Momenta Pharmaceuticals, Inc. v. Teva Pharmaceuticals USA Inc. ( 2015 )


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  •   United States Court of Appeals
    for the Federal Circuit
    ______________________
    MOMENTA PHARMACEUTICALS, INC.,
    SANDOZ INC.,
    Plaintiffs-Appellants
    v.
    TEVA PHARMACEUTICALS USA INC.,
    Defendant-Appellee
    ______________________
    2014-1274, 2014-1277
    ______________________
    Appeals from the United States District Court for the
    District of Massachusetts in No. 1:10-cv-12079-NMG,
    Judge Nathaniel M. Gorton.
    ------------------------------------------------------------------
    MOMENTA PHARMACEUTICALS, INC.,
    SANDOZ INC.,
    Plaintiffs-Appellants
    v.
    AMPHASTAR PHARMACEUTICALS, INC.,
    INTERNATIONAL MEDICATION SYSTEMS, LTD.,
    ACTAVIS, INC., ACTAVIS PHARMA, INC., FKA WATSON
    PHARMA, INC.,
    Defendants-Appellees
    2                      MOMENTA PHARM., INC.   v. TEVA PHARM., INC.
    ______________________
    2014-1276, 2014-1278
    ______________________
    Appeals from the United States District Court for the
    District of Massachusetts in No. 1:11-cv-11681-NMG,
    Judge Nathaniel M. Gorton.
    ______________________
    Decided: November 10, 2015
    ______________________
    DEANNE MAYNARD, Morrison & Foerster LLP, Washing-
    ton, DC, argued for plaintiffs-appellants. Also represented by
    BRIAN ROBERT MATSUI, MARC A. HEARRON. Plaintiff-
    appellant Momenta Pharmaceuticals, Inc. also represent-
    ed by ROBERT S. FRANK, JR., DANIEL C. WINSTON, Choate,
    Hall & Stewart LLP, Boston, MA. Plaintiff-appellant Sandoz
    Inc. also represented by THOMAS P. STEINDLER, McDermott,
    Will & Emery LLP, Washington, DC.
    HENRY C. DINGER, Goodwin Procter LLP, Boston, MA ar-
    gued for defendant-appellee Teva Pharmaceuticals USA Inc.
    Also represented by JAMES C. REHNQUIST, EMILY L.
    RAPALINO, ELAINE BLAIS, ROBERT FREDERICKSON, III;
    DAVID M. HASHMALL, JOSHUA AARON WHITEHILL, New
    York, NY.
    PRATIK A. SHAH, Akin, Gump, Strauss, Hauer & Feld,
    LLP, Washington, DC, argued for defendants-appellees Am-
    phastar Pharmaceuticals, Inc., et al. Also represented by
    EMILY CURTIS JOHNSON, ANTHONY TOBIAS PIERCE, JAMES
    EDWARD TYSSE.
    MARK R. FREEMAN, Appellate Staff, Civil Division, United
    States Department of Justice, Washington, DC, for amicus
    curiae United States. Also represented by CAROLINE D.
    MOMENTA PHARM., INC.   v. TEVA PHARM., INC.                3
    LOPEZ, BENJAMIN C. MIZER; DAVID J. HOROWITZ,
    ELIZABETH H. DICKINSON, ANNAMARIE KEMPIC, WENDY
    VICENTE, Office of the General Counsel, Food and Drug
    Division, United States Department of Health and Human
    Services, Silver Spring, MD; THOMAS W. KRAUSE, SCOTT C.
    WEIDENFELLER, FARHEENA YASMEEN RASHEED, WILLIAM
    LAMARCA, Office of the Solicitor, United States Patent and
    Trademark Office, Alexandria, VA.
    ______________________
    Before DYK, MOORE, and WALLACH, Circuit Judges.
    Opinion for the court filed by Circuit Judge WALLACH.
    Opinion concurring in part and dissenting in part filed by
    Circuit Judge DYK.
    WALLACH, Circuit Judge.
    Plaintiffs-appellants Momenta Pharmaceuticals, Inc.
    and Sandoz Inc. (collectively, “Momenta”) appeal the
    district court’s decision finding Teva Pharmaceuticals
    USA Inc. (“Teva”) does not infringe U.S. Patent No.
    7,575,886 (“the ’886 patent”). In a companion case, Mo-
    menta appeals the district court’s decision finding Am-
    phastar Pharmaceuticals, Inc., International Medication
    Systems, Ltd., Actavis, Inc., and Actavis Pharma, Inc.
    (collectively, “Amphastar”) do not infringe the ’886 patent.
    For the reasons set forth below, this court affirms the
    district court’s holdings that neither Teva nor Amphastar
    infringes under 35 U.S.C. § 271(g) (2012). However, this
    court vacates the district court’s grant of summary judg-
    ment in favor of Amphastar to the extent it was based on
    the erroneous determination that Amphastar’s activities
    fall within the § 271(e)(1) safe harbor and therefore do not
    infringe under 35 U.S.C. § 271(a). We accordingly re-
    mand as to Amphastar for further proceedings consistent
    with this opinion.
    4                     MOMENTA PHARM., INC.   v. TEVA PHARM., INC.
    BACKGROUND
    Enoxaparin is an anticoagulant that helps to prevent
    blood clots that was first approved for marketing in the
    United States in 1993 under the trade name Lovenox. In
    2010, Momenta became the first company to market a
    generic version of enoxaparin. Momenta is also the
    assignee of the ’886 patent, which is directed to a process
    used to ensure each batch of generic enoxaparin meets
    certain quality standards.
    Teva, another generic manufacturer, sought to enter
    the enoxaparin market. It does not manufacture enoxap-
    arin itself, but sources the product from Chemi S.p.A., an
    Italian company that manufactures, analyzes, tests,
    packages, and labels Teva’s generic version of enoxaparin,
    which Teva then imports into the United States. Momen-
    ta sued Teva for infringement of the ’886 patent on the
    grounds it intended to market in the United States an
    enoxaparin product that was manufactured using a
    process covered by the ’886 patent.
    The district court found Teva’s conduct did not in-
    fringe because it fell within the safe harbor from in-
    fringement provided by 35 U.S.C. § 271(e)(1), which states
    it is not infringement for a party to use a patented inven-
    tion “solely for uses reasonably related to the development
    and submission of information under a Federal law which
    regulates the manufacture, use, or sale of drugs.” 35
    U.S.C. § 271(e)(1). 1 The district court also rejected Mo-
    menta’s contention that Teva’s sales in the United States
    constitute infringement under § 271(g), which prohibits
    selling “within the United States a product which is made
    by a process patented in the United States.” 
    Id. § 271(g)
    1  Section 271(e)(1) was not amended by the Leahy-
    Smith America Invents Act, Pub. L. No. 112-29, 125 Stat.
