Alpek Polyester, S.A. De C v. v. Polymetrix Ag ( 2021 )

Case: 21-1706 Document: 37 Page: 1 Filed: 12/16/2021
NOTE: This disposition is nonprecedential.
United States Court of Appeals
for the Federal Circuit
______________________
ALPEK POLYESTER, S.A. DE C.V., FKA GRUPO
PETROTEMEX, S.A. DE C.V., DAK AMERICAS LLC,
Plaintiffs-Appellants
v.
POLYMETRIX AG,
Defendant-Appellee
______________________
2021-1706
______________________
Appeal from the United States District Court for the
District of Minnesota in No. 0:16-cv-02401-SRN-HB, Judge
Susan Richard Nelson.
______________________
Decided: December 16, 2021
______________________
ERIC W. SCHWEIBENZ, Oblon, McClelland, Maier &
Neustadt, LLP, Alexandria, VA, argued for plaintiffs-ap-
pellants. Also represented by ALEXANDER BEACH
ENGLEHART, J. DEREK MASON, JOHN PRESPER.
TODD NOAH, Dergosits & Noah LLP, San Francisco, CA,
argued for defendant-appellee.
______________________
Case: 21-1706 Document: 37 Page: 2 Filed: 12/16/2021
2 ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG
Before LOURIE, O’MALLEY, and STOLL, Circuit Judges.
LOURIE, Circuit Judge.
Alpek Polyester, S.A. and DAK Americas LLC 1 appeal
from the decision of the United States District Court for the
District of Minnesota granting summary judgment of no in-
ducement in favor of Polymetrix, A.G. (“Polymetrix”). See
Grupo Petrotemex, S.A. DE C.V. v. Polmetrix A.G., No. 16-
cv-2401, 2021 WL 1239894 (D. Minn. Apr. 2, 2021) (“Sum-
mary Judgment Decision”). Alpek also appeals from other
decisions issued by the district court in conjunction with
the denial of summary judgment, including denial of
Alpek’s motion to strike a declaration submitted in support
of Polymetrix’s motion for summary judgment and denial
of Alpek’s motion to amend its complaint, see id., as well as
the district court’s denial of Alpek’s motion to compel pro-
duction of an opinion of counsel. See Grupo Petrotemex,
S.A. DE C.V. v. Polmetrix A.G., No. 16-cv-2401, 2020 WL
1983747 (D. Minn. Apr. 26, 2020) (“Motion to Compel Deci-
sion”). For the reasons provided below, we affirm all of the
district court’s decisions.
BACKGROUND
Alpek Polyester, S.A. is a Mexican company that owns
U.S. Patents 7,790,840, 7,868,125, and 7,192,545 (collec-
tively, the “patents-in-suit”), which are directed to methods
and processes for producing polyethylene terephthalate
(“PET”) resin used to create plastic bottles and containers.
DAK Americas LLC is Alpek’s American affiliate and the
exclusive licensee of the patents-in-suit.
Polymetrix is a Swiss engineering company that sup-
plies equipment and engineering services for the
1 At the time this appeal was filed, Alpek Polyester,
S.A. was known as Grupo Petrotemex, S.A. de C.V. See
Dkt. 27. We refer to the appellants collectively as “Alpek.”
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ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG 3
construction of plants that manufacture PET resin. Poly-
metrix does not itself manufacture PET resin; rather, Poly-
metrix manufactures and sells polymer processing
equipment, including equipment that uses Polymetrix’s
EcoSphereTM technology.
In February 2013, Polymetrix contracted with In-
dorama Ventures Poland sp. z o.o. (“IVP”) to equip a man-
ufacturing plant located in Wloclawek, Poland with the
EcoSphereTM process. IVP is a subsidiary of Indorama
Ventures Public Company Limited (“Indorama Ventures”),
which is a global petrochemicals producer with more
than 100 manufacturing facilities in more than 30 coun-
tries around the world. Summary Judgment Decision,
2021 WL 1239894, at *3.
Polymetrix completed its work under the contract on
July 5, 2014, after which the contract provided for a “com-
missioning period” before final payment. Id. During the
commissioning period, Polymetrix retained ownership of
the equipment installed at the plant while IVP conducted
performance tests. The contract allowed Polymetrix to re-
view the results of the performance tests, see id. at *12, but
there is no indication that the contract specified who was
required to perform the tests or where they would be per-
formed.
