Technology Information Law Blog by Charles Gideon Korrell

Tag: SEP

  • Optis Cellular Technology v. Apple Inc.: Federal Circuit Orders New Trial on Infringement and Damages Due to Unanimity Violation and Improper Evidence

    Optis Cellular Technology v. Apple Inc.: Federal Circuit Orders New Trial on Infringement and Damages Due to Unanimity Violation and Improper Evidence

    The Federal Circuit’s June 16, 2025, decision in Optis Cellular Technology, LLC v. Apple Inc., Nos. 2022-1904, 2022-1925, vacates a $300 million damages judgment in a high-stakes standard-essential patent (SEP) case and mandates a new trial on both infringement and damages. The court found that the Eastern District of Texas violated Apple’s constitutional right to a unanimous jury verdict and improperly admitted prejudicial evidence, including a large Apple-Qualcomm settlement. The ruling also carries broader implications for the treatment of abstract claims under § 101 and functional claim limitations under § 112 ¶ 6.

    Key Takeaway

    The Federal Circuit vacated both the infringement and damages verdicts because the jury verdict form failed to ensure unanimity on specific claims, and because the district court improperly admitted a high-dollar Apple-Qualcomm settlement agreement. The court also held two of the asserted claims invalid under § 101, reversed a § 112 ¶ 6 ruling, and rejected the patentee’s request to reinstate a previously set-aside $506 million award.

    Background

    Optis, asserting a suite of five LTE standard-essential patents, sued Apple in the Eastern District of Texas in 2019. After an initial trial in 2020, the jury awarded Optis $506.2 million in damages, finding infringement and willfulness. However, the trial court granted Apple a new trial on damages due to improper exclusion of FRAND evidence. A second trial in 2021 resulted in a $300 million lump-sum verdict.

    Apple appealed, challenging liability, damages, claim construction, and admissibility of certain evidence. Optis cross-appealed, seeking reinstatement of the original damages verdict.

    The Verdict Form and Jury Unanimity Violation

    The Federal Circuit held that the district court erred by using a single verdict question that asked whether Apple infringed “ANY of the asserted claims” without distinguishing between the five asserted patents. This structure permitted a finding of liability even if jurors disagreed on which patents were infringed, violating Apple’s right to a unanimous verdict under the Seventh Amendment and Federal Rule of Civil Procedure 48(b):

    “The verdict form instructed the jury to find Apple liable for infringement regardless of whether all jurors agreed that Apple was infringing the same patent.” (Slip op. at 15)

    Despite the parties’ joint request for patent-by-patent questions, the district court rejected that format. The Federal Circuit deemed this a clear legal error warranting vacatur of the liability judgment and a new trial.

    Damages Verdict Also Vacated

    Because liability was vacated, the court also vacated the $300 million damages verdict. Notably, the district court had instructed the jury to assume all five patents were infringed for purposes of damages—an instruction that now lacks any valid liability finding to support it.

    Further, the court held that the district court abused its discretion under FRE 403 by admitting a high-value Apple-Qualcomm settlement agreement and allowing Optis’s expert to rely on it:

    “[T]he probative value of the Apple-Qualcomm settlement agreement and Mr. Kennedy’s testimony concerning the same is substantially outweighed by the risk of unfair prejudice.” (Slip op. at 36)

    This agreement, which settled global disputes unrelated to the patents-in-suit, was deemed minimally probative and highly prejudicial.

    Patent Eligibility Under § 101

    The court reversed the district court’s denial of Apple’s § 101 motion on claims 6 and 7 of U.S. Patent No. 8,019,332, finding them directed to an abstract mathematical formula:

    “We conclude that the claims are directed to the abstract idea—a mathematical formula.” (Slip op. at 24)

    Charles Gideon Korrell notes that the Federal Circuit found the claims failed Alice step one and remanded for further proceedings on step two.

    Means-Plus-Function and § 112 ¶ 6

    In another reversal, the Federal Circuit held that the term “selecting unit” in claim 1 of U.S. Patent No. 8,411,557 invoked § 112 ¶ 6. It found “unit” to be a nonce term that fails to connote sufficient structure:

    “‘Selecting unit’ in the claim at issue here invokes § 112 ¶ 6.” (Slip op. at 31)

    The district court had relied on a prior Eastern District ruling, but the Federal Circuit found that opinion unpersuasive, particularly in light of Optis’s own assertion that the “unit” could be implemented in hardware or software. The matter was remanded to determine if the specification provides sufficient structure.

    Claim Construction Affirmed

    The court affirmed the construction of a key term in claim 8 of U.S. Patent No. 8,102,833, rejecting Apple’s argument that the mapping of ACK/NACK control signals required a specific start position.