    284 (2011).
    MOMENTA PHARM., INC.   v. TEVA PHARM., INC.                 5
    (emphasis added). The district court reasoned that the
    patented process related to “quality control release test-
    ing” and was “not a method of making enoxaparin.” J.A.
    (-1274, -1277) 7.
    Amphastar is also a generic manufacturer of enoxapa-
    rin. Unlike Teva, however, Amphastar manufactures its
    enoxaparin product within the United States. Momenta
    asserts the district court erred in granting summary
    judgment of non-infringement of the ’886 patent in favor
    of Amphastar. According to Momenta, Amphastar’s use of
    the patented method in the United States as part of the
    manufacture of enoxaparin infringes the ’886 patent, and
    this infringement does not fall within the safe harbor of
    35 U.S.C. § 271(e)(1). It further argues Amphastar’s sale
    of enoxaparin in the United States infringes under 35
    U.S.C. § 271(g).
    In a prior appeal by Amphastar at the preliminary in-
    junction phase, this court held that it was “unlikely that
    Momenta will succeed on the merits of its infringement
    claim.” Momenta Pharm., Inc. v. Amphastar Pharm., Inc.
    (Momenta I), 
    686 F.3d 1348
    , 1361 (Fed. Cir. 2012). On
    remand from Momenta I, the district court found “[Am-
    phastar’s] activities are . . . protected by the safe harbor”
    of § 271(e)(1), which decision forms the basis of the pre-
    sent appeal. J.A. (-1276, -1278) 9.
    Momenta appeals the district court’s grants of sum-
    mary judgment in favor of Teva and Amphastar. This
    court has jurisdiction under 28 U.S.C. § 1295(a) (2012). 2
    2   We invited the United States to present its views
    as amicus curiae on the statutory interpretation issues
    raised in these cases. In response, the government ar-
    gued that the routine use of a patented testing process in
    the commercial manufacture of a drug is not “reasonably
    related to the development and submission of information
    6                       MOMENTA PHARM., INC.   v. TEVA PHARM., INC.
    DISCUSSION
    I. Standard of Review
    This court reviews summary judgment decisions un-
    der the law of the regional circuit. MicroStrategy Inc. v.
    Bus. Objects, S.A., 
    429 F.3d 1344
    , 1349 (Fed. Cir. 2005).
    The First Circuit reviews such decisions de novo. Ad-
    amson v. Walgreens Co., 
    750 F.3d 73
    , 78 (1st Cir. 2014).
    II. Teva’s and Amphastar’s Enoxaparin Products Are Not
    “Made By” Momenta’s Patented Process 3
    Section 271(g) prohibits the unauthorized importation
    into the United States, or sale or use within the United
    States, of a “product which is made by a process patented
    in the United States.” 35 U.S.C. § 271(g) (emphasis
    added). A key issue on appeal is therefore whether Teva’s
    and Amphastar’s enoxaparin products are “made by”
    to [the] FDA” and thus not shielded from liability by
    § 271(e)(1). Brief for the United States as Amicus Curiae
    8 (internal quotation marks omitted).
    3  Momenta argues “Amphastar’s sales activity sep-
    arately infringes under Section 271(g), which makes it an
    act of infringement to ‘offer[] to sell’ or ‘sell[] . . . within
    the United States a product which is made by a process
    patented in the United States.’” Appellants’ Br. (14-1276,
    14-1278) 53 (quoting 35 U.S.C. § 271(g)). Amphastar
    replies that its manufacturing occurs within the United
    States, and therefore “[§] 271(g) does not apply for the
    independent reason that Amphastar does not manufac-
    ture enoxaparin abroad.” Appellees’ Br. (14-1276, 14-
    1278) 50. Because we hold the accused products are not
    “made by” the patented process within the meaning of
    § 271(g), we do not reach the question of whether that
    subsection applies if the patented process is practiced
    domestically rather than abroad.
    MOMENTA PHARM., INC.   v. TEVA PHARM., INC.                7
    Momenta’s patented process within the meaning of
    § 271(g). We conclude they are not.
    Momenta argues that “made” means “manufactured,”
    and that its patented method is “a crucial interim step
    used directly in the manufacture of [Teva’s] product[s].”
    Appellants’ Br. (-1274, -1277) 59 (internal quotation
    marks and citation omitted); see also Appellants’ Br.
    (-1276, -1278) 54 (“Amphastar uses Momenta’s method as
    an intermediate step in the multi-step process of manu-
    facturing its drug.”). Specifically, Momenta asserts its
    “method is used [by Teva] to select and separate batches
    of intermediate drug substance that conform to [United
    States Pharmacopoeial Convention] requirements for
    enoxaparin from batches that do not,” and that selected
    batches are then “further process[ed].” Appellants’ Br.
    (-1274, -1277) 59, 62; see also Appellants’ Br.
    (-1276, -1278) 54 (“Amphastar uses Momenta’s method . . .
    to select the individual batches of interim enoxaparin
    preparation it will further process into final drug prod-
    uct.”). Momenta also notes “[t]he [U.S. Food and Drug
    Administration’s (‘FDA’)] Good Manufacturing Practice
    [‘GMP’] regulations define ‘[m]anufacture’ and ‘processing’
    of drug products as including ‘testing[] and quality control
    of drug products.’” Appellants’ Br. (-1274, -1277) 59
    (quoting 21 C.F.R. § 210.3(b)(12)); see also Appellants’ Br.
    (-1276, -1278) 54.
    Although Momenta’s arguments are not without mer-
    it, it is more consonant with the language of the statute,
    as well as with this court’s precedent, to limit § 271(g) to
    the actual “ma[king]” of a product, rather than extend its
    reach to methods of testing a final product or intermedi-
    ate substance to ensure that the intended product or
    substance has in fact been made. See 35 U.S.C. § 271(g)
    (“made by”). “In patent law, as in all statutory construc-
    tion, [u]nless otherwise defined, words will be interpreted
    as taking their ordinary, contemporary, common mean-
    ing.” Bilski v. Kappos, 
    561 U.S. 593
    , 603 (2010) (altera-
    8                     MOMENTA PHARM., INC.   v. TEVA PHARM., INC.
    tion in original) (internal quotation marks and citations
    omitted). Dictionaries define the verb forms of “make” to
    involve the creation or bringing into existence of some-
    thing. See, e.g., Make, Webster’s Third New International
    Dictionary of the English Language Unabridged (Philip
    Babcock Gove et al. eds., 1986) (“Webster’s”) (“to bring (a
    material thing) into being by forming, shaping, or altering
    material : FASHION, MANUFACTURE”); Make, The American
    Heritage Dictionary (2d college ed. 1982) (“The American
    Heritage Dictionary”) (“To cause to exist or happen;
    create;” “To bring into existence by forming or modifying
    materials;” “To create by putting together component
    parts”); see also Make, Black’s Law Dictionary (10th ed.