During the commissioning period, IVP undertook to
conduct the performance testing referenced in the contract.
On three occasions, IVP sent one or more samples of PET
to one of its affiliate laboratories—Auriga Polymers, Inc.
(“Auriga”) and AlphaPet, Inc. (“AlphaPet”)—in the United
States. First, on July 7, 2014, IVP sent two PET resin sam-
ples to Auriga for interlaboratory cross-checking of IVP’s
own laboratory results. See id. at *4. Second, on July 17,
2014, an AlphaPet employee named Jay Gosain returned
from a visit to IVP with a sample of PET that he personally
carried into the United States. See id. at *4–5. Third, on
October 27, 2014, IVP sent a 30 kg PET sample to Auriga
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4 ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG
“in order to have Auriga make preforms” and have those
preforms “analyzed in a laboratory.” Id. at *6.
Alpek sued Polymetrix in the United States District
Court for the District of Minnesota on July 12, 2016. Alpek
accused Polymetrix of actively inducing infringement of the
patents-in-suit under 35 U.S.C. § 271(b) by causing IVP to
import into the United States a product produced by a pa-
tented process. The parties engaged in a complicated and
protracted international discovery process, most of which
is not relevant to the outcome of this appeal. We discuss
here the few issues which are of particular import to the
various motions that are at issue before us.
The first relevant discovery issue pertains to Polymet-
rix’s initial disclosures under Federal Rule of Civil Proce-
dure 26. Specifically, Polymetrix did not disclose Puneet
Saini as an “individual likely to have discoverable infor-
mation” that Polymetrix “may use to support its claims or
defenses.” See Fed. R. Civ. P. 26(a)(1)(A)(i). Mr. Saini is
the director of IVP, and his name was referenced on more
than 1,000 documents produced during discovery. Rele-
vant to this appeal, Polymetrix later relied on a declaration
from Mr. Saini in support of its summary judgment motion,
and Alpek moved to strike the declaration.
The second relevant discovery issue pertains to deposi-
tions in mid-2020 during which Alpek’s counsel questioned
witnesses about Polymetrix’s ownership of the IVP plant
equipment during the commissioning period and Polymet-
rix’s knowledge regarding testing done by IVP through its
United States affiliates. Based on those depositions, on
August 14, 2020, Alpek moved to amend its complaint to
add a count of direct infringement, which the magistrate
judge later denied because it was filed ten months after the
deadline set forth in the scheduling order for amended
pleadings. See J.A. 149–67.
Additionally, on September 29, 2020 Alpek’s counsel
elicited the following testimony from Yash Awasthi, who
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ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG 5
testified as a corporate representative of Auriga and Al-
phaPet pursuant to Federal Rule of Civil Proce-
dure 30(b)(6):
Q. And was the sample that Mr. Gosain took back
to the United States taken in order to perform in-
terlaboratory cross-checking for Polymetrix?
A. Yes, for Polymetrix. They requested the sample
to be sent to -- along with, and the results were pro-
vided to them of polymers and esterification sam-
ple. It was at the request of Mr. Puneet Saini, as I
said.
J.A. 12204. Mr. Awasthi later clarified that he “thought
[counsel] had said IVP, but apparently [counsel] might
have said Polymetrix.” J.A. 12215.
The third relevant discovery issue pertains to Polymet-
rix’s assertion of privilege over an opinion it obtained from
its counsel in 2017 while this litigation was pending. At
that time, Polymetrix was negotiating with Sanlian Hope
(“Sanlian”), a Chinese company, for an asset sale that
would make Sanlian the majority shareholder of Polymet-
rix. See Motion to Compel Decision, 2020 WL 1983747,
at *1. During the negotiations, Polymetrix communicated
with Sanlian about an opinion of counsel it received con-
cerning Alpek’s infringement allegations, and Sanlian then
disclosed a brief summary of the opinion in public filings
with the Shenzhen Stock Exchange. Id. at *1–2. Alpek
contended that the attorney-client privilege had been
waived and moved for production of the opinion and related
documents, which the magistrate judge denied. Id. at *1.
