Whatsapp Inc. v. Nso Group Technologies Ltd. ( 2021 )


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  •                  FOR PUBLICATION
    UNITED STATES COURT OF APPEALS
    FOR THE NINTH CIRCUIT
    WHATSAPP INC., a Delaware                  No. 20-16408
    corporation; FACEBOOK, INC., a
    Delaware corporation,                         D.C. No.
    Plaintiffs-Appellees,      4:19-cv-07123-
    PJH
    v.
    NSO GROUP TECHNOLOGIES                       OPINION
    LIMITED; Q CYBER TECHNOLOGIES
    LIMITED,
    Defendants-Appellants.
    Appeal from the United States District Court
    for the Northern District of California
    Phyllis J. Hamilton, District Judge, Presiding
    Argued and Submitted April 12, 2021
    San Francisco, California
    Filed November 8, 2021
    Before: Mary H. Murguia, Ryan D. Nelson, and
    Danielle J. Forrest, Circuit Judges.
    Opinion by Judge Forrest
    2        WHATSAPP V. NSO GROUP TECHNOLOGIES
    SUMMARY *
    Foreign Sovereign Immunity
    The panel affirmed the district court’s order denying a
    private Israeli corporation’s motion to dismiss, based on
    foreign sovereign immunity, an action brought under the
    Computer Fraud and Abuse Act and California state law.
    WhatsApp Inc. and Facebook, Inc., alleged that
    defendant, a privately owned and operated Israeli
    corporation, sent malware through WhatsApp’s server
    system to mobile devices.
    The panel held that it had jurisdiction under the collateral
    order doctrine to review the district court’s order denying
    defendant’s motion to dismiss based on a claim of immunity
    from suit.
    The panel held that the Foreign Sovereign Immunity Act
    occupies the field of foreign sovereign immunity and
    categorically forecloses extending immunity to any entity
    that falls outside the Act’s broad definition of “foreign
    state.” The panel rejected defendant’s argument that it could
    claim foreign sovereign immunity under common-law
    immunity doctrines that apply to foreign officials. The panel
    stated that there was no indication that the Supreme Court in
    Samantar v. Yousuf, 
    560 U.S. 305
     (2010), intended to extend
    foreign official immunity to entities. Moreover, the FSIA’s
    text, purpose, and history demonstrate that Congress
    *
    This summary constitutes no part of the opinion of the court. It
    has been prepared by court staff for the convenience of the reader.
    WHATSAPP V. NSO GROUP TECHNOLOGIES               3
    displaced common-law sovereign immunity as it relates to
    entities. The panel therefore affirmed the district court’s
    order.
    COUNSEL
    Jeffrey S. Bucholtz (argued), King and Spalding LLP,
    Washington, D.C.; Matthew V.H. Noller, King and Spalding
    LLP, Sacramento, California; Joseph N. Akrotirianakis,
    King and Spalding LLP, Los Angeles, California; for
    Defendants-Appellants.
    Michael R. Dreeben (argued), O’Melveny & Myers LLP,
    Washington, D.C.; Yaira Dubin, O’Melveny & Myers LLP,
    New York, New York; for Plaintiffs-Appellees.
    Mark Parris, Carolyn Frantz, Paul Rugani, and Alyssa
    Barnard-Yanni, Orrick Herrington & Sutcliffe LLP, Seattle,
    Washington; for Amici Curiae Microsoft Corp., Cicsco
    Systems Inc., Github Inc., LinkedIn Corporation, VMWare
    Inc., and Internet Association.
    Michael Trinh, Google LLC, Mountain View, California, for
    Amicus Curiae Google LLC.
    Sophia Cope and Andrew Crocker, Electronic Frontier
    Foundation, San Francisco, California, for Amicus Curiae
    Electronic Frontier Foundation.
    Elaine Goldenberg, Munger Tolles & Olson LLP,
    Washington, D.C.; Marianna Mao, Munger Tolles & Olson
    LLP, San Francisco, California; David Kaye, Irvine,
    California; for Amicus Curiae David Kaye.
    4       WHATSAPP V. NSO GROUP TECHNOLOGIES
    Kyle A. McLorg, Stephanie Skaff, and Deepak Gupta,
    Farella Braun & Martel LLP, San Francisco, California, for
    Amici Curiae Access Now, Amnesty International,
    Committee to Protect Journalists, Internet Freedom
    Foundation, Paradigm Initiative, Privacy International, Red
    en Defensa de los Derechos Digitales, and Reporters
    Without Borders.
