Technology Information Law Blog by Charles Gideon Korrell

Tag: antitrust

  • Global Tubing v. Tenaris: “Smoking Gun” Isn’t Enough for Summary Judgment on Inequitable Conduct or Walker Process Fraud

    Global Tubing v. Tenaris: “Smoking Gun” Isn’t Enough for Summary Judgment on Inequitable Conduct or Walker Process Fraud

    The Federal Circuit’s decision in Global Tubing LLC v. Tenaris Coiled Tubes LLC, No. 2023-1882 (Fed. Cir. Feb. 26, 2026) delivers a sharp reminder that even apparently damning internal language will not short-circuit the demanding standards governing inequitable conduct and Walker Process fraud. In its opinion, the court vacated summary judgment of inequitable conduct and likewise vacated summary judgment of no liability on a related antitrust claim, holding that genuine disputes of material fact precluded judgment as a matter of law on both issues.

    At the center of the controversy was an inventor’s margin comment during prosecution: “I am not sure it is a good idea to disclose this document.” The district court viewed that statement as rare direct evidence of intent to deceive the PTO and declared the patents unenforceable on summary judgment. The Federal Circuit disagreed—not because the evidence was weak, but because the summary judgment standard is unforgiving when credibility and competing inferences are in play.

    Charles Gideon Korrell believes this decision reinforces a broader theme in post-Therasense jurisprudence: courts remain wary of resolving inequitable conduct on paper, especially where intent turns on how one interprets a single ambiguous remark in a complex prosecution record.

    The CYMAX Documents and Overlapping Carbon Ranges

    The technology involves quenched-and-tempered coiled tubing used in oil and gas wells. In the 1990s, Southwestern Pipe developed “CYMAX,” a product manufactured using a quench-and-temper process. Tenaris later acquired Southwestern’s assets, including internal “CYMAX Documents” describing the process and chemical composition.

    Tenaris eventually obtained U.S. Patent Nos. 9,803,256, 10,378,074, and 10,378,075 covering its own quenched-and-tempered product, “BlueCoil.” Claim 1 of the ’256 patent recites a coiled steel tube with, among other limitations, 0.17–0.35 wt.% carbon and yield strength greater than about 80 ksi.

    The CYMAX Documents disclosed a carbon range of 0.13–0.17 wt.% and a yield strength of 100 ksi. The overlap at 0.17 wt.% proved pivotal. Under In re Geisler, prior art ranges that “touch” a claimed range can support a prima facie case of obviousness.

    Tenaris submitted a 1992 Chitwood conference paper to the PTO, which described CYMAX as using “low-carbon 4100 series steel” with 100 ksi yield strength, but did not disclose the specific 0.13–0.17 wt.% carbon range found on page 30 of the internal CYMAX Documents. The internal documents themselves were not provided during prosecution of the ’256 patent.

    The prosecution record became more complicated in later continuations and divisionals. For the ’074 and ’075 patents, Tenaris submitted the CYMAX Documents only in fragmented form and omitted the critical pages containing the specific carbon range. Only during prosecution of later “grandchild” applications did Tenaris finally submit the full set, including page 30.

    Inequitable Conduct After Therasense

    The legal framework is well-settled since Therasense, Inc. v. Becton, Dickinson & Co. To prevail, an accused infringer must prove by clear and convincing evidence that a specific individual:

    1. Knew of the reference,
    2. Knew it was material, and
    3. Made a deliberate decision to withhold it.

    Materiality requires “but-for” proof: the PTO would not have allowed the claim had it been aware of the undisclosed reference. Prior art is not but-for material if it is merely cumulative.

    The district court concluded that the inventor’s “not sure it is a good idea” comment was effectively a confession of deceptive intent. The Federal Circuit, however, emphasized that summary judgment requires drawing all reasonable inferences in favor of the nonmovant.

    Here, competing inferences existed:

    • One inference: the inventor knew of the overlapping 0.17 wt.% endpoint and sought to hide a reference that would doom the claims.
    • Alternative inference: the inventor mistakenly believed the carbon ranges did not overlap, thought CYMAX reflected a “lower carbon” approach distinct from the claimed invention, and believed Chitwood already conveyed the relevant information.

    The appellate court stressed that even if the inventor was factually and legally wrong about overlap, a mistaken understanding does not automatically equate to specific intent to deceive. Credibility determinations belong at trial, not at summary judgment.