The district court affirmed the order of the magistrate
judge. Id.
On September 1, 2020, Polymetrix moved for early
summary judgment of no inducement on the basis that
Alpek had no evidence with which it could prove at trial
that Polymetrix caused IVP to import any PET into the
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6 ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG
United States. Notably, in support of its motion for sum-
mary judgment, Polymetrix relied on Mr. Saini’s declara-
tion in which he attested that all decisions made by IVP to
send samples to the United States were made by IVP alone
without any input or influence from Polymetrix.
In opposing Polymetrix’s motion, Alpek argued that
disputed issues of fact remained for the jury regarding
whether Polymetrix caused IVP to import PET into the
United States. Alpek set forth two theories of causation.
The first theory was that Polymetrix’s entry into the con-
tract with IVP was itself an act that satisfied the causation
element because the contract caused IVP to send PET sam-
ples to the United States. The second theory of causation
was that, even if Polymetrix did not proactively cause im-
portation to the United States, Polymetrix retroactively
ratified the importation by receiving and using test results
that it knew were from laboratories in the United States.
For both theories, Alpek relied heavily on Mr. Awasthi’s al-
leged admission that the July 17, 2014 sample was sent to
the United States “for Polymetrix.”
The district court first denied Alpek’s motion to strike.
The court found that, because Mr. Saini’s significance was
well known to Alpek through discovery, his declaration was
not prejudicial and was properly considered as part of the
record on summary judgment. See Summary Judgment
Decision, 2021 WL 1239894, at *9–10.
The court then proceeded to grant Polymetrix’s motion
for summary judgment of no inducement because Alpek
had no admissible evidence to prove either of its causation
theories. Id. at *10–13. The court found that Mr. Awas-
thi’s “for Polymetrix” statement was inadmissible under
Federal Rule of Evidence 602 because he lacked personal
knowledge of the reasons why Mr. Gosain brought the July
17, 2014 sample into the United States. Id. at *5. The
court also found that “the contract between IVP and Poly-
metrix does not expressly require IVP to test PET produced
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ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG 7
using the EcoSphere process in the United States” and thus
it “does not itself require an infringing act.” Id. at *12 (em-
phasis in original). And the court found that Alpek had
“not raised a genuine dispute of fact regarding whether
Polymetrix used AlphaPet’s data.” Id. at *12–13.
As for Alpek’s motion to amend its complaint, the court
affirmed the magistrate judge’s denial of the motion. Id.
The court credited the magistrate judge’s finding that
Alpek had sufficient information to support its allegations
before the expiration of the October 2019 deadline to
amend pleadings, and that the depositions in 2020 did not
provide the type of “lightbulb moment” that Alpek was re-
lying upon for its showing of good cause to amend after the
deadline. Id. at *14–16.
Alpek appealed from the district court’s grant of sum-
mary judgment of no inducement, including the court’s un-
derlying denial of its motion to strike the Saini declaration.
Alpek also appealed from the court’s denial of its motion to
amend as well as the court’s denial of its motion to compel
production of documents relating to the opinion of counsel.
We have jurisdiction pursuant to 28 U.S.C. § 1295(a)(1).
DISCUSSION
I.
We begin by addressing the issues relating to summary
judgment, including the district court’s ultimate legal con-
clusion as well as the underlying discovery and evidentiary
rulings. Alpek makes four arguments challenging the
court’s grant of summary judgment. First, Alpek argues
that the court abused its discretion by disregarding Mr.
Awasthi’s admission that the July 17, 2014 sample was
brought into the United States “for Polymetrix.” Second,
Alpek argues that the court erred by finding that Polymet-
rix did not ratify IVP’s importation by using test results
from the United States. Third, Alpek argues that the court
erred in failing to recognize fact disputes that stem from
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8 ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG
Polymetrix’s ownership of the equipment under a Swedish
law interpretation of the contract. And fourth, Alpek ar-
gues that the court erred by declining to strike the Saini
declaration upon which Polymetrix heavily relied to sup-
port its summary judgment motion.