    2014) (“To cause (something) to exist”).
    This court has previously equated the word “made” in
    § 271(g) with “manufacture.” Bayer AG v. Housey Pharm.,
    Inc., 
    340 F.3d 1367
    , 1373 (Fed. Cir. 2003) (“[T]he statute
    clearly contemplates that ‘made’ means ‘manufactured.’”).
    As with the word “make,” dictionaries define the verb
    form of “manufacture” to involve the creation or bringing
    into existence of something. See, e.g., Manufacture,
    Webster’s (“to make (as raw material) into a product
    suitable for use”); Manufacture, The American Heritage
    Dictionary (“To make or process (a raw material) into a
    finished product”). In American Fruit Growers, Inc. v.
    Brogdex Co., the Supreme Court quoted with approval the
    definition of “manufacture” provided in the Century
    Dictionary, namely, “giving [raw or prepared materials]
    new . . . qualities [or] properties.” 
    283 U.S. 1
    , 11 (1931)
    (emphases added).
    In light of the foregoing, the ordinary meaning of
    “made” as used in § 271(g) means “manufacture,” and
    extends to the creation or transformation of a product,
    such as by synthesizing, combining components, or giving
    raw materials new properties. However, “ma[king]” does
    not extend to testing to determine whether an already-
    synthesized drug substance possesses existing qualities or
    MOMENTA PHARM., INC.   v. TEVA PHARM., INC.                 9
    properties. See Phillip M. Adams & Assocs., LLC v. Dell
    Comput. Corp., 519 F. App’x 998, 1005 (Fed. Cir. 2013)
    (unpublished) (“[E]ven assuming the certification testing
    constituted infringement . . . , the motherboards were not
    ‘made by’ the certification testing pursuant to 35 U.S.C.
    § 271(g).”); see also Momenta Pharm., Inc. v. Teva Pharm.
    USA, Inc., No. 10-cv-12079-NMG, at 7 (D. Mass. July 19,
    2013) (J.A. 1–9) (“[W]hile . . . quality control release
    testing is a regulatory requirement for sale of enoxaparin
    in the United States, it is not a method for making
    enoxaparin [within the meaning of § 271(g)].”); Shara-
    fabadi v. Univ. of Idaho, No. C09-1043JLR, 
    2009 WL 4432367
    , at *1, *5 (W.D. Wash. Nov. 27, 2009) (finding
    the plaintiff failed to state a claim under § 271(g) when he
    alleged the defendant used the patented process “[d]uring
    various stages of productions and processing of IdaGold
    yellow mustard seeds . . . to produce [sufficient mustard
    gum] for measuring its viscosity as a means to ensure the
    quality characteristics of the . . . seeds”); David L. Hitch-
    cock & Craig Allen Nard, The Process Patent Amendments
    Act: The Labyrinth, 3 Fordham Ent. Media & Intell. Prop.
    L.F. 441, 446 (1993) (“[I]t follows from the terms of the
    [Process Patent Amendments Act of 1988]” that products
    subjected to a patented method of quality control are
    “not . . . worthy of . . . protection” under § 271(g).).
    The samples of enoxaparin that are the subject of test-
    ing are “exhaustively digest[ed]” into “sub-chains” and the
    sub-chains are then separated.             Appellants’ Br.
    (-1274, -1277) 9. Based on the test performed on this
    sample, an enoxaparin batch from which the samples
    were extracted may be selected for incorporation into the
    finished product. No assertion is made, however, that the
    enoxaparin samples on which tests are performed are
    themselves incorporated into the finished product or
    10                     MOMENTA PHARM., INC.   v. TEVA PHARM., INC.
    imported into the United States, 4 nor do the tests create
    or give new properties to the enoxaparin substance in
    batches that are selected for further processing.
    Our conclusion finds support in this court’s precedent.
    In Housey, we held a product was not “made by” a process
    patented in the United States for purposes of § 271(g)
    where “the patented process [was] not used in the actual
    synthesis of the drug 
    product.” 340 F.3d at 1377
    (empha-
    sis added). Housey involved patents directed to “a method
    of screening for substances which specifically inhibit or
    4   The dissent asserts this was also true in Bio-
    Technology General Corp. v. Genentech, Inc., which in-
    volved a patent “directed to a method for constructing a
    replicable cloning vehicle (e.g., a plasmid)” that could be
    introduced into a microbial organism to enable it to
    produce human growth hormone. 
    80 F.3d 1553
    , 1557
    (Fed. Cir. 1996).       The analogy fails.        Unlike Bio-
    Technology General, where the patented process created a
    tangible product used directly in the manufacture of a
    final polypeptide product (e.g., human growth hormone),
    the patented process in the present matter creates only
    information; it does not create enoxaparin samples that
    are used in subsequent steps of the manufacturing pro-
    cess. In any event, Bio-Technology General differs from
    the present matter because the legislative history of
    § 271(g) explicitly states that a polypeptide is “made by” a
    patented process, within the meaning of § 271(g), where
    the patented process is used to produce a DNA molecule
    that is incorporated into a plasmid and that plasmid is
    inserted into a host organism to produce the polypeptide.
    See 
    id. at 1561
    (quoting at length S. Rep. No. 100-83, at
    51 (1987)); see also 
    id. (“The legislative
    history precisely
    anticipated this fact situation . . . .”). The dissent cites no
    legislative history supporting the extension of § 271(g) to
    quality control methods.
    MOMENTA PHARM., INC.   v. TEVA PHARM., INC.                11
    activate a particular protein.” 
    Id. at 1369
    (internal quota-
    tion marks and citation omitted). The screening method
    enabled the identification of a particular drug as “useful,”
    which drug could then be manufactured. 
    Id. at 1377.
    The
    court determined the process was too far removed from
    the actual making of the product. 
    Id. at 1378
    (“[T]he
    process must be used directly in the manufacture of the
    product, and not merely as a predicate process to identify
    the product to be manufactured.”).
    Similarly, a product is not “made by” a patented pro-
    cess within the meaning of § 271(g) if it is used merely to
    determine whether the intended product of a separate
    and perhaps separately-patented process has in fact
    already been manufactured. Compare 
    Housey, 340 F.3d at 1377
    (“[P]rocesses of identification and generation of
    data are not steps in the manufacture of a final drug
    product.” (emphasis added) (internal quotation marks and
    citation omitted)), with Dissent at 8 (“after the identity of
    the drug substance is confirmed” (emphasis added)); see
    also 
    Housey, 340 F.3d at 1378
    (“A drug product, the
    characteristics of which were studied using the claimed
    research processes . . . is not a product ‘made by’ those
    claimed processes.”). All of the asserted claims of the ’886
    patent are directed to “[a] method for analyzing an
    enoxaparin sample.” See, e.g., ’886 patent col. 63 l. 51, col.