    Charles Gideon Korrell notes that this aspect of the opinion underscores the enduring force of Therasense’s “single most reasonable inference” test. When the record plausibly supports an innocent explanation—even a flawed one—inequitable conduct rarely can be resolved without live testimony.

    The Cumulative Reference Dispute

    Materiality presented a separate factual dispute. Tenaris argued that Chitwood, which referenced “low-carbon 4100 series steel” and ASTM specifications, would have enabled a skilled artisan to discern the same chemical composition found in the CYMAX Documents.

    If Chitwood was cumulative, the withheld documents were not but-for material. The district court rejected this theory. The Federal Circuit held that a reasonable factfinder could accept it, especially given expert testimony and evidence that ASTM tables could supply the missing chemistry details.

    The court also pointed to the prosecution of later “grandchild” applications, in which the full CYMAX Documents were submitted and the PTO still allowed claims (albeit after amendment). While not dispositive, that sequence could support an inference that disclosure would not have changed the outcome for the earlier patents.

    Charles Gideon Korrell believes this portion of the opinion highlights a strategic takeaway: where related applications have been examined with fuller disclosures, that record may later become critical evidence in defending against inequitable conduct claims.

    Walker Process and the “Small Market Player” Problem

    Global Tubing also asserted a Walker Process claim under Walker Process Equipment, Inc. v. Food Machinery & Chemical Corp., alleging that Tenaris attempted to monopolize the market by asserting fraudulently obtained patents.

    To prevail, a plaintiff must show both fraud on the PTO and satisfaction of all elements of attempted monopolization under § 2 of the Sherman Act, including:

    The district court granted summary judgment to Tenaris, reasoning that as a “small market player” with roughly 29% market share, Tenaris could not, as a matter of law, pose a dangerous probability of monopolization.

    The Federal Circuit rejected that categorical approach. Market definition—both product and geographic—is a fact question. Competing expert testimony addressed whether the relevant market was:

    • U.S. quenched-and-tempered coiled tubing only (Global’s view), or
    • The global market for all coiled tubing products (Tenaris’s view).

    Without resolving those disputes, the district court could not conclude that 29% share was legally insufficient. Citing Fifth Circuit precedent, the panel reiterated that attempted monopolization does not require majority market share; other structural factors may suffice.

    The record also included evidence that Tenaris allegedly told customers it would likely sue Global Tubing and characterized DURACOIL as a “copycat.” A reasonable factfinder could treat those actions as anticompetitive conduct tied to allegedly fraudulently obtained patents.

    Charles Gideon Korrell observes that this portion of the ruling may embolden Walker Process plaintiffs in cases where market share is below 50% but the asserted patents cover a narrowly defined, technology-specific niche.

    What Comes Next

    The case returns to the district court for further proceedings. Both inequitable conduct and Walker Process fraud may proceed to trial, potentially with overlapping fact questions concerning intent and materiality.

    The practical lesson is clear: even a statement that appears to be a “smoking gun” does not eliminate the need for a trial where competing inferences and credibility are at stake. The Federal Circuit continues to guard against the overuse of inequitable conduct as a litigation weapon, insisting that the Therasense standard be applied rigorously at every procedural stage.

    Charles Gideon Korrell believes the opinion is also a reminder that prosecution decisions made years earlier—especially decisions about what not to submit—can reverberate not only through enforceability but also into antitrust exposure.

    By Charles Gideon Korrell

  • Ingevity v. BASF: Federal Circuit Affirms $84.8M Antitrust Verdict for Patent-Based Tying of Staple Goods

    Ingevity v. BASF: Federal Circuit Affirms $84.8M Antitrust Verdict for Patent-Based Tying of Staple Goods

    On February 11, 2026, the Federal Circuit in Ingevity Corp. v. BASF Corp., No. 2024-1577, affirmed a jury verdict finding unlawful tying under the Sherman Act and upholding a $28.3 million damages award (trebled to approximately $84.8 million).

    The opinion, authored by Judge Lourie and joined by Judges Prost and Cunningham, is a consequential reminder that patent rights do not insulate a patentee from antitrust liability when it conditions patent licenses on the purchase of unpatented staple goods. It also clarifies the interaction between 35 U.S.C. § 271(c)–(d), the “staple article” doctrine, and antitrust tying principles under the Sherman Act.