Polymetrix responds that causation is an essential ele-
ment of induced infringement, and that the court properly
granted summary judgment because Alpek had no evi-
dence with which it could demonstrate at trial that Poly-
metrix caused IVP to import any product into the United
States. Polymetrix also responds to each individual argu-
ment raised by Alpek.
We review a district court’s grant of summary judg-
ment according to the law of the regional circuit. Kaneka
Corp. v. Xiamen Kingdomway Grp. Co., 790 F.3d 1298,
1303 (Fed. Cir. 2015) (citing Halo Elecs., Inc. v. Pulse El-
ecs., Inc., 769 F.3d 1371, 1377 (Fed. Cir. 2014)). The Eighth
Circuit reviews a grant of summary judgment de novo.
Phil-Insul Corp. v. Airlite Plastics Co., 854 F.3d 1344, 1353
(Fed. Cir. 2017) (citing Wilson v. Spain, 209 F.3d 713, 716
(8th Cir. 2000)). Summary judgment is appropriate if “the
movant shows that there is no genuine dispute as to any
material fact and the movant is entitled to judgment as a
matter of law.” Fed. R. Civ. P. 56(a). With the relevant
standard in mind, we address each of Alpek’s arguments.
A.
Alpek first argues that the district court improperly
disregarded Mr. Awasthi’s admission that the July 17,
2014 sample was brought into the United States “for Poly-
metrix.” Alpek contends that Mr. Awasthi’s statement was
admissible testimony under Federal Rule of Evidence 602
because the law does not require a witness testifying pur-
suant to Federal Rule of Civil Procedure 30(b)(6) to have
personal knowledge of the matters about which that wit-
ness testifies. Alpek thus argues that, because Mr. Awas-
thi was testifying as a Rule 30(b)(6) corporate
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ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG 9
representative on behalf of AlphaPet, it is immaterial
whether he personally had knowledge of IVP’s reasons for
sending the sample to the United States.
Polymetrix first responds that Mr. Awasthi simply
misspoke in one answer during his deposition. Polymetrix
points to Mr. Awasthi’s later testimony during which he
unequivocally corrected himself by clarifying that he had
intended to say “IVP” rather than “Polymetrix.” Polymet-
rix also argues in support of the district court’s evidentiary
conclusion that a Rule 30(b)(6) corporate representative is
only competent to testify about information known to the
corporation. According to Polymetrix, because neither Mr.
Awasthi nor AlphaPet had knowledge of IVP’s reasons for
sending the July 17, 2014 sample to the United States, the
court correctly found that such evidence was inadmissible
under Federal Rule of Evidence 602, and thus could not be
relied upon by Alpek to oppose summary judgment.
Under Eighth Circuit law, “[a]t summary judgment,
the requisite ‘genuine dispute,’ Fed. R. Civ. P. 56(a), must
appear in admissible evidence.” Crews v. Monarch Fire
Prot. Dist., 771 F.3d 1085, 1092 (8th Cir. 2014) (emphasis
in original) (citing Nooner v. Norris, 594 F.3d 592, 603 (8th
Cir. 2010)). “A district court has wide discretion in ruling
on the admissibility of proffered evidence, and we review
the district court’s ruling on evidentiary issues for an abuse
of discretion.” Harris v. United States Dep’t of the Army,
119 F.3d 1313, 1321 (8th Cir. 1997) (citing Gillming v. Sim-
mons Indus., 91 F.3d 1168, 1172 (8th Cir. 1996)).
We find that the district court did not abuse its discre-
tion in declining to consider Mr. Awasthi’s alleged admis-
sion. As a matter of law, it is true that Mr. Awasthi’s status
as a Rule 30(b)(6) witness rendered him competent to tes-
tify in his deposition about matters that may have been
outside of his own personal knowledge. To be considered
at summary judgment, however, that deposition testimony
must be admissible in evidence. See Brooks v. Tri-Sys.,
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10 ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG
Inc., 425 F.3d 1109, 1112 (8th Cir. 2005) (citing Firemen’s
Fund Ins. Co. v. Thien, 8 F.3d 1307, 1310–11 (8th Cir.