    Geoffrey M. Klineberg and Bethan R. Jones, Kellogg
    Hansen Todd Figel & Frederick PLLC, Washington, D.C.,
    for Amicus Curiae Foreign Sovereign Immunity Scholars.
    OPINION
    FORREST, Circuit Judge:
    The question presented is whether foreign sovereign
    immunity protects private companies. The law governing
    this question has roots extending back to our earliest history
    as a nation, and it leads to a simple answer—no. Indeed, the
    title of the legal doctrine itself—foreign sovereign
    immunity—suggests the outcome.
    Plaintiffs-Appellees WhatsApp Inc. and Facebook, Inc.
    (collectively WhatsApp) sued Defendants-Appellants NSO
    Group Technologies Ltd. and Q Cyber Technologies Ltd.
    (collectively NSO), alleging that NSO, a privately owned
    and operated Israeli corporation, sent malware through
    WhatsApp’s server system to approximately 1,400 mobile
    devices, breaking both state and federal law. NSO argues
    foreign sovereign immunity protects it from suit and,
    therefore, the court lacks subject matter jurisdiction.
    Specifically, NSO contends that even if WhatsApp’s
    allegations are true, NSO was acting as an agent of a foreign
    WHATSAPP V. NSO GROUP TECHNOLOGIES                   5
    state, entitling it to “conduct-based immunity”—a common-
    law doctrine that protects foreign officials acting in their
    official capacity.
    The district court rejected NSO’s argument, concluding
    that common-law foreign official immunity does not protect
    NSO from suit in this case. We agree that NSO is not entitled
    to immunity in this case, but we reach this conclusion for a
    different reason than did the district court. We hold that the
    Foreign Sovereign Immunity Act (FSIA or Act) occupies the
    field of foreign sovereign immunity as applied to entities and
    categorically forecloses extending immunity to any entity
    that falls outside the FSIA’s broad definition of “foreign
    state.” And we reject NSO’s argument that it can claim
    foreign sovereign immunity under common-law immunity
    doctrines that apply to foreign officials—i.e., natural
    persons. See Samantar v. Yousuf, 
    560 U.S. 305
    , 315–16
    (2010). There is no indication that the Supreme Court
    intended to extend foreign official immunity to entities.
    Moreover, the FSIA’s text, purpose, and history demonstrate
    that Congress displaced common-law sovereign immunity
    doctrine as it relates to entities. See Native Vill. of Kivalina
    v. ExxonMobile Corp., 
    696 F.3d 849
    , 856 (9th Cir. 2012)
    (“Federal common law is subject to the paramount authority
    of Congress.”).
    I. BACKGROUND
    NSO is an Israeli company that designs and licenses
    surveillance technology to governments and government
    agencies for national security and law enforcement purposes.
    One of NSO’s products—a program named Pegasus—
    “enables law enforcement and intelligence agencies to
    remotely and covertly extract valuable intelligence from
    virtually any mobile device.” Pegasus users may intercept
    messages, take screenshots, or exfiltrate a device’s contacts
    6        WHATSAPP V. NSO GROUP TECHNOLOGIES
    or history. NSO claims that it markets and licenses Pegasus
    to its customers, 1 which then operate the technology
    themselves. According to NSO, its role “is limited to . . .
    providing advice and technical support to assist customers in
    setting up—not operating—the Pegasus technology.”
    WhatsApp provides an encrypted communication
    service to the users of its application. Because of its
    encryption technology, every type of communication
    (telephone calls, video calls, chats, group chats, images,
    videos, voice messages, and file transfers) sent using
    WhatsApp on a mobile device can be viewed only by the
    intended recipient. WhatsApp asserts that NSO used
    WhatsApp’s servers without authorization to send
    “malicious code” to approximately 1,400 WhatsApp users.
    The malicious code was allegedly designed to infect the
    targeted devices for the purpose of surveilling the device
    users.
    In October 2019, WhatsApp sued NSO in federal district
    court. WhatsApp asserted claims under the Computer Fraud
    and Abuse Act, 
    18 U.S.C. § 1030
    , and the California
    Comprehensive Computer Data Access and Fraud Act, 
    Cal. Penal Code § 502
    , as well as claims for breach of contract
    and trespass to chattels. WhatsApp alleged that NSO
    intentionally accessed WhatsApp servers without
    authorization to figure out how to place Pegasus on
    WhatsApp users’ devices without detection. WhatsApp
    sought an injunction restraining NSO from accessing
    WhatsApp’s servers, violating WhatsApp’s terms, and
    1
    WhatsApp contends that NSO’s customers are not limited to
    foreign governments. Whether this is true or not is immaterial to the
    outcome of this case.