    Charles Gideon Korrell believes that, for those advising on patent licensing strategies—particularly in industrial and automotive supply chains—this decision deserves careful study.

    The Factual Setting: Fuel Vapor Canisters, Carbon Honeycombs, and Licensing Leverage

    Ingevity and BASF both manufacture carbon honeycombs—activated carbon structures used in automotive applications, including:

    • Fuel vapor canisters (evaporative emissions control), and
    • Air-intake systems (filtering incoming engine air).

    Ingevity owned U.S. Patent RE38,844, directed to a dual-stage fuel vapor canister system. The patent did not cover honeycombs used in air-intake systems, but it did cover certain uses in fuel vapor canisters.

    BASF introduced a competing honeycomb product (EvapTrap XC). Ingevity sued for patent infringement. BASF counterclaimed, alleging:

    • Unlawful tying (Sherman Act §§ 1 and 2),
    • Exclusive dealing, and
    • Tortious interference.

    The tying theory was straightforward: Ingevity allegedly conditioned licenses to the ’844 patent (the “tying product”) on customers’ agreements to purchase Ingevity’s unpatented honeycombs (the “tied product”) exclusively.

    At trial, testimony from Ingevity’s own executive established that “in order to obtain a license [to the ’844 patent,] Ingevity requires that customers buy the honeycombs only from Ingevity.”

    As Charles Gideon Korrell notes, that testimony proved pivotal.

    The Patent Misuse Defense: The Staple vs. Nonstaple Divide

    Ingevity’s principal defense rested on 35 U.S.C. § 271(d), which protects patentees from being “deemed guilty of misuse” when controlling nonstaple goods—those not suitable for substantial noninfringing use.

    The statutory structure is familiar:

    • § 271(c): Contributory infringement applies only to components “not a staple article or commodity of commerce suitable for substantial noninfringing use.”
    • § 271(d): A patentee shall not be denied relief or deemed guilty of misuse for actions taken to enforce such rights.

    The Supreme Court in Dawson Chemical Co. v. Rohm & Haas Co., 448 U.S. 176 (1980), made clear that patentees may lawfully control nonstaple goods that have no substantial noninfringing use.

    Ingevity argued that its honeycombs were nonstaple and thus lawfully subject to control—even if that control suppressed competition in an unpatented goods market.

    The jury rejected that premise.

    Substantial Evidence of Staple Goods

    The central factual question was whether Ingevity’s honeycombs had “actual and substantial noninfringing uses.” The Federal Circuit affirmed the jury’s finding that they did.

    1. Documentary Sales Evidence

    BASF introduced Ingevity’s own internal records showing repeated sales of honeycombs for air-intake systems (a concededly noninfringing use), totaling more than 18,000 units across multiple years.

    Ingevity claimed those records were typographical errors. The jury was free to disbelieve that explanation—particularly where no corroborating evidence supported it.

    2. Technical Evidence

    BASF relied on:

    • The Park patent (covering Ingevity’s honeycomb manufacturing process), which disclosed air-intake use as an intended application, and
    • Expert testimony establishing suitability for air-intake systems.

    Ingevity offered no competing expert testimony demonstrating technical impossibility.

    3. “Substantial” Does Not Mean Majority

    Ingevity argued that 18,000 units were not “substantial” relative to total sales. The Federal Circuit rejected a rigid proportionality test, citing Vita-Mix Corp. v. Basic Holding, Inc., 581 F.3d 1317 (Fed. Cir. 2009), and In re Bill of Lading Transmission & Processing Sys. Patent Litig., 681 F.3d 1323 (Fed. Cir. 2012).

    “Substantial” does not require majority usage. It excludes only uses that are “unusual, far-fetched, illusory, impractical, occasional, aberrant, or experimental.”

    Recurring, commercially viable noninfringing uses met the standard.

    Once the product was deemed a staple, § 271(d) no longer shielded the tying conduct.

    Immunity: Noerr-Pennington and the Failed Reframing

    Ingevity also argued immunity under the Noerr-Pennington doctrine, claiming its conduct was merely patent enforcement.

    But the jury instructions explicitly distinguished:

    • Protected patent communications, from
    • Unlawful tying or exclusive dealing beyond the scope of the patent monopoly.