1993)). A party may rely on deposition testimony from an
adverse party at a hearing (such as at summary judgment)
or introduce such testimony at trial. See Fed. R. Civ.
P. 32(a)(3) (“An adverse party may use for any purpose the
deposition of a party or anyone who, when deposed, was the
party’s officer, director, managing agent, or designee under
Rule 30(b)(6) . . . .”); see also Fed. R. Evid. 801(d)(2). But in
this case, Mr. Awasthi, being a third-party 30(b)(6) wit-
ness, did not testify on behalf of a party and thus his depo-
sition testimony would not be admissible at trial under
Federal Rule of Evidence 801(d)(2). Nor could Alpek rely
on Federal Rule of Civil Procedure 32(a)(3) as a basis for
admitting Mr. Awasthi’s testimony, given this rule like-
wise applies only to the corporate testimony of an adverse
party.
That Mr. Awasthi was not a party’s 30(b)(6) witness
distinguishes this case from General Mills Operations, LLC
v. Five Star Custom Foods, Ltd., 703 F.3d 1104, 1110 (8th
Cir. 2013), where the disputed 30(b)(6) testimony was of a
party and relied on by an adverse party at summary judg-
ment. Thus, to be admissible for purposes of summary
judgment (and trial), Mr. Awasthi’s testimony was subject
to the personal knowledge requirement of Federal Rule of
Evidence 602. But the district court expressly noted that
Mr. Awasthi lacked personal knowledge of any reasons IVP
may have had for sending the July 17, 2014 sample with
Mr. Gosain into the United States. See Summary Judg-
ment Decision, 2021 WL 1239894, at *5. Accordingly, on
this record, we cannot say that the court abused its discre-
tion in finding Mr. Awasthi’s statement to be inadmissible.
Moreover, even if we were hesitant about the eviden-
tiary exclusion of Mr. Awasthi’s testimony, his alleged ad-
mission would still be insufficient to create a genuine
dispute of material fact. Alpek rested huge portions of its
inducement theories on two words—“for Polymetrix”—
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ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG 11
excerpted from one question in one deposition in the larger
context of a protracted discovery process that lasted years.
And the implication that Alpek wishes to draw from those
two words—that Polymetrix somehow caused IVP to send
a PET sample with Mr. Gosain on his flight back to the
United States—is contrary to the overwhelming majority
of the evidence which demonstrates that Polymetrix had no
knowledge or concern about where, when, or how IVP con-
ducted performance tests.
In context, it is abundantly clear that Mr. Awasthi
simply misheard the question asked of him. The transcript
demonstrates that he was asked “. . . for Polymetrix?” and
he responded “Yes, for Polymetrix.” J.A. 12204. But the
remainder of his answer demonstrates that he was actually
referring to IVP, not to Polymetrix. Notably, after stating
that “they requested the sample to be sent” and the results
to be “provided to them,” Mr. Awasthi stated “[i]t was at
the request of Mr. Puneet Saini, as I said.” Id. Unsurpris-
ingly, Mr. Saini was the director of IVP, not Polymetrix.
Mr. Awasthi later explicitly testified that he had misheard
the question and misspoke during his answer. J.A. 12215.
It is well recognized that “[t]he primary purpose of a
motion for summary judgment is to avoid a useless trial,
and summary judgment is a procedural device for promptly
disposing of actions in which there is no genuine issue of
any material fact even though such issue might have been
raised by formal pleadings.” Mintz v. Mathers Fund, Inc.,
463 F.2d 495, 498 (7th Cir. 1972); see also, e.g., Northwest
Motorcycle Ass’n v. Dep’t of Agric., 18 F.3d 1468, 1471 (9th
Cir. 1994) (stating that summary judgment exists to avoid
“unnecessary” trials); Goodman v. Mead Johnson & Co.,
534 F.2d 566, 573 (3d Cir. 1976) (“The purpose of the rule
is to eliminate a trial in cases where it is unnecessary and
would only cause delay and expense.”). In this case, Alpek
wishes to proceed to trial on the basis of a single witness’s
momentary loss of focus for a span of a single question and
answer during his deposition. But the summary judgment
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12 ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG
standard requires a genuine dispute about a material fact;
no such genuine dispute exists here regarding Polymetrix’s
lack of knowledge or interest in whether the July 17, 2014
sample entered the United States.