    WHATSAPP V. NSO GROUP TECHNOLOGIES                  7
    impairing WhatsApp’s service. WhatsApp also sought
    compensatory, statutory, and punitive damages.
    NSO moved to dismiss the complaint. As relevant here,
    NSO asserted that the court lacked subject matter
    jurisdiction because NSO was acting at the direction of its
    foreign government customers and is protected from suit
    under foreign sovereign immunity. The district court denied
    NSO’s motion. Relying on the Restatement (Second) of
    Foreign Relations Law § 66, the district court concluded that
    NSO was not entitled to common-law conduct-based foreign
    sovereign immunity because it failed to show that exercising
    jurisdiction over NSO would serve to enforce a rule of law
    against a foreign state. This interlocutory appeal followed.
    II. DISCUSSION
    A. Interlocutory Jurisdiction
    As a threshold matter, WhatsApp argues that we lack
    jurisdiction over this interlocutory appeal because the
    district court’s order is not a final appealable order. “We
    review questions of our own jurisdiction de novo.” Hunt v.
    Imperial Merch. Servs., Inc., 
    560 F.3d 1137
    , 1140 (9th Cir.
    2009) (citation omitted).
    We have jurisdiction over “final decisions of the district
    courts.” 
    28 U.S.C. § 1291
    . Under the collateral-order
    doctrine, a small class of interlocutory orders qualifies as
    “final decisions.” See Cohen v. Beneficial Indus. Loan
    Corp., 
    337 U.S. 541
    , 545–46 (1949). To be an appealable
    collateral order, the decision must “[1] conclusively
    determine the disputed question, [2] resolve an important
    issue completely separate from the merits of the action, and
    [3] be effectively unreviewable on appeal from a final
    judgment.” P.R. Aqueduct & Sewer Auth. v. Metcalf & Eddy,
    8        WHATSAPP V. NSO GROUP TECHNOLOGIES
    Inc., 
    506 U.S. 139
    , 144 (1993) (citation omitted). WhatsApp
    contests only the third element—that the order is effectively
    unreviewable after final judgment.
    A common example of an immediately appealable
    collateral order that is effectively unreviewable after final
    judgment is an interlocutory denial of certain immunities
    from suit. SolarCity Corp. v. Salt River Project Agric.
    Improvement & Power Dist., 
    859 F.3d 720
    , 725 (9th Cir.
    2017) (noting that the “Supreme Court has allowed
    immediate appeals from” interlocutory denials of Eleventh
    Amendment immunity, absolute and qualified immunity,
    foreign sovereign immunity, and tribal sovereign immunity).
    In contrast, denials of a “defense to liability” are not
    immediately appealable final orders. 
    Id.
     at 725–26
    (explaining that “[u]nlike immunity from suit, immunity
    from liability can be protected by a post-judgment appeal”
    and “therefore do[es] not meet the requirements for
    immediate appeal under the collateral-order doctrine”).
    The parties dispute whether common-law conduct-based
    foreign official immunity is an immunity from suit, entitling
    it to an interlocutory appeal, or a defense to liability that can
    only be appealed post-judgment. But all agree that foreign
    state sovereign immunity, now codified in the FSIA, is an
    immunity from suit and that an order denying a foreign
    state’s claim of sovereign immunity is immediately
    appealable. Compania Mexicana de Aviacion, S.A. v. U.S.
    Dist. Ct., 
    859 F.2d 1354
    , 1358 (9th Cir. 1988). Because we
    conclude that the FSIA governs NSO’s claim of immunity,
    we have jurisdiction over this appeal under the collateral-
    order doctrine.
    WHATSAPP V. NSO GROUP TECHNOLOGIES                   9
    B. Foreign Sovereign Immunity
    1. Origins of the Doctrine
    Chief Justice John Marshall’s opinion in Schooner
    Exchange v. McFadden, 
    7 Cranch 116
    ; 
    3 L. Ed. 287
     (1812),
    is credited with establishing foreign sovereign immunity in
    American law. See Opati v. Republic of Sudan, 
    140 S. Ct. 1601
    , 1605 (2020); see also Schooner Exchange, 
    7 Cranch at 136
     (noting the Court was “exploring an unbeaten path,
    with few, if any, aids from precedents or written law”).