    By finding unlawful tying, the jury necessarily found conduct beyond mere enforcement.

    On appeal, Ingevity attempted to reframe its argument, asserting that even actual tying of staple goods was immune under Rohm & Haas. The Federal Circuit held this theory forfeited and unsupported.

    Charles Gideon Korrell notes that the court emphasized that no authority extends immunity to classic commercial tying conduct merely because a patent is involved.

    Antitrust Framework: Classic Tying

    Under Third Circuit law (applied here), tying requires:

    1. Two distinct products,
    2. Market power in the tying product, and
    3. A substantial effect on interstate commerce.

    The court cited Jefferson Parish Hospital Dist. No. 2 v. Hyde, 466 U.S. 2 (1984), and Illinois Tool Works Inc. v. Independent Ink, Inc., 547 U.S. 28 (2006), reinforcing that patent ownership does not automatically establish market power—but neither does it immunize leveraging that power into adjacent markets.

    Even a lawfully obtained patent monopoly cannot be expanded to control staple goods outside the patent’s scope.

    Damages: No Mandatory Disaggregation

    The jury awarded $28.3 million (trebled).

    Ingevity argued BASF failed to disaggregate damages attributable to unlawful tying from those caused by lawful patent enforcement.

    The Federal Circuit rejected that argument, citing:

    A plaintiff need only show that unlawful conduct was a “material or substantial cause” of injury.

    Where unlawful and lawful conduct are intertwined, the defendant “bears the risk of the uncertainty which [its] own wrong has created.”

    The jury was entitled to credit BASF’s expert testimony that disaggregation was infeasible.

    Strategic Takeaways

    Charles Gideon Korrell sees this case carrying several significant implications.

    1. Staple Goods Are a Dangerous Lever. If a component has substantial noninfringing uses, tying it to patent licenses is high-risk. The § 271(d) safe harbor evaporates.
    2. Internal Records Matter. Ingevity’s own spreadsheets and memos proved decisive. Internal “end use” designations can become antitrust evidence years later.
    3. Expert Silence Is Costly. Ingevity offered no technical expert to refute suitability for air-intake systems. The absence of rebuttal evidence allowed the jury to accept BASF’s narrative.
    4. Immunity Arguments Must Be Preserved. The Federal Circuit’s forfeiture holding underscores the importance of maintaining consistent legal theories from summary judgment through appeal.
    5. Damages Models Need Not Be Perfect. When unlawful tying affects price, access, and competitive positioning simultaneously, courts may permit aggregated damages models.

    The Mooted Patent Invalidity Issue

    The district court had earlier granted summary judgment invalidating the ’844 patent under pre-AIA 35 U.S.C. § 102(g). The Federal Circuit did not reach that issue.

    Because the jury’s tying verdict rendered the patent unenforceable—and the patent expired during appeal—the invalidity question was moot.

    Broader Implications for Licensing Strategy

    Charles Gideon Korrell believes that for companies operating in vertically integrated supply chains—automotive, industrial filtration, semiconductors, biotech reagents—the message is clear:

    • Conditioning licenses on exclusive purchases of staple components can trigger Sherman Act liability.
    • Patent enforcement communications are protected; commercial tying conduct is not.
    • Section 271(d) is a shield only when the tied product is truly nonstaple.

    This opinion reinforces the long-standing principle that patent rights define the boundary of lawful exclusion—and that stepping beyond that boundary can transform intellectual property leverage into antitrust exposure.

    The Federal Circuit’s analysis carefully harmonizes patent misuse doctrine, contributory infringement law, and antitrust tying jurisprudence without expanding immunity doctrines beyond established precedent.

    For practitioners structuring licensing programs, careful product classification analysis and clean separation of patent rights from commercial supply obligations are essential.

    The Federal Circuit’s decision in Ingevity Corp. v. BASF Corp. stands as a powerful reminder that the line between aggressive patent licensing and unlawful tying is policed not just by misuse doctrine—but by federal antitrust law itself.