B.
Turning to the second argument, Alpek contends that
Polymetrix retroactively ratified IVP’s importation of PET
samples into the United States by receiving test results
that it knew were from laboratories in the United States
and incorporating those results into its own report. Alpek’s
expert witness was prepared to testify that test results
from AlphaPet “match up almost exactly” with data in a
report prepared by Polymetrix. See J.A. 6815–16.
Polymetrix responds that Alpek failed to present evi-
dence with which it could prove that the data in Polymet-
rix’s report came from AlphaPet test results. Specifically,
Polymetrix argues that Alpek’s expert based his entire
opinion on an estimated line that he drew on a blurry figure
that shows a plot of hundreds of viscosity measurements.
See Polymetrix Br. at 34; see also J.A. 6815–16 (expert wit-
ness comparing data in an email, J.A. 12599–600, to data
in a Polymetrix report, J.A. 8906)). Polymetrix also argues
that its own witnesses thoroughly rebutted any notion that
AlphaPet was the source of the data in the Polymetrix re-
port.
On the record before the district court, there simply
was no genuine dispute of material fact on this issue.
Again, Alpek hung a huge portion of its theory on an un-
supportable piece of evidence—here, a conclusory assertion
by its expert. We agree with the court’s analysis of the ex-
pert’s imprecise attempt to correlate two sets of data. See
Summary Judgment Decision, 2021 WL 1239894, at *6–7.
We further agree with the court’s recognition that the over-
whelming majority of the evidence, including testimony
from multiple other witnesses, demonstrated that Al-
phaPet was not the source of the data in the Polymetrix
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ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG 13
report. See id. And, mostly, we fundamentally agree with
the court that Alpek’s expert’s conclusion is nonsensical in
view of his concession that the two sets of data “match up
almost exactly.” See id. at *12 (emphasis added). If the
AlphaPet test results were really the source of the data for
Polymetrix’s report, we can discern no reason why the two
sets of data would not match up exactly.
C.
Alpek’s third argument is that the district court erred
by failing to recognize the Swedish law implications of
Polymetrix’s continued ownership of the plant equipment
during the commissioning period. Alpek contends that the
only evidence on this point was an unrebutted declaration
that Polymetrix’s continued ownership makes Polymetrix
“the responsible party under Swedish law.” See Alpek Br.
at 34.
Polymetrix responds that the district court properly
found Alpek’s Swedish law declaration to be inapposite.
Polymetrix emphasizes that, notwithstanding any contrac-
tual terms agreed to by the parties, this case is governed
by American patent law.
We agree with Polymetrix. This case does not involve
a dispute about the interpretation of any contractual pro-
vision or a breach of the contract between Polymetrix and
IVP. Rather, the question presented to the district court
was whether, under American law, Alpek had sufficient ev-
idence to create genuine disputes of material fact regarding
the causation element of induced infringement. Thus, even
if Alpek’s Swedish law declaration is entirely accurate in
its representations, no contract term can alter the elements
required to prove induced infringement of the patents-in-
suit.
As a matter of American law, the mere fact that Poly-
metrix owned the plant equipment is wholly insufficient for
Alpek to meet its burden of proving that Polymetrix took
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14 ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG
active steps to induce IVP to infringe. See, e.g., MGM Stu-
dios Inc. v. Grokster, Ltd., 545 U.S. 913, 935–36 (2005) (re-
quiring “[e]vidence of active steps . . . taken to encourage
direct infringement, such as advertising an infringing use
or instructing how to engage in an infringing use” (internal
quotations omitted)); Ricoh Co., Ltd. v. Quanta Computer
Inc., 550 F.3d 1325, 1341 (Fed. Cir. 2008) (“[L]liability for
active inducement may be found ‘where evidence goes be-
yond a product’s characteristics or the knowledge that it
may be put to infringing uses, and shows statements or ac-
tions directed to promoting infringement.’” (quoting Grok-
ster, 545 U.S. at 935)). We are therefore unpersuaded by
Alpek’s argument that the district court erred by failing to
account for a Swedish law interpretation of the contract.