    64 ll. 10, 35, 58 (emphasis added). Use of the word “ana-
    lyzing” indicates practicing the claimed invention requires
    that the enoxaparin already be “made.”
    It is true the FDA’s GMP regulations “define
    ‘[m]anufacture’ and ‘processing’ of drug products as in-
    cluding ‘testing[] and quality control,’” as Momenta as-
    serts. Appellants’ Br. (-1274, -1277) 59 (quoting 21 C.F.R.
    § 210.3(b)(12)). However, § 210.3 explicitly states that its
    definitions apply when the terms are used in parts 210,
    211, 225, and 226 of Chapter 1 of Title 21 (“Food and
    Drugs”) of the Code of Federal Regulations. 21 C.F.R.
    § 210.3(a). They do not control the interpretation of 35
    12                    MOMENTA PHARM., INC.   v. TEVA PHARM., INC.
    U.S.C. § 271(g), which is part of a separate statutory
    scheme directed to patented inventions. See Davis v.
    Mich. Dep’t of Treasury, 
    489 U.S. 803
    , 809 (1989) (“It is a
    fundamental canon of statutory construction that the
    words of a statute must be read in their context and with
    a view to their place in the overall statutory scheme.”).
    This is not a case where the FDA has interpreted § 271(g)
    or Chevron deference is owed. See Chevron U.S.A. Inc. v.
    Nat. Res. Def. Council, Inc., 
    467 U.S. 837
    , 844 (1984)
    (“[C]onsiderable weight should be accorded to an execu-
    tive department’s construction of a statutory scheme it is
    entrusted to administer.” (emphasis added)). The ordinary
    meaning of the term “made by”—rather than an FDA
    definition of “manufacture” crafted for purposes unrelated
    to incentivizing invention—therefore controls. 5
    For these reasons, Teva’s and Amphastar’s enoxapa-
    rin products are not “made by” Momenta’s patented
    process for purposes of § 271(g). Because Momenta’s
    infringement claims against Teva are based on § 271(g),
    the district court’s grant of summary judgment in favor of
    Teva is affirmed.
    5  The dissent expresses concern that our holding
    could exclude purification processes from the scope of
    § 271(g). Dissent at 9. Although the application of
    § 271(g) to a particular purification process may be fact-
    dependent, as a general matter purification processes
    transform impure substances into more pure ones. Purifi-
    cation therefore contrasts with the quality control process
    at issue in the present case, which provides information
    regarding a substance that has already been made but
    does not transform it.
    MOMENTA PHARM., INC.   v. TEVA PHARM., INC.                 13
    III. The § 271(e)(1) Safe Harbor Does Not Shield the
    Accused Use by Amphastar
    Unlike Teva, Amphastar does not assert it manufac-
    tures its enoxaparin product abroad. Momenta argues
    Amphastar’s use of the patented method within the
    United States infringes under 35 U.S.C. § 271(a) and is
    not protected by the § 271(e)(1) safe harbor.
    Section 271(e)(1) provides that it is not infringement
    for a party to use a patented invention “solely for uses
    reasonably related to the development and submission of
    information under a Federal law which regulates the
    manufacture, use, or sale of drugs.” 35 U.S.C. § 271(e)(1).
    “Though the contours of [§ 271(e)(1)] are not exact in
    every respect,” Merck KGaA v. Integra Lifesciences I, Ltd.,
    
    545 U.S. 193
    , 202 (2005), “[t]here is no dispute as to the
    statutory purpose,” namely, “to facilitate market entry
    upon patent expiration,” Classen Immunotherapies, Inc. v.
    Biogen IDEC, 
    659 F.3d 1057
    , 1072 (Fed. Cir. 2011). The
    legislative history makes this purpose clear:
    [Section 271(e)(1)] provides that it is not an act of
    patent infringement for a generic drug maker to
    import or to test a patented drug in preparation
    for seeking FDA approval if marketing of the drug
    would occur after expiration of the patent. . . .
    This section does not permit the commercial sale
    of a patented drug by the party using the drug to
    develop such information . . . . The information
    which can be developed under this provision is the
    type which is required to obtain approval of the
    drug. . . . The purpose of sections 271(e)(1) and (2)
    is to establish that experimentation with a patent-
    ed drug product, when the purpose is to prepare
    for commercial activity which will begin after a
    valid patent expires, is not a patent infringement.
    14                     MOMENTA PHARM., INC.   v. TEVA PHARM., INC.
    H.R. Rep. No. 98–857(I), at 15, 45 (1984), as reprinted in
    1984 U.S.C.C.A.N. 2647, 2648 (emphasis added) (capitali-
    zation omitted).
    The language of § 271(e)(1) is “sufficiently broad” to
    “leave[] adequate space for experimentation and failure
    on the road to regulatory approval.” 
    Merck, 545 U.S. at 206
    –07. The breadth of the exemption extends even to
    activities the “actual purpose” of which may be “pro-
    mot[ional]” rather than regulatory, at least where those
    activities are “consistent with the collection of data neces-
    sary for filing an application with the [FDA] . . . for ap-
    proval.” AbTox, Inc. v. Exitron Corp., 
    122 F.3d 1019
    , 1027
    (Fed. Cir. 1997). Moreover, notwithstanding the legisla-
    tive focus on activities occurring prior to the approval of
    generic drugs, the § 271(e)(1) exemption applies to medi-
    cal devices, Eli Lilly & Co. v. Medtronic, Inc., 
    496 U.S. 661
    (1990), and “is not restricted to pre-approval activities,”
    Momenta 
    I, 686 F.3d at 1358
    –59. Section 271(e)(1) thus
    “provides a wide berth for the use of patented drugs in
    activities related to the federal regulatory process.”
    
    Merck, 545 U.S. at 202
    .
    Despite the broad contours of the exemption, some ac-
    tivities are outside its protection.        For example,
    § 271(e)(1) “does not apply to information that may be
    routinely reported to the FDA, long after marketing
    approval has been obtained.” 
    Classen, 659 F.3d at 1070
    .
    In addition, research tools or devices that are not them-
    selves subject to FDA approval may not be covered.
    Proveris Sci. Corp. v. Innovasystems, Inc., 
    536 F.3d 1256
    ,
    1265–66 (Fed. Cir. 2008).
    We preliminarily addressed the issue of Amphastar’s
    eligibility for the § 271(e)(1) safe harbor in Momenta I,
    holding that, in light of the safe harbor and for purposes
    of granting a preliminary injunction, “the district court
    incorrectly concluded that Momenta was likely to succeed
    on the merits of its infringement claim.” Momenta I, 686
    MOMENTA PHARM., INC.   v. TEVA PHARM., 
    INC. 15 F.3d at 1352
    . Amphastar argues this court in Momenta I
    “already decided that Amphastar’s safety testing is pro-
    tected by the Section 271(e)(1) safe harbor” and that this
    determination is law of the case.          Appellees’ Br.