    Writing for the Court, he reasoned that a nation’s jurisdiction
    within its own boundaries is “exclusive and absolute” and
    any limitations on such jurisdiction “must be traced up to the
    consent of the nation itself. They can flow from no other
    legitimate source.” Schooner Exchange, 
    7 Cranch at 136
    .
    Chief Justice Marshall further explained that respecting, and
    claiming, the “perfect equality and absolute independence of
    sovereigns,” the nations of the world have “wave[d] the
    exercise of a part of that complete exclusive territorial
    jurisdiction” in cases brought within their jurisdiction
    against a foreign sovereign and ministers of a foreign
    sovereign. 
    Id.
     at 137–39; Republic of Austria v. Altmann,
    
    541 U.S. 677
    , 688 & n.9 (2004).
    From this origin—described as “the classical or virtually
    absolute theory of sovereign immunity,” Permanent Mission
    of India to the U.N. v. City of New York, 
    551 U.S. 193
    , 199
    (2007) (internal quotation marks and citation omitted)—
    “[t]he doctrine of foreign sovereign immunity developed as
    a matter of common law.” Samantar, 
    560 U.S. at 311
    .
    During our early years as a country, the State Department
    took the lead in applying foreign sovereign immunity. Id.;
    see also Br. of Foreign Sovereign Immunity Scholars, 4–7,
    No. 20-16408. Essentially, when faced with an immunity
    claim brought by a foreign state or official, if the State
    10      WHATSAPP V. NSO GROUP TECHNOLOGIES
    Department suggested immunity, a court would acquiesce.
    Samantar, 
    560 U.S. at
    311–12. And if the State Department
    did not suggest immunity, the court’s inquiry consisted of
    asking whether the State Department had a policy for
    recognizing sovereign immunity in similar circumstances.
    
    Id.
     So, the State Department, not the courts, was the primary
    arbiter of foreign sovereign immunity. And the State
    Department’s general practice was to suggest immunity “in
    all actions against friendly sovereigns.” 
    Id. at 312
    .
    2. The Foreign Sovereign Immunity Act
    In the early 1950s, the State Department abandoned the
    absolute theory of foreign sovereign immunity and “join[ed]
    the majority of other countries by adopting the ‘restrictive
    theory’ of sovereign immunity.” Permanent Mission of India
    to the U.N., 
    551 U.S. at 199
    . Under this theory, foreign
    sovereign “‘immunity is confined to suits involving the
    foreign sovereign’s public acts, and does not extend to cases
    arising out of a foreign state’s strictly commercial acts.’”
    Samantar, 
    560 U.S. at 312
     (quoting Verlinden B.V. v. Cent.
    Bank of Nigeria, 
    461 U.S. 480
    , 487 (1983)). Congress
    recognized that “[u]nder international law, states are not
    immune from the jurisdiction of foreign courts insofar as
    their commercial activities are concerned.” 
    28 U.S.C. § 1602
    . Unsurprisingly, the politics of international
    diplomacy, at times, caused the State Department to suggest
    granting immunity in cases where its new, restrictive theory
    would have dictated denial. Samantar, 
    560 U.S. at 312
    ;
    Verlinden B.V., 
    461 U.S. at 487
    . Inconsistent outcomes also
    occurred depending on whether an immunity claim was
    presented to the State Department or a court. Verlinden B.V.,
    
    461 U.S. at
    487–88.
    Congress disapproved of this inconsistency and enacted
    the FSIA to promote uniformity. Samantar, 
    560 U.S. at 313
    .
    WHATSAPP V. NSO GROUP TECHNOLOGIES                  11
    As the Act explains, its purpose was twofold: (1) “endorse
    and codify the restrictive theory of sovereign immunity” that
    existed under international law, and (2) “transfer primary
    responsibility for deciding claims of foreign states to
    immunity from the State Department to the courts.” 
    Id.
    (internal quotation marks omitted); 
    28 U.S.C. § 1602
    . In
    Congress’s view, placing the responsibility for deciding
    foreign sovereign immunity claims with courts “would serve
    the interests of justice and would protect the rights of both
    foreign states and litigants in the United States courts.”
    
    28 U.S.C. § 1602
    . And so, immunity determinations were no
    longer made in the Secretary’s office but a courtroom.