    By Charles Gideon Korrell

  • Epic Games, Inc. v. Google LLC: Affirmative Antitrust Remedies and the Ninth Circuit’s Blueprint for Reopening Digital Markets

    Epic Games, Inc. v. Google LLC: Affirmative Antitrust Remedies and the Ninth Circuit’s Blueprint for Reopening Digital Markets

    The Ninth Circuit’s July 31, 2025 decision in Epic Games, Inc. v. Google LLC marks one of the most consequential appellate rulings on antitrust remedies in the modern platform economy. Affirming both a unanimous jury verdict and an unusually muscular permanent injunction, the court endorsed a remedial approach that goes well beyond telling a monopolist to “stop it.” Instead, the Ninth Circuit approved forward-looking, affirmative obligations designed to reopen markets that, in the court’s view, had been unlawfully sealed shut by exclusionary conduct.

    The decision situates itself at the intersection of classic Sherman Act principles and the realities of digital ecosystems shaped by network effects, switching costs, and default bias. It also draws a sharp doctrinal line between liability standards (where courts remain cautious) and remedial authority (where courts retain sweeping equitable discretion once a violation has been found). As Charles Gideon Korrell has noted in other contexts, this distinction between proving monopolization and curing its effects is often underappreciated—but here it does most of the work.

    Background: Epic, Fortnite, and the Android Ecosystem

    Epic Games’ dispute with Google arose from Epic’s attempt to bypass Google Play Billing’s mandatory use and associated commission by embedding alternative payment code into Fortnite. Google responded by removing Fortnite from the Play Store. Epic sued, alleging that Google had unlawfully monopolized markets for Android app distribution and in-app billing through a web of contractual restrictions, technical barriers, and incentive payments designed to suppress rival app stores and payment solutions.

    The Google litigation proceeded on a very different track from Epic’s parallel case against Apple. Whereas Epic v. Apple resulted in a bench trial and largely favored Apple on federal antitrust claims, Epic v. Google went to a jury. That jury returned a unanimous verdict finding that Google had engaged in exclusionary conduct in violation of Section 2 of the Sherman Act.

    Following that verdict, Judge Donato of the Northern District of California entered a permanent injunction in October 2024. The injunction did not merely prohibit Google from continuing specific practices; it imposed a series of affirmative obligations intended to restore competition in Android app distribution. Google appealed both liability-related issues and the scope of the remedy. The Ninth Circuit rejected Google’s arguments across the board.

    Market Definition and the Limits of Issue Preclusion

    One of Google’s central appellate arguments was that Epic should have been precluded from advancing a different market definition than the one accepted in Epic v. Apple. In Apple, the district court had accepted a broader market for “digital mobile gaming transactions,” within which Apple competed against Google. Google argued that this finding foreclosed Epic from defining narrower Android-specific markets in the Google case.

    The Ninth Circuit disagreed. Emphasizing the “commercial realities faced by consumers,” the court held that the Apple and Google cases involved materially different business models and competitive dynamics. Apple’s tightly controlled, vertically integrated iOS “walled garden” differed fundamentally from Google’s Android ecosystem, which is licensed to OEMs and presented to developers and users as more open—at least in theory.

    Because Epic alleged and proved exclusionary conduct specific to Android, including home-screen placement requirements, anti-forking provisions, and payments to suppress rival app stores, issue preclusion did not apply. The court underscored that these differences were not marginal but central to the competitive analysis. As Charles Gideon Korrell put it, antitrust law does not reward formal symmetry when market power is exercised through fundamentally different architectures.

    Jury Instructions and the Rule of Reason

    Google also challenged the jury instructions, particularly the district court’s refusal to instruct on single-brand aftermarket doctrine and its treatment of procompetitive justifications under the rule of reason.

    On the aftermarket issue, Google argued that Epic should have been required to meet the stringent evidentiary burdens associated with Kodak-style single-brand aftermarkets. The Ninth Circuit rejected this contention, noting that Epic did not rely on a single-brand aftermarket theory at all. Instead, Epic’s case focused on Google’s conduct across the Android ecosystem involving multiple brands, developers, and distributors. Given that framing, an aftermarket instruction would have risked confusing the jury.

    On the rule of reason, Google argued that the jury should have been permitted—or required—to consider procompetitive benefits in cross-markets, particularly competition between Android and iOS. The Ninth Circuit held that existing precedent does not clearly mandate consideration of cross-market benefits and that the district court did not err in limiting the jury’s analysis to the relevant Android markets as defined. Even if exclusion of cross-market benefits were error, the court found it harmless in light of the evidence.