    (-1276, -1278) 24.
    According to the law of the case doctrine, “[a] court
    will not generally revisit an issue once decided in the
    litigation.” Mendenhall v. Barber-Greene Co., 
    26 F.3d 1573
    , 1582 (Fed. Cir. 1994). However, whether to apply
    law of the case doctrine is “a matter which rests on discre-
    tion.” 
    Id. at 1583.
    “Although courts are often eager to
    avoid reconsideration of questions once decided in the
    same proceedings, it is clear that all federal courts retain
    power to reconsider if they wish.” Hughes Aircraft Co. v.
    United States, 
    86 F.3d 1566
    , 1581 (Fed. Cir. 1996) (inter-
    nal quotation marks and citation omitted), vacated on
    other grounds, United States v. Hughes Aircraft Co., 
    520 U.S. 1183
    (1997).
    For the doctrine to apply, the issue must have actual-
    ly been decided. Findings of fact and fact-intensive con-
    clusions of law made by a court in the preliminary
    injunction context are not binding. See generally Belgium
    v. United States, 
    452 F.3d 1289
    , 1294 (Fed. Cir. 2006)
    (“On review of the denial of a preliminary injunction, our
    judgment as to the merits of the plaintiff’s case is neces-
    sarily tentative.”); Glaxo Grp. Ltd. v. Apotex, Inc., 
    376 F.3d 1339
    , 1346 (Fed. Cir. 2004) (“An appellate court’s
    preliminary injunction opinion . . . is not binding on a
    subsequent panel.”); see also Univ. of Tex. v. Camenisch,
    
    451 U.S. 390
    , 395 (1981) (“[T]he findings of fact and
    conclusions of law made by a court granting a preliminary
    injunction are not binding at trial on the merits.”); Indus.
    Bank of Wash. v. Tobriner, 
    405 F.2d 1321
    , 1324 (D.C. Cir.
    1968) (“In reviewing [a preliminary injunction] determi-
    nation, this court ordinarily will not consider the merits of
    the case further than necessary to determine whether the
    District Court abused its discretion.” (internal quotation
    16                    MOMENTA PHARM., INC.   v. TEVA PHARM., INC.
    marks and citation omitted)). Because Momenta is not
    seeking to relitigate an issue that was already conclusive-
    ly decided in Momenta I, law of the case does not apply.
    Moreover, “it is not improper for a court to depart
    from a prior holding if convinced that it is clearly errone-
    ous and would work a manifest injustice.” Arizona v.
    California, 
    460 U.S. 605
    , 618 n.8 (1983); see also Bard
    Peripheral Vascular, Inc. v. W.L. Gore & Assocs., Inc., 
    776 F.3d 837
    , 842 (Fed. Cir. 2015) (“[T]here are exceptional
    circumstances in which a panel may not adhere to the
    decision in a prior appeal in the same case,” such as
    when “the earlier ruling was clearly erroneous and would
    work a manifest injustice.”). The court in Momenta I
    described Amphastar’s submissions as “anything but
    
    ‘routine,’” 686 F.3d at 1358
    , a reference to Classen’s
    statement that § 271(e)(1) “does not apply to information
    that may be routinely reported to the FDA, long after
    marketing approval has been 
    obtained,” 659 F.3d at 1070
    (emphasis added). With the benefit of additional briefing
    in the current appeals, which reflects the full district
    court record developed by all parties after the preliminary
    injunction phase, we conclude Amphastar’s submissions
    are appropriately characterized as “routine.”
    Webster’s defines the adjective form of “routine” as “of
    a commonplace or repetitious character.” Routine, Web-
    ster’s. The American Heritage Dictionary similarly offers
    a definition of “routine” as “[h]abitual; regular.” Routine,
    The American Heritage Dictionary. These definitions
    aptly describe the patented quality control method.
    “[T]he ’886 patent . . . is directed at a set of manufactur-
    ing control processes that ensure that each batch of gener-
    ic enoxaparin” meets quality standards.            See J.A.
    (-1276, -1278) 2 (emphasis added). The information
    generated as each batch of drug substance is tested is
    routinely (i.e., habitually, regularly, and repeatedly)
    recorded and retained as required by regulation. See 21
    C.F.R. §§ 211.165, .180, .186, .188, .194 (2015).
    MOMENTA PHARM., INC.   v. TEVA PHARM., INC.               17
    The routine record retention requirements associated
    with testing and other aspects of the commercial produc-
    tion process contrast with non-routine submissions that
    may occur both pre- and post-approval, such as the sub-
    mission of investigational new drug applications (“INDs”),
    new drug applications (“NDAs”), supplemental NDAs, or
    other post-approval research results. See, e.g., 21 U.S.C.
    § 356b (“Reports of postmarketing studies”); 
    id. § 355c(b)(1)
    (post-approval pediatric data submissions);
    
    id. § 355(e)
    (withdrawal of drug approval based upon “new
    information”); 
    id. § 355(o)(4)
    (labeling changes based upon
    new safety information); 
    id. § 355-1
    (“Risk evaluation and
    mitigation strategies”). The routine quality control test-
    ing of each batch of generic enoxaparin as part of the post-
    approval, commercial production process is therefore not
    “reasonably related to the development and submission of
    information” to the FDA, and it was clearly erroneous to
    conclude otherwise.
    Amphastar cites AbTox in support of its argument
    that “as long as Amphastar’s safety testing is for a use
    reasonably related to the development and submission of
    information to the FDA,” whether the use is part of com-
    mercial production makes no difference. Appellees’ Br.
    (-1276, -1278) 42 (citing 
    AbTox, 122 F.3d at 1030
    ). How-
    ever, AbTox stated “[a]s long as [an] activity is reasonably
    related to obtaining FDA approval,” § 271(e)(1) “does not
    look to the underlying purposes or attendant consequenc-
    es of the 
    activity.” 122 F.3d at 1030
    (emphasis added).
    Here, Amphastar makes no claim that its accused, post-
    approval use of the patented method is related to obtain-
    ing FDA approval. Although Momenta I held that “post-
    approval studies” can fall within the § 271(e)(1) safe
    
    harbor, 686 F.3d at 1359
    , whether such uses are “reason-
    ably related” to a § 271(e)(1) “submission” requires more
    critical analysis in the post-approval context.