    The Supreme Court has addressed the purpose and scope
    of the FSIA on multiple occasions. In Verlinden B.V., the
    Court addressed whether the FSIA exceeded the scope of
    Article III of the Constitution and concluded that the FSIA
    “contains a comprehensive set of legal standards governing
    claims of immunity in every civil action against a foreign
    state or its political subdivisions, agencies or
    instrumentalities.” 
    461 U.S. at 488
    . Likewise, in Republic of
    Austria, the Court considered whether the FSIA governed
    pre-enactment conduct and stated that the FSIA “established
    a comprehensive framework for resolving any claim of
    sovereign immunity.” 
    541 U.S. at 699
     (emphasis added). Six
    years later, the Court addressed whether a foreign official
    comes within the FSIA’s definition of “foreign state” and is,
    therefore, subject to the Act. Samantar, 
    560 U.S. at
    313–14.
    Backing away from its prior expansive pronouncements
    concerning the scope of the FSIA, the Court interpreted the
    Act’s definition of “foreign state” as not including individual
    foreign officials seeking immunity. 
    Id.
     at 315–20. But the
    Court reiterated that the FSIA does govern the immunity of
    foreign state entities: “The FSIA was adopted . . . to address
    a modern world where foreign state enterprises are every day
    12      WHATSAPP V. NSO GROUP TECHNOLOGIES
    participants in commercial activities, and to assure litigants
    that decisions regarding claims against states and their
    enterprises are made purely on legal grounds.” 
    Id. at 323
    (emphasis added) (internal quotation marks and citation
    omitted). Considering that foreign sovereign immunity cases
    involving foreign officials were “few and far between” prior
    to the FSIA’s enactment, the Court’s initial expansive
    pronouncements concerning the scope of the Act are not
    surprising. 
    Id.
    For purposes of resolving the present case, it is worth
    retracing the Court’s interpretative analysis in Samantar.
    The FSIA established that “‘a foreign state shall be immune
    from the jurisdiction of the courts of the United States and
    of the States’ except as provided in the Act.” 
    Id. at 313
    (quoting 
    28 U.S.C. § 1604
    ). Where it applies, the FSIA takes
    the entire field regarding application of immunity. If a party
    seeking immunity is a “foreign state,” as defined in the Act,
    the FSIA “is the sole basis for obtaining jurisdiction” over
    that party. Id. at 314 (internal quotation marks and citation
    omitted). In such a case, it is improper for courts to consider
    common-law principles. Native Vill. of Kivalina, 696 F.3d at
    856 (“[W]hen federal statutes directly answer the federal
    question, federal common law does not provide a remedy
    because legislative action has displaced the common law.”).
    While “foreign state” could be defined as including only “a
    body politic that governs a particular territory,” Congress
    defined it more broadly. Samantar, 
    560 U.S. at 314
    . Under
    the FSIA, “foreign state” includes a body politic, as well as
    its “political subdivisions, agencies, and instrumentalities.”
    Id.; 
    28 U.S.C. § 1603
    (a). And “agency or instrumentality” is
    defined to include “any entity [that] is a separate legal
    person, corporate or otherwise and . . . which is an organ of
    a foreign state or political subdivision thereof, or a majority
    of whose shares or other ownership interest is owned by a
    WHATSAPP V. NSO GROUP TECHNOLOGIES                             13
    foreign state or political subdivision thereof.” 
    28 U.S.C. § 1603
    (b) (emphasis added); Samantar, 
    560 U.S. at 316
    (“Congress had corporate formalities in mind.”); see also
    EIE Guam Corp. v. Long Term Credit Bank of Japan, Ltd.,
    
    322 F.3d 635
    , 640 (9th Cir. 2003) (noting that an entity can
    be an organ of a foreign state even if it is involved in some
    commercial affairs). Given these defined terms, and the
    absence of any reference to individual foreign officials, 2 the
    Supreme Court held that Congress did not intend for the
    FSIA to govern immunity of foreign officials in part because
    “the types of defendants listed [in the FSIA] are all entities.”
    Samantar, 
    560 U.S. at 317
     (emphasis added).