D.
Alpek’s fourth argument is based on the court’s denial
of its motion to strike the Saini declaration. Alpek relies
on the language of Federal Rule of Civil Procedure 37,
which states that “[i]f a party fails to . . . identify a witness
as required by Rule 26(a) or (e), the party is not allowed to
use that . . . witness to supply evidence on a motion . . . un-
less the failure was substantially justified or is harmless.”
According to Alpek, because it is undisputed that Polymet-
rix failed to disclose Mr. Saini in its initial disclosures un-
der Rule 26(a), the court abused its discretion in allowing
Polymetrix to rely on Mr. Saini’s declaration in support of
its motion for summary judgment.
The district court is owed broad discretion in enforcing
the rules of discovery, see Phil Crowley Steel Corp. v. Ma-
comber, Inc., 601 F.2d 342, 344 (8th Cir. 1979). While it is
important that district courts exercise their discretion to
enforce the rules of discovery in a manner that minimizes
unfair surprises and prejudice to either party, see, e.g., Doe
v. Young, 664 F.3d 727, 734 (8th Cir. 2011), there was no
such surprise or prejudice here. Mr. Saini’s significance to
the case was readily apparent because he was the director
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ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG 15
of IVP and his name appeared on more than 1,000 docu-
ments produced during discovery. Under Rule 26(e), Poly-
metrix would only have been required to supplement its
initial disclosures “if the additional or corrective infor-
mation”—namely, Mr. Saini’s identity, contact infor-
mation, and significance to the case—“ha[d] not otherwise
been made known to the other parties during the discovery
process.” Fed. R. Civ. P. 26(e). At worst, Polymetrix’s fail-
ure to disclose Mr. Saini’s identity was entirely harmless.
See Fed. R. Civ. P. 37(c). Accordingly, we find no abuse of
discretion in the district court’s conclusion that Alpek “can-
not credibly” contend that it was unfairly surprised by
Polymetrix’s reliance on Mr. Saini. See Summary Judg-
ment Decision, 2021 WL 1239894, at *10.
Each of Alpek’s arguments fails to persuade us that the
district court erred in its summary judgment analysis. Ac-
cordingly, we hold that the district court properly granted
summary judgment of no inducement in favor of Polymet-
rix.
II.
We turn next to Alpek’s appeal of the district court’s
denial of its motion to amend. Alpek contends that the dep-
ositions in mid-2020 provided information that showed
Polymetrix was directly responsible for importing PET into
the United States. Alpek insists that it could not have
amended its complaint before the October 2019 deadline
because did not have enough information to support alle-
gations of direct infringement until it discovered “critical
new evidence that could not have been found earlier.” See
Alpek/DAK Br. at 50. Alpek blames Polymetrix and the
affiliated Indorama Ventures companies for engaging in
delay tactics throughout discovery.
Polymetrix responds that the district court did not
abuse its discretion in denying Alpek’s motion to amend.
Polymetrix notes that Alpek’s brief is silent on the issue of
diligence, which is the primary measure of the good cause
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16 ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG
required to extend the filing deadline for a motion to amend
the complaint. See Polymetrix Br. at 51 (citing Sherman v.
Winco Fireworks, Inc., 532 F.3d 709, 716–17 (8th Cir.
2008)).
Much of Alpek’s argument consists of mere disagree-
ment with the magistrate judge’s view of the facts. The
magistrate judge found that Alpek had sufficient infor-
mation before the October 2019 deadline “at the very least,
to have reasonable suspicions” that IVP had sent PET sam-
ples from its plant in Poland to the United States. See
Summary Judgment Decision, 2021 WL 1239894, at *9
(quoting the magistrate judge’s opinion). Moreover, the
magistrate judge “struggled to see” how anything that oc-
curred during the depositions in mid-2020 “was the kind of
‘lightbulb moment’” described by Alpek. See id.We defer to the broad discretion of the district court to
manage its own docket. See Gould v. Control Laser Corp.,
705 F.2d 1340, 1341 (Fed. Cir. 1983). Here, the magistrate
judge denied the motion to amend, and the district court
affirmed that denial, mainly because Alpek made no at-
tempt to amend its complaint until long after the deadline.