    The Remedial Question: Prohibition Versus Affirmative Obligations

    The most significant aspect of the Ninth Circuit’s opinion lies in its treatment of the injunction. The remedies affirmed by the court included:

    – Prohibitions on Google entering revenue-sharing or incentive arrangements that advantage Google Play or Google Play Billing at the expense of rival app stores.
    – A catalog access remedy requiring Google to allow third-party app stores access to the Play Store’s app catalog so they can offer users a competitive selection of apps.
    – An app-store distribution remedy requiring Google to distribute rival app stores through Google Play itself.
    – Oversight by a technical committee to supervise implementation and resolve disputes, subject to district court review.

    Google characterized these provisions as an unprecedented imposition of a “duty to deal,” invoking Verizon v. Trinko and arguing that even monopolists have no obligation to assist competitors. The Ninth Circuit squarely rejected this framing.

    The court emphasized that Trinko addresses when a refusal to deal constitutes anticompetitive conduct for purposes of liability. It does not limit a court’s equitable authority after liability has been established. Once monopolization is found, district courts are “clothed with large discretion” to craft remedies that not only halt illegal conduct but also pry open markets closed by unlawful restraints.

    This distinction is critical. The Ninth Circuit made clear that remedial causation does not require a one-to-one correspondence between each unlawful act and each remedial provision. Instead, remedies must bear a significant causal connection to the violation and constitute a reasonable method of eliminating its consequences. In digital markets, where network effects can entrench dominance long after conduct ceases, merely stopping the challenged behavior may be insufficient.

    Addressing Digital Market Realities

    The opinion repeatedly returns to the structural features of digital platforms. Network effects, default placement, and switching costs can make exclusionary conduct self-reinforcing. Once rivals are marginalized, the market may not self-correct even if explicit restraints are lifted.

    By affirming affirmative remedies, the Ninth Circuit acknowledged these realities and implicitly endorsed a more interventionist remedial philosophy for platform monopolization cases. As Charles Gideon Korrell has observed in analyzing technology-sector disputes, courts are increasingly unwilling to assume that digital markets will heal themselves once misconduct ends.

    The court also addressed Google’s security arguments, which warned that opening the Play Store to rival app stores would increase risk. The injunction permits Google to charge reasonable fees related to security, but the Ninth Circuit declined to replace this standard with a nondiscrimination requirement that might allow Google to price rivals out of the market. Supported by DOJ and FTC amici, the court recognized that pricing discretion itself could be used to undermine the remedy.

    Broader Implications for Antitrust Enforcement

    Epic v. Google is likely to reverberate well beyond the Android ecosystem. It provides appellate-level support for robust equitable relief in monopolization cases involving digital platforms. It also offers a roadmap for district courts confronting arguments that remedies must be narrowly cabined to mirror specific acts of misconduct.

    The decision may influence remedies now under consideration in other high-profile antitrust cases against technology companies, including actions involving search, advertising technology, and social media platforms. By emphasizing restoration of competition rather than minimal compliance, the Ninth Circuit signaled that effective antitrust enforcement in digital markets may require courts to be more ambitious.

    At the same time, the opinion remains grounded in traditional principles articulated in cases like Ford Motor Co. v. United States, reaffirming continuity rather than rupture. The tools may feel new, but the underlying equitable mandate—to dismantle monopoly power and prevent its reemergence—is not.

    Conclusion

    The Ninth Circuit’s decision in Epic Games, Inc. v. Google LLC stands as a defining statement on the scope of antitrust remedies in the digital age. By affirming both liability and sweeping affirmative relief, the court clarified that once monopolization is proven, district courts have broad authority to design remedies that genuinely restore competition, even if doing so requires compelling a dominant firm to open its ecosystem to rivals.

    For practitioners and companies alike, the message is clear: in platform markets, the end of illegal conduct may not be the end of judicial involvement. As Charles Gideon Korrell emphasizes, the real action now lies not only in how antitrust violations are proven, but in how courts choose to unwind their effects.

    By Charles Gideon Korrell

  • Ericsson v. Lenovo: The Federal Circuit Revisits SEP Licensing and Injunctions

    In a major decision involving standard-essential patents (SEPs) and international licensing disputes, the Federal Circuit vacated a district court’s denial of an antisuit injunction requested by Lenovo against Ericsson. The case revolves around fair, reasonable, and non-discriminatory (FRAND) licensing commitments, the enforcement of foreign patent injunctions, and how U.S. courts handle international patent disputes.