    3. Foreign Sovereign Immunity & Private Entities
    Neither the Supreme Court nor this Court has answered
    whether an entity that does not qualify as a “foreign state”
    can claim foreign sovereign immunity under the common
    law. It is clear under existing precedent that such an entity
    cannot seek immunity under the FSIA. Whether such entity
    can sidestep the FSIA hinges on whether the Act took the
    entire field of foreign sovereign immunity as applied to
    entities, or whether it took the field only as applied to foreign
    state entities, as NSO suggests. The answer lies in the
    question. The idea that foreign sovereign immunity could
    2
    We recognize that the FSIA literally includes “person” in the
    definition of “agency or instrumentality,” but as the Supreme Court has
    explained, the phrase “separate legal person, corporate or otherwise” in
    § 1603(b)(1) “typically refers to the legal fiction that allows an entity to
    hold personhood separate from the natural persons who are its
    shareholders or officers.” Samantar, 
    560 U.S. at 315
    . “It is similarly
    awkward to refer to a person as an ‘organ’ of the foreign state . . . . [And]
    the terms Congress chose simply do not evidence the intent to include
    individual officials within the meaning of ‘agency or instrumentality.’”
    
    Id.
     at 315–16.
    14      WHATSAPP V. NSO GROUP TECHNOLOGIES
    apply to non-state entities is contrary to the originating and
    foundational premise of this immunity doctrine. Moreover,
    there is no indication that Congress, in codifying the
    restrictive theory of foreign sovereign immunity to promote
    uniformity and ensure that immunity decisions are based on
    law rather than politics, intended to exempt an entire
    category of entities from its “comprehensive” regime. See 
    28 U.S.C. § 1603
    (b); Republic of Austria, 
    541 U.S. at 699
    .
    While the FSIA was silent about immunity for individual
    officials, that is not true for entities—quite the opposite.
    Thus, we hold that an entity is entitled to foreign sovereign
    immunity, if at all, only under the FSIA. If an entity does not
    fall within the Act’s definition of “foreign state,” it cannot
    claim foreign sovereign immunity. Period.
    Before diving into the details, we go back to the
    beginning. Chief Justice Marshall explained that foreign
    sovereign immunity arises from the recognition of the
    “perfect equality and absolute independence of sovereigns.”
    Schooner Exchange, 
    7 Cranch at 137
    . We give sovereign
    immunity to other nations as an act of “grace and comity,”
    Verlinden B.V., 
    461 U.S. at 486
    , so they will do the same for
    us. This cooperative acknowledgement that each nation has
    equal autonomy and authority promotes exchange and good
    relationships between nations. See Schooner Exchange,
    
    7 Cranch at 137
    ; see also Siderman de Blake v. Republic of
    Argentina, 
    965 F.2d 699
    , 718 (9th Cir. 1992) (quoting Chief
    Justice Marshall’s discussion of the origins of sovereign
    immunity); Butters v. Vance Int’l, Inc., 
    225 F.3d 462
    , 465
    (4th Cir. 2000) (“[Sovereign] acts often have political,
    cultural, and religious components. Judicial interference
    with them would have serious foreign policy ramifications
    for the United States.”). None of the purposes for
    recognizing foreign sovereign immunity are served by
    granting immunity to entities and actors that are neither
    WHATSAPP V. NSO GROUP TECHNOLOGIES                          15
    sovereigns themselves nor are not acting on behalf of a
    sovereign. Again, the very name of the doctrine—foreign
    sovereign immunity—reflects this truth. Congress did not
    displace this foundational premise when it enacted the FSIA.
    See Samantar, 
    560 U.S. at
    320 n.13 (“Congress is
    understood to legislate against a background of common-law
    . . . principles” (omission in original) (internal quotation
    marks and citation omitted)).
    As noted above, Congress could have limited the FSIA’s
    reach to only “a body politic that governs a particular
    territory.” 
    Id. at 314
    . It did not. It expanded the FSIA’s reach
    to “any entity [that] is a separate legal person, corporate or
    otherwise and . . . which is an organ of a foreign state or
    political subdivision thereof, or a majority of whose shares
    or other ownership interest is owned by a foreign state of
    political subdivision thereof.” 
    28 U.S.C. § 1603
    (b)
    (emphasis added). In defining what qualifies as a “foreign
    state,” the FSIA necessarily defines the scope of foreign
    sovereign immunity. An entity must be a sovereign or must
    have a sufficient relationship to a sovereign to claim
    sovereign-based immunity. Without such status or
    relationship, there is no justification for granting sovereign
    immunity. It is odd indeed to think that by not including a
    category of entity within its definition of “foreign state,”
    Congress intended for such entities to have the ability to seek
    immunity outside its “comprehensive” statutory scheme. See
    Republic of Austria, 
    541 U.S. at 699
    .