All of Alpek’s arguments in this appeal were expressly con-
sidered and rejected by the magistrate judge and then
again by the district judge. Alpek would have us reconsider
the factual basis for its motion and reweigh all of the argu-
ments it presented below, which we will not do. Cf. GS
CleanTech Corp. v. Adkins Energy LLC, 951 F.3d 1310,
1328 (Fed. Cir. 2020) (declining to reweigh evidence on a
question reviewed for abuse of discretion). Because we find
that the district court did not abuse its discretion in affirm-
ing the magistrate judge’s denial of the motion to amend,
we affirm that decision.
III.
We finally turn to Alpek’s motion to compel production
of the opinion of counsel and related documents. Alpek ar-
gues that Polymetrix waived privilege with respect to the
Case: 21-1706 Document: 37 Page: 17 Filed: 12/16/2021
ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG 17
opinion of counsel. According to Alpek, the district court
erred by focusing on whether Polymetrix intended to use
the opinion of counsel in the litigation, but that considera-
tion became irrelevant once the privilege was waived.
Alpek insists that the opinion of counsel would have been
featured in the summary judgment briefing because it
could have been used to show that Polymetrix was likely to
infringe the patents. Polymetrix responds that we need not
reach this issue because it has no bearing on the district
court’s summary judgment ruling. For the reasons that fol-
low, we agree with Polymetrix.
To prove induced infringement, Alpek was required to
show not only that Polymetrix intended to cause, but also
that Polymetrix did in fact cause, IVP to infringe the pa-
tents-in-suit. See, e.g., Golden Blount, Inc. v. Robert H. Pe-
terson Co., 365 F.3d 1054, 1061 (Fed. Cir. 2004) (requiring
proof that the defendant “actually induced” infringement
(citing Met-Coil Sys. Corp. v. Korners Unlimited, Inc., 803
F.2d 684, 687 (Fed. Cir. 1986)). In other words, “intent”
and “causation” are two separate required elements to
prove induced infringement. An opinion of counsel, to the
extent it is relevant to indirect infringement, would relate
only to the intent element of inducement. Omega Patents,
LLC v. CalAmp Corp., 920 F.3d 1337, 1352–53 (Fed. Cir.
2019) (“‘[O]pinion-of-counsel evidence’ is relevant to the in-
tent analysis for induced infringement because such evi-
dence ‘may reflect whether the accused infringer “knew or
should have known” that its actions would cause another
to directly infringe.’” (quoting Broadcom Corp. v. Qual-
comm Inc., 543 F.3d 683, 699 (Fed. Cir. 2008))).
Here, as Polymetrix correctly points out, the court
granted summary judgment of no inducement on the basis
that Alpek could not present evidence “sufficient to raise a
genuine dispute of material fact regarding Polymetrix’s
causation of IVP’s allegedly infringing activity.” See Sum-
mary Judgment Decision, 2021 WL 1239894, at *14 (em-
phasis added). But the issue of intent did not factor into
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18 ALPEK POLYESTER, S.A. DE C.V. v. POLYMETRIX AG
the district court’s grant of summary judgment. Thus, in
view of our affirmance of the court’s grant of summary
judgment on the basis of a lack of causation, the motion to
compel—which relates to the intent element of induce-
ment—presents a moot issue that we need not decide. See,
e.g., Hester Indus. v. Stein, Inc., 142 F.3d 1472, 1485 (Fed.
Cir. 1998) (declining to decide an issue that did not bear on
a district court’s summary judgment ruling).
CONCLUSION
We have considered all of Alpek’s remaining argu-
ments regarding the district court’s decisions and we find
them unpersuasive. Accordingly, all of the decisions of the
district court are affirmed.
AFFIRMED