    The conclusion in Momenta I that Amphastar’s com-
    mercial use of Momenta’s patented method falls within
    18                     MOMENTA PHARM., INC.   v. TEVA PHARM., INC.
    the safe harbor of § 271(e)(1) would result in manifest
    injustice. Amphastar points to no case, until Momenta I,
    extending immunity under § 271(e)(1) to encompass
    activities related to ongoing commercial manufacture and
    sale. See, e.g., 
    Merck, 545 U.S. at 208
    (Preclinical re-
    search falls within the § 271(e)(1) safe harbor “as long as
    there is a reasonable basis for believing that the experi-
    ments will produce the types of information that are
    relevant to an IND or NDA.” (internal quotation marks
    and citation omitted)); Eli 
    Lilly, 496 U.S. at 663
    –64
    (Section 271(e)(1) exempts activities “necessary to obtain
    marketing approval for a medical device.” (emphasis
    added)); 
    Classen, 659 F.3d at 1070
    (“[Section] 271(e)(1)
    provides an exception to the law of infringement in order
    to expedite development of information for regulatory
    approval of generic counterparts of patented products.”
    (emphasis added)); 
    AbTox, 122 F.3d at 1027
    (Section
    271(e)(1) applies where “[defendants] conducted limited
    tests consistent with the collection of data necessary for
    filing an application with the [FDA] . . . for approval of its
    Class II medical device.” (emphasis added)); see also H.R.
    Rep. No. 98–857, pt. 2, at 30 (1984), as reprinted in 1984
    U.S.C.C.A.N. 2686, 2714 (Under § 271(e)(1) “the generic
    manufacturer is not permitted to market the patented
    drug product during the life of the patent; all that the
    generic can do is test the drug for purposes of submitting
    data to the FDA for approval.” (emphasis added) (capitali-
    zation omitted)). 6
    6  See also Telectronics Pacing Sys., Inc. v. Ventritex,
    Inc., 
    982 F.2d 1520
    , 1523 (Fed. Cir. 1992) (The display of
    accused devices to non-physicians at medical conferences,
    where no sales were solicited, is “merely incidental” to the
    undisputed purpose of the display—“obtain[ing] clinical
    investigators for [pre-approval] trials”—and does not
    preclude application of the § 271(e)(1) exemption); Char-
    MOMENTA PHARM., INC.   v. TEVA PHARM., INC.                19
    IV. Momenta’s Motion to Amend
    Momenta served amended infringement contentions
    that accused two additional Amphastar testing proce-
    dures and sought to provide additional documentary
    support for the new infringement contentions. Thereaf-
    ter, Momenta moved for leave from the district court to
    file the amendments. J.A. (-1276, -1278) 11. The district
    court denied leave, noting Momenta had “failed to seek
    leave prior to serving [the amendments] as required by
    the [district court’s] scheduling order,” and that the
    amendments would in any event be “futile.”              J.A.
    (-1276, -1278) 11–12. The district court’s decision to deny
    leave was based in part on its conclusion that its “sum-
    mary judgment holding that the [§] 271(e)(1) safe harbor
    provision applies to the 15–25% procedures also applies
    to” one of the two additional accused testing procedures.
    J.A. (-1276, -1278) 12.
    Decisions whether to allow an amendment to plead-
    ings after the scheduling order deadline are reviewed
    under the law of the regional circuit. Aventis Pharma
    S.A. v. Hospira, Inc., 
    675 F.3d 1324
    , 1333 (Fed. Cir. 2012).
    In the First Circuit, a district court’s decision whether to
    allow an amendment to pleadings after the scheduling
    order deadline is reviewed for abuse of discretion.
    O’Connell v. Hyatt Hotels of P.R., 
    357 F.3d 152
    , 154–55
    trex Int’l PLC v. M.D. Pers. Prods. Corp., 
    5 F.3d 1505
    ,
    
    1993 WL 306169
    , at *2 (Fed. Cir. 1993) (unpublished
    table decision) (Devices “made for FDA approval” do not
    forfeit their § 271(e)(1) exemption “when used in other
    noninfringing manners.”); Intermedics, Inc. v. Ventritex
    Co., 
    991 F.2d 808
    , 
    1993 WL 87405
    , at *2 (Fed. Cir. 1993)
    (unpublished table decision) (“All of [the defendant’s]
    activities providing clinical units of the [accused device] to
    its researcher in Germany were solely reasonably related
    to generating data for FDA approval.”).
    20                     MOMENTA PHARM., INC.   v. TEVA PHARM., INC.
    (1st Cir. 2004). Given our vacation of summary judgment
    on the reach of § 271(e)(1), the district court may choose to
    reconsider on remand its denial of leave in light of our
    holding.
    CONCLUSION
    For these reasons, the decision of the district court
    granting summary judgment to Teva is AFFIRMED and
    the decision of the district court granting summary judg-
    ment to Amphastar is
    AFFIRMED-IN-PART, VACATED-IN-PART, AND
    REMANDED
    COSTS
    Each party in the Amphastar litigation shall bear its
    own costs.
    United States Court of Appeals
    for the Federal Circuit
    ______________________
    MOMENTA PHARMACEUTICALS, INC.,
    SANDOZ INC.,
    Plaintiffs-Appellants
    v.
    TEVA PHARMACEUTICALS USA, INC.,
    Defendant-Appellee
    ______________________
    2014-1274, 2014-1277
    ______________________
    Appeals from the United States District Court for the
    District of Massachusetts in No. 1:10-cv-12079-NMG,
    Judge Nathaniel M. Gorton.
    ------------------------------------------------------------------
    MOMENTA PHARMACEUTICALS, INC.,
    SANDOZ INC.,
    Plaintiffs-Appellants
    v.
    AMPHASTAR PHARMACEUTICALS, INC.,
    INTERNATIONAL MEDICATION SYSTEMS, LTD.,
    ACTAVIS, INC., ACTAVIS PHARMA, INC., FKA
    WATSON PHARMA, INC.,
    Defendants-Appellees
    ______________________
    2                 MOMENTA PHARM., INC.   v. TEVA PHARM., INC.
    2014-1276, 2014-1278
    ______________________
    Appeals from the United States District Court for the
    District of Massachusetts in No. 1:11-cv-11681-NMG,
    Judge Nathaniel M. Gorton.
    ______________________
    DYK, Circuit Judge, concurring in part and dissenting in
    part.
    While I join the majority opinion insofar as it holds
    that the 35 U.S.C. § 271(e)(1) safe harbor does not im-
    munize Amphastar’s accused use of the ’886 patent in its
    manufacturing process, I respectfully dissent from the
    majority’s holding that Teva does not infringe the ’886
    patent under 35 U.S.C. § 271(g). 1 The majority reasons
    1     The majority also determined that Amphastar
    does not infringe under § 271(g). This has little practical
    consequence since the majority holds that the § 271(e)(1)
    safe harbor does not shield Amphastar from liability
    under § 271(a).