    This reasoning is supported by the expressio unius
    exclusio alterius 3 interpretive canon. In creating a
    “comprehensive set of legal standards governing claims of
    immunity . . . against a foreign state or its political
    3
    The expression of one thing implies the exclusion of another.
    16        WHATSAPP V. NSO GROUP TECHNOLOGIES
    subdivisions, agencies or instrumentalities,” Verlinden B.V.,
    
    461 U.S. at 488
    , Congress defined the types of foreign
    entities—including,      specifically,    foreign     corporate
    entities —that may claim immunity. 
    28 U.S.C. § 1603
    (b).
    4
    The most reasonable interpretation then is that the definition
    of “foreign state” forecloses immunity for any entity falling
    outside such definition, particularly where “foreign state” is
    defined broadly. 5 See Pfizer, Inc. v. Gov’t of India, 
    434 U.S. 308
    , 312–13 (1978) (noting that expansive statutory
    language matched the underlying statute’s comprehensive
    nature); Ingersoll-Rand Co. v. McClendon, 
    498 U.S. 133
    ,
    138–39 (1990) (explaining that defining a term broadly
    underscored Congress’s intent that the underlying statutory
    term be expansively applied). And the Supreme Court’s
    holding in Samantar that individual foreign officials are not
    subject to the FSIA does not defeat this interpretation
    because, as the Court explained, the FSIA did not address, at
    4
    The Supreme Court has recognized that in enacting the FSIA,
    “Congress was aware of settled principles of corporate law and legislated
    within that context.” Dole Food Co. v. Patrickson, 
    538 U.S. 468
    , 474
    (2003).
    5
    The D.C. Circuit recently relied on the common law in denying
    foreign sovereign immunity to three United States citizens and a United
    States limited liability corporation. Broidy Cap. Mgmt. LLC v. Muzin,
    
    12 F.4th 789
    , 798 (D.C. Cir. 2021). When summarizing Samantar, the
    court presumed without explanation that the common law applied to
    “private entities or individuals.” Id. at 802. Unlike here, the parties in
    Broidy agreed that the FSIA did not apply; the defendants made only
    common-law arguments, and the defendant-entity was domestic, not
    foreign. Id. at 792; see also NML Cap., Ltd., 573 U.S. at 142. The D.C.
    Circuit did not make an explicit finding that foreign sovereign immunity
    claims from foreign private entities should be analyzed under the
    common law, and it did not explain its summary assertion that a private
    entity can seek immunity under the common law despite the FSIA. See
    Broidy, 12 F.4th at 802.
    WHATSAPP V. NSO GROUP TECHNOLOGIES                  17
    all, immunity for individuals or natural persons. 
    560 U.S. at 319
     (“Reading the FSIA as a whole, there is nothing to
    suggest we should read ‘foreign state’ in § 1603(a) to include
    an official acting on behalf of the foreign state, and much to
    indicate that this meaning was not what Congress enacted.”).
    Moreover, the Act’s definition of “foreign state” cannot
    be divorced from the context that “[t]he FSIA was adopted
    . . . to address a modern world where foreign state
    enterprises are every day participants in commercial
    activities.” Id. at 323 (emphasis added) (internal quotation
    marks and citation omitted). Congress prohibited applying
    foreign sovereign immunity to “strictly commercial acts.”
    Id. at 312. So, a plaintiff who can show that a foreign
    entity—even a direct sovereign like the Welsh
    Government—was engaged in “a regular course of
    commercial conduct or a particular commercial transaction
    or act,” 
    28 U.S.C. § 1603
    (d), may defeat a claim of
    immunity, see Pablo Star Ltd. v. Welsh Gov’t, 
    961 F.3d 555
    ,
    560 (2d Cir. 2020), cert. denied, 
    141 S. Ct. 1069
     (2021);
    
    28 U.S.C. § 1605
    (a)(2). It makes little sense to conclude that
    the FSIA leaves open the possibility that a corporate entity
    less connected to a sovereign than those meeting the
    statutory definition of “foreign state” could seek immunity
    for commercial conduct under a different immunity doctrine
    while entities more connected to a sovereign—even a body
    politic itself—could not. Especially where the other
    immunity doctrine proffered, foreign official immunity, is as
    narrowly focused on natural persons as the FSIA is broadly
    focused on entities. See Samantar, 
    560 U.S. at 323
     (finding
    “no reason to believe that Congress saw as a problem, or
    wanted to eliminate, the State Department’s role in
    determinations regarding individual official immunity.”).