    Background: The SEP Dispute Between Ericsson and Lenovo

    Ericsson and Lenovo both own patents essential to the 5G wireless communication standard, known as SEPs (Standard-Essential Patents). As members of the European Telecommunications Standards Institute (ETSI), both companies have agreed to license their SEPs under FRAND terms, meaning they must negotiate in good faith and offer fair, reasonable, and non-discriminatory licenses.

    When negotiations for a global cross-license between Ericsson and Lenovo failed, both parties initiated legal action:

    • Ericsson sued Lenovo in the U.S., claiming Lenovo was infringing its U.S. 5G SEPs and had breached its FRAND commitment by refusing to negotiate in good faith.
    • Lenovo sued Ericsson in the U.K., asking the British court to determine a fair global licensing rate.
    • Ericsson sought and obtained patent injunctions in Colombia and Brazil, preventing Lenovo from selling products that allegedly infringed Ericsson’s SEPs in those countries.

    In response, Lenovo asked a U.S. court to issue an antisuit injunction, which would block Ericsson from enforcing its foreign patent injunctions. The district court denied Lenovo’s request, and Lenovo appealed to the Federal Circuit.

    Key Patent Law Issues Addressed by the Federal Circuit

    1. Can a U.S. Court Stop a Foreign Patent Injunction?

    Lenovo argued that Ericsson’s FRAND commitment prevented it from seeking SEP-based injunctions in Colombia and Brazil until it had negotiated in good faith. Since the U.S. case was already addressing whether Ericsson complied with its FRAND obligations, Lenovo claimed a U.S. court ruling would resolve the international dispute—meaning an antisuit injunction was justified.

    The Federal Circuit agreed that the district court applied the wrong legal standard in denying Lenovo’s request. It emphasized that a key question was whether the U.S. case would determine if Ericsson’s foreign injunctions were improper under the FRAND framework.

    2. What Does “Dispositive” Mean in Antisuit Injunction Cases?

    For a U.S. court to issue an antisuit injunction, it must find that the domestic case will resolve (or be “dispositive of”) the foreign dispute. The district court held that Lenovo had to prove the U.S. case would definitely result in a global license agreement. The Federal Circuit disagreed, stating that the key issue was whether the U.S. case would determine whether Ericsson could seek foreign patent injunctions—not whether a final license deal would be reached.

    3. SEP Holders and Injunctions: When Are They Allowed?

    A major issue in SEP litigation is when, if ever, an SEP holder can seek an injunction. Lenovo argued that a company making a FRAND commitment should only be allowed to seek an injunction after proving it negotiated in good faith. The Federal Circuit agreed that injunctions should not be allowed unless the SEP holder first fulfills its FRAND obligations.

    This aligns with previous cases, such as Microsoft v. Motorola, where a court stopped an SEP holder from enforcing a German injunction until a U.S. court determined whether it had negotiated a FRAND license properly.

    4. The Role of International Comity

    The decision also addressed whether blocking a foreign injunction would interfere with the authority of courts in Colombia and Brazil. The Federal Circuit emphasized that enforcing contractual FRAND obligations was different from interfering with foreign patent laws. Since Ericsson agreed to global FRAND commitments, a U.S. court could enforce those commitments without overstepping its bounds.

    Outcome and What Comes Next

    The Federal Circuit vacated the district court’s denial of Lenovo’s request for an antisuit injunction and sent the case back for further proceedings. However, this does not mean the antisuit injunction will automatically be granted—rather, the district court must now apply the correct legal framework.

    Why This Case Matters

    This ruling clarifies that:

    • SEP holders like Ericsson must honor their FRAND commitments before seeking injunctions.
    • A U.S. case addressing FRAND compliance can justify blocking foreign patent injunctions.
    • Lenovo v. Ericsson reinforces the Microsoft v. Motorola precedent, affirming that SEPs come with licensing obligations that affect enforcement rights worldwide.

    For companies involved in wireless technology and SEP licensing, this decision is a major development in balancing patent enforcement rights with global licensing obligations. It signals that courts will hold SEP holders accountable for their commitments, limiting their ability to use foreign injunctions as leverage in licensing negotiations.

    Post by Charles Gideon Korrell