    However, the parties dispute whether § 271(g) can
    apply to products made in the United States. While the
    primary purpose of § 271(g) was to impose infringement
    liability for products shipped to the United States but
    made abroad by a United States patented process, the
    plain language of § 271(g) admits of no such geographic
    limitation. And the legislative history is clear that
    § 271(g) includes situations where the process is practiced
    in the United States. As the Senate Judiciary Committee
    report stated, “the process patent bill was crafted to apply
    equally to the use or sale of a product made by a process
    patented in this country whether the product was made
    . . . in this country or in a foreign country.” S. Rep. No.
    100-83, at 46 (1987).
    MOMENTA PHARM., INC.   v. TEVA PHARM., INC.              3
    that a patent related to quality control testing cannot be
    infringed under § 271(g), which states, “[w]hoever without
    authority imports into the United States or offers to sell,
    sells, or uses within the United States a product which is
    made by a process patented in the United States shall be
    liable as an infringer.” 35 U.S.C. § 271(g) (2012) (empha-
    sis added). Quality control, according to the majority, is
    not used to “make” a product. This seems to me too lim-
    ited a construction of § 271(g).
    I
    The central question here is whether quality control is
    part of the process of “manufacturing” a product. The
    majority holds that it is not, relying primarily on Bayer
    AG v. Housey Pharmaceuticals, Inc., 
    340 F.3d 1367
    (Fed.
    Cir. 2003). There we held that § 271(g) “contemplates that
    ‘made’ means ‘manufactured.’” 
    Id. at 1372.
    We also held
    that “in order for a product to have been ‘made by a
    process patented in the United States’ it must have been
    a physical article.” 
    Id. at 1377.
    Finally, Bayer held that
    “the process must be used directly in the manufacture of
    the product, and not merely as a predicate process to
    identify the product to be manufactured.” 
    Id. at 1378
    .
    Thus in Bayer we held that a method for screening sub-
    stances to identify promising products was not a method
    used in the manufacture of a product. 
    Id. at 1369
    , 1378.
    “A drug product, the characteristics of which were studied
    The cases on which Amphastar relies as suggesting
    that the statute is limited to practicing a process abroad
    hold no more than that § 271(g) applies to that circum-
    stance. See, e.g., Ajinomoto Co. v. Archer-Daniels-Midland
    Co., 
    228 F.3d 1338
    , 1347 (Fed. Cir. 2000). They do not
    suggest that the sale of a product made by the practice of
    a process in the United States would not be an infringe-
    ment under § 271(g).
    4                 MOMENTA PHARM., INC.   v. TEVA PHARM., INC.
    using the claimed research processes . . . is not a product
    ‘made by’ those claimed processes.” 
    Id. at 1378
    . 2
    The patent here, however, is not utilized to identify
    the product to be made, but rather is used in the manu-
    facturing process. The quality control process of the ’886
    patent is an intermediate step to determine which batches
    of putative enoxaparin must be discarded, and which
    batches may be incorporated in the final drug product. It
    is distinctly part of the manufacturing process of the
    product.
    The dictionary definitions of “make” and “manufac-
    ture” relied on by the majority at most suggest that
    quality control, standing alone, is not making or manufac-
    turing. But they hardly suggest that quality control is not
    part of making or manufacturing. Nor can there be any
    suggestion that the processes described in § 271(g) are
    limited to those that cover the entire manufacturing
    process. The majority opinion cites no authority that
    quality control is not a part of manufacturing, other than
    our non-precedential decision in Phillip M. Adams &
    Associates, LLC v. Dell Computer Corp., 519 F. App’x 998
    (Fed. Cir. 2013). In fact, quality control is, as a general
    matter, considered to be a part of the drug manufacturing
    2    Sharafabadi v. University of Idaho, No. C09-
    1043JLR, 
    2009 WL 4432367
    (W.D. Wash. Nov. 27, 2009),
    relied on by the majority, is similar to Bayer and is equal-
    ly beside the point. Maj. Op. at 9. In Sharafabadi, the
    district court found that the patent holder “alleg[ed] only
    that the Universities used the [patent] as a research tool
    to test the characteristics of various yellow mustard
    seeds” in the course of developing a new IdaGold mustard
    seed and “[did] not allege that [any defendant] used the
    [patent] to directly manufacture or produce the IdaGold
    seeds.” Sharafabadi, 
    2009 WL 4432367
    , at *5 (citing
    
    Bayer, 340 F.3d at 1378
    ).
    MOMENTA PHARM., INC.   v. TEVA PHARM., INC.                   5
    process. That is the view of the Food and Drug Admin-
    istration (“FDA”). The FDA, in its Good Manufacturing
    Practice regulations, 21 C.F.R. §§ 210.1–210.3, defines
    “[m]anufacture” as “includ[ing] packaging and labeling
    operations, testing, and quality control of drug products.”
    21 C.F.R. § 210.3(12) (2011) (emphasis added).
    Similarly, statutes and regulations in other areas
    have recognized that quality control is inherent in the
    manufacturing process. For example, in the manufacture
    of chemicals, the Toxic Substances Control Act provides
    that the Administrator of the Environmental Protection
    Agency may “require . . . [a] manufacturer or processor to
    submit a description of the relevant quality control proce-
    dures followed in the manufacturing or processing of [a]
    chemical substance or mixture.” 15 U.S.C. § 2605(b). So,
    too, in the manufacture of medical devices. A medical
    device manufacturer, in order to obtain approval of a
    device under the Investigational Device Exemption, must
    submit an application with, inter alia, a “description of
    the methods, facilities, and controls used for the manufac-
    ture . . . of the device . . . so that a person generally famil-
    iar with good manufacturing practices can make a
    knowledgeable judgment about the quality control used in
    the manufacture of the device.” 21 C.F.R. § 812.20 (2015).
    In other words, quality control is “used in the manufac-
    ture of the device.” Id.; see also United States v. Castillo,
    
    928 F.2d 1106
    , 1108 (11th Cir. 1991) (“A device that is
    used for ‘quality control’ in the manufacture of any item
    can be considered a device used in the manufacture of the
    product.”).
    II
    However, we need not reach the question here of
    whether quality control is always part of a manufacturing
    process. Our precedent suggests that we should resolve
    the question of whether a product was “made by” a pro-
    cess on a case-by-case basis. See Bio-Tech. Gen. Corp. v.
    6                 MOMENTA PHARM., INC.   v. TEVA PHARM., INC.
    Genentech, Inc., 
    80 F.3d 1553
    , 1561 (Fed. Cir. 1996).
    Under the facts of this case, the quality control testing of
    the ’886 patent is clearly an integral part of the manufac-
    turing process of enoxaparin. In order to understand why,
    it is helpful to understand how the final enoxaparin drug
    product is made.
    Heparin is a naturally occurring anticoagulant con-
    sisting of a mixture of long chains of sugar molecules.