    Optis’s Cross-Appeal Rejected

    Optis had sought reinstatement of the original $506.2 million award from the first trial, but the Federal Circuit dismissed the cross-appeal, concluding that:

    “[T]he first damages judgment presented the same verdict form issue… and thus cannot be reinstated.” (Slip op. at 36)

    Practical Implications

    This decision reinforces several critical points for SEP litigation and patent damages trials:

    1. Verdict Form Precision Matters: Patent plaintiffs must ensure verdict forms distinguish each asserted patent or claim to avoid violating the defendant’s right to unanimity.
    2. Evidence of Other Settlements Is Risky: Courts will scrutinize the use of large dollar-value settlements, especially when they involve different technologies or were driven by non-comparable litigation pressure.
    3. FRAND Damages Must Align with Liability: Damages awards must correspond to actual findings of infringement, particularly in FRAND cases.
    4. § 101 and § 112 Scrutiny Continues: The court’s reversals on patent eligibility and means-plus-function interpretation signal a continued willingness to invalidate improperly drafted claims—even in complex SEP disputes.

    Charles Gideon Korrell notes that the Federal Circuit’s opinion emphasizes procedural fairness as much as substantive patent doctrine. Charles Gideon Korrell also observes that the court’s insistence on clarity in verdict forms may drive future litigants to pay closer attention to the architecture of jury questions.

    Conclusion

    The Federal Circuit’s decision in Optis v. Apple is a comprehensive rebuke of multiple aspects of the trial court’s handling of a major SEP case. By ordering a new trial on both liability and damages and reversing several key legal rulings, the opinion sets important precedent for how SEP litigation should be conducted and how damages should be assessed.

    By Charles Gideon Korrell

  • Federal Circuit Overturns PTAB Decision in Honeywell v. 3G Licensing: A Victory for Obviousness Challenges

    On January 2, 2025, the Federal Circuit issued a significant ruling in Honeywell International Inc. v. 3G Licensing, S.A., reversing the Patent Trial and Appeal Board’s (PTAB) decision that upheld the validity of U.S. Patent No. 7,319,718. This ruling underscores the court’s approach to obviousness under 35 U.S.C. § 103 and highlights critical considerations in intellectual property disputes, particularly in standard-essential patents.

    Background: The ‘718 Patent and the CQI Coding Method

    The case centered around the ‘718 patent, which covers a method for encoding Channel Quality Indicator (CQI) data in third-generation (3G) mobile communication systems. CQI is used by mobile devices to inform base stations about network conditions, helping optimize data transmission rates.

    Honeywell and other appellants challenged the ‘718 patent in an inter partes review (IPR), arguing that the claimed method was obvious in light of prior art, particularly a proposal from Koninklijke Philips N.V. (the Philips reference). The PTAB, however, found that Honeywell failed to demonstrate a motivation to modify the Philips reference in the specific way claimed by the ‘718 patent.

    The Federal Circuit’s Analysis: Legal Issues in Patent Obviousness

    The Federal Circuit reversed the PTAB, concluding that its findings were legally flawed and unsupported by substantial evidence. The ruling focused on four major issues of patent law:

    1. Motivation to Modify Prior Art: Must It Match the Patentee’s Objective?

    The PTAB had determined that because the ‘718 patent aimed to maximize system throughput, there was no motivation for a skilled artisan to modify the Philips reference to enhance protection for the most significant bit (MSB). The Federal Circuit rejected this reasoning, reaffirming that obviousness does not require the motivation to match the patentee’s goal. Citing KSR International Co. v. Teleflex Inc., the court emphasized that any recognized need in the field—not just the inventor’s specific motivation—can support a finding of obviousness.

    2. Prior Art and the Role of Technical Modifications

    The court found that the Philips reference itself taught the desirability of protecting the MSB and that swapping two bits in the encoding table (as the ‘718 patent claimed) was a straightforward optimization. Because the modification merely involved a minor technical adjustment, it fell within the realm of routine experimentation and optimization rather than a novel innovation.

    3. Conflation of Obviousness and Anticipation

    The Federal Circuit criticized the PTAB for improperly treating the lack of an explicit proposal to swap the bits in the Philips reference as evidence of non-obviousness. The court clarified that while anticipation requires every element to be disclosed in a single prior art reference, obviousness merely requires that the claimed modification would have been a natural and logical step for a skilled person.

    4. The “Best Approach” Fallacy in Standards Development

    The PTAB had focused on the lack of consensus within the 3G standards-setting process regarding optimal CQI encoding methods. The Federal Circuit held that obviousness does not require a modification to be the “best” or “preferred” approach, only that it be a reasonable and predictable improvement.

    Implications for Patent Law and Standard-Essential Patents

    This decision reinforces the high bar for patentability in the face of well-documented prior art. Some key takeaways include:

    • Obviousness analysis should not be constrained by the inventor’s specific motivations but should consider broader industry knowledge.
    • Technical refinements and optimizations may not be patentable if they represent routine modifications of existing methods.
    • Standard-setting bodies’ debates do not necessarily shield patents from invalidity challenges—if an approach was reasonably suggested by prior art, it may still be deemed obvious.

    Conclusion

    The Federal Circuit’s decision in Honeywell v. 3G Licensing serves as a reminder that minor tweaks to well-known technologies, even when adopted into industry standards, may not be enough to sustain patent validity. As companies continue to litigate standard-essential patents, courts will likely scrutinize whether claimed inventions represent true innovation or merely expected refinements of prior art.

    This ruling is a win for companies challenging weak patents in high-tech industries and signals a continued shift toward a pragmatic and evidence-driven approach to patent law.

  • 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