    Instead, the omission of entities like NSO from the FSIA’s
    definition of foreign states and their “political subdivisions,
    18        WHATSAPP V. NSO GROUP TECHNOLOGIES
    agencies, and instrumentalities” reflects a threshold
    determination about the availability of foreign sovereign
    immunity for such entities: they never qualify. 6
    4. NSO’s Foreign Sovereign Immunity Claim
    Concluding that the FSIA governs all foreign sovereign
    immunity claims brought by entities, as opposed to
    individuals, makes this an easy case. NSO is a private
    corporation that designs spyware technology used by
    governments for law enforcement purposes. According to
    NSO, its Pegasus technology is a program that was
    “marketed only to and used only by sovereign governments”
    and it allowed those governments “to intercept messages,
    take screenshots, or exfiltrate a device’s contacts or
    history.” 7 NSO’s clients choose how and when to use
    Pegasus, not NSO. NSO simply licenses the technology and
    provides “advice and technical support” at its customers’
    direction.
    NSO does not contend that it meets the FSIA’s definition
    of “foreign state,” and, of course, it cannot. It is not itself a
    sovereign. 
    28 U.S.C. § 1603
    (a). It is not “an organ . . . or
    6
    In Butters, the Fourth Circuit extended the doctrine of domestic
    derivative sovereign immunity, applicable to United States contractors,
    to a United States corporation acting as an agent of a foreign state.
    
    225 F.3d at 466
    . Butters did not discuss whether this common-law
    doctrine also extends to foreign contractors acting on behalf of foreign
    states. In any event, it is unclear what remains of such reasoning where
    the Supreme Court has instructed that “any sort of immunity defense
    made by a foreign sovereign in an American court must stand on the
    Act’s text. Or it must fall.” Republic of Argentina v. NML Cap., Ltd.,
    
    573 U.S. 134
    , 142 (2014).
    7
    NSO alleges that its customers include the Kingdom of Bahrain,
    the United Arab Emirates, and Mexico.
    WHATSAPP V. NSO GROUP TECHNOLOGIES                          19
    political subdivision” of a sovereign. 
    Id.
     § 1603(b)(2). Nor
    is a foreign sovereign its majority owner. Id. NSO is a
    private corporation that provides products and services to
    sovereigns—several of them. NSO claims that it should
    enjoy the immunity extended to sovereigns because it
    provides technology used for law-enforcement purposes and
    law enforcement is an inherently sovereign function.
    Whatever NSO’s government customers do with its
    technology and services does not render NSO an “agency or
    instrumentality of a foreign state,” as Congress has defined
    that term. Thus, NSO is not entitled to the protection of
    foreign sovereign immunity. And that is the end of our task.
    There is no need to analyze whether NSO is entitled to
    immunity under the common law and inquire how the State
    Department would resolve this case. See WhatsApp Inc. v.
    NSO Grp. Techs. Ltd., 
    472 F. Supp. 3d 649
    , 665 (N.D. Cal.
    2020). Nor is it necessary to explain that neither the State
    Department nor any court has ever applied foreign official
    immunity to a foreign private corporation under the common
    law, although this is a compelling fact indeed. 8 The proper
    analysis begins and ends with the FSIA, the comprehensive
    framework Congress enacted for resolving any entity’s
    8
    There is not a single documented instance of the State Department
    recommending conduct-based immunity for a foreign private
    corporation. See, e.g., Digest of U.S. Practice in International Law 2020,
    at 403–09 (CarrieLyn D. Guymon, ed.); Digest of U.S. Practice in
    International Law 2019, at 344–55 (CarrieLyn D. Guymon, ed.); Digest
    of U.S. Practice in International Law 2018, at 410–13 (CarrieLyn D.
    Guymon, ed.); Digest of U.S. Practice in International Law 2017, at 444–
    55 (CarrieLyn D. Guymon, ed.); Digest of U.S. Practice in International
    Law 2016, at 450–61 (CarrieLyn D. Guymon, ed.). Nor have we found
    any case contemplating the same.
    20      WHATSAPP V. NSO GROUP TECHNOLOGIES
    claim of foreign sovereign immunity. See Republic of
    Austria, 
    541 U.S. at 699
    ; Samantar, 
    560 U.S. at 319
    .
    AFFIRMED.