    Heparin may be cleaved, using different methods, into
    shorter sugar chains (“oligosaccharides”) to create differ-
    ent low molecular weight heparins (“LMWHs”), each of
    which is a different heterogeneous collection of oligosac-
    charides. The different heterogeneous collections of oligo-
    saccharides give each LMWH a different therapeutic
    effect.
    Enoxaparin is one type of LMWH, and was first sold
    under the brand name Lovenox. As with any LMWH, the
    sugar chains in enoxaparin may differ slightly from batch
    to batch, but they have structural similarities determined
    to be unique to that LMWH. One such signature structur-
    al feature is a 1,6-anhydro ring structure that is present
    at approximately 20% of the reducing ends of sugar
    chains in the collection. The molecular diversity of
    enoxaparin creates special problems for the manufactur-
    ing of a generic version of the drug, which must be bio-
    equivalent to and contain the same active ingredients as
    the branded drug. Thus, as we previously described,
    the FDA identified five criteria, or standards for
    identity, that together provide sufficient infor-
    mation to conclude that generic enoxaparin has
    the ‘same’ active ingredient as Lovenox. These cri-
    teria included, inter alia, [e]quivalence in disac-
    charide building blocks, fragment mapping, and
    sequence of oligosaccharide species. . . . Detecting
    the presence of a 1, 6 anhydro ring structure is
    MOMENTA PHARM., INC.   v. TEVA PHARM., INC.                7
    particularly    important     for   proving   equiva-
    lence . . . .
    Momenta Pharm., Inc. v. Amphastar Pharm., Inc. (Mo-
    menta I), 
    686 F.3d 1348
    , 1350–51 (Fed. Cir. 2012) (cita-
    tions and quotation marks omitted). As required by the
    FDA, only batches in which 15–25% of the sugar chains
    contain a 1,6-anhydro ring structure at the reducing end
    may be released and combined for further processing to
    become the finished drug product.
    Momenta’s ’886 patent claims a method of analyzing
    and selecting batches of intermediate enoxaparin drug
    substance, based on the appropriate quantity of sugar
    chains containing the 1,6-anhydro ring structure. The
    patent contemplates the usage of its methods during the
    manufacturing process, teaching, for example, a method
    that “provides a way to both streamline manufacturing
    and reduce costs while ensuring a more consistent, higher
    quality product,” U.S. Patent No. 7,757,886 col. 34 ll. 43–
    52. The specification also notes that the methods of the
    claimed invention allow for the creation of “LMWH prepa-
    rations with low batch-batch variability and a desired
    structural signature,” 
    id. at col.
    60 l. 66–col. 61 l. 3. It
    compares the claimed method of conducting a structural
    characterization of LMWHs with the prior art “current
    manufacturing practices for . . . LMWHs [which] use
    functional assays . . . and gross physical characterization
    to provide quality control,” 
    id. at col.
    48 ll. 1–7.
    As the majority characterizes it, “‘ma[king]’ does not
    extend to testing to determine whether an already syn-
    thesized drug product possesses existing qualities or
    properties.” Maj. Op. at 8–9. While I do not agree with the
    majority’s cabining of the term “making,” even under the
    majority’s test, the quality control process is an integral
    part of the manufacturing of the enoxaparin drug product.
    The enoxaparin drug substance that is tested using the
    method of the ’886 patent is far from being a finished
    8                 MOMENTA PHARM., INC.   v. TEVA PHARM., INC.
    product. The FDA defines a “drug product” as the “fin-
    ished dosage form, for example, tablet, capsule, solution,
    etc.” 21 C.F.R. § 210.3(4) (2015). Even after the identity of
    the drug substance is confirmed utilizing the quality
    control steps of the ’886 patent, further processing steps
    remain: “weighing, combining the enoxaparin in one batch
    with other batches of enoxaparin that have been similarly
    processed and selected by use of the claimed method,
    compounding the resulting mixture with specially-
    purified water, sterilizing this compound, placing it into
    syringes, and labeling and packaging the finished prod-
    uct.” J.A. 12440. Only after these additional processing
    steps are completed is the drug product ready for com-
    mercial sale. See 21 C.F.R. § 210.3(4). Thus, the quality
    control testing method of the ’886 patent is a necessary
    intermediate step in the manufacture of enoxaparin.
    In this respect this case is similar to Bio-Technology,
    where we considered whether a manufacturer’s importa-
    tion of human growth hormone (“hGH”) could infringe two
    Genentech patents under § 
    271(g). 80 F.3d at 1558
    . The
    first patent was a method of producing hGH in bacterial
    hosts by inserting a semi-synthetic gene (e.g., a “plas-
    mid”), encoding for hGH and one additional amino acid,
    into bacterial cells that could then express the hGH
    product. 
    Id. at 1556–57.
    The second patent’s claims were
    directed to the method for constructing a plasmid, in
    other words, a method for creating information that the
    bacterial cells could use to generate the product. 
    Id. at 1557.
    Notably, there was no doubt that the “plasmid
    product of the claimed process and hGH are entirely
    different materials.” 
    Id. at 1561.
    Nonetheless, we noted
    that the manufacturer “use[d] the claimed process of
    making a [plasmid] as an essential part of an overall
    process for producing hGH,” and held that “it cannot be
    said as a matter of law that the production of hGH is too
    remote from the claimed process of making a replicable
    cloning vehicle.” 
    Id. MOMENTA PHARM.,
    INC.   v. TEVA PHARM., INC.               9
    In Bio-Technology, the practice of the plasmid patent
    was an essential intermediate component of the overall
    process for producing hGH. Similarly, here, the quality
    control step of the ’886 patent is an essential intermediate
    step in the overall production of enoxaparin. In this case,
    the majority states that “[n]o assertion is made . . . that
    the enoxaparin samples on which tests are performed are
    themselves incorporated into the finished product or
    imported into the United States.” Maj. Op. at 9–10. But
    this was also true in Bio-Technology, and provides no
    ground for distinction.
    III
    Finally, limiting “made” in § 271(g) to “the creation or
    transformation of a product, such as by synthesizing,
    combining components, or giving raw materials new
    properties,” Maj. Op. at 8, would lead to anomalous re-
    sults. Patents on purification methods or the quality
    control method at issue here, which may be integral to the
    regulatory or commercial viability of a product, but which
    do not create or transform a product, combine compo-
    nents, or confer new properties, could be freely infringed
    simply by outsourcing those processes abroad. Congress
    could not have intended to create this loophole when it
    sought to protect process patent owners from foreign
    competitors using U.S. manufacturing processes abroad.
    See generally Eli Lilly & Co. v. Am. Cyanamid Co., 
    82 F.3d 1568
    , 1571–72 (Fed. Cir. 1996).
    I respectfully dissent.