Dolby Laboratories Licensing Corp. v. Unified Patents, LLC

Dolby Laboratories Licensing Corp. v. Unified Patents, LLC, an appeal heard by the U.S. Court of Appeals for the Federal Circuit (CAFC), centered on procedural standing issues arising from an inter partes review (IPR) before the Patent Trial and Appeal Board (PTAB). Dolby Laboratories Licensing Corp. (Dolby) is a prominent operating company and global intellectual property licensing powerhouse, renowned for its audio and imaging technologies like Dolby Atmos and Dolby Vision, with a business model heavily reliant on patent licensing. Unified Patents, LLC, on the other hand, is a member-based patent defense organization dedicated to deterring abusive patent assertions and improving patent quality, primarily by challenging patents through IPRs on behalf of its industry members.

The dispute originated when Unified Patents filed an IPR petition challenging claims 1, 7, and 8 of Dolby's U.S. Patent No. 10,237,577. This patent is directed to a prediction method utilizing an in-loop filter, a key technique for improving complex video encoding methods to reduce error and enhance compression efficiency, and is central to modern video codec standards such as HEVC and VVC. The patent is part of the HEVC Advance patent pool, with claims asserted as essential to the HEVC standard. While there was no "accused product" in the traditional sense of an infringement suit, Unified Patents alleged the patent's claims were unpatentable as anticipated and obvious. The PTAB ultimately sided with Dolby, finding that Unified Patents failed to prove the challenged claims unpatentable.

Despite prevailing on the merits of patentability before the PTAB, Dolby appealed the PTAB's decision to the Federal Circuit (Case No. 23-2110). The appeal, heard by Chief Judge Moore and Judges Clevenger and Chen, did not challenge the PTAB's substantive patentability findings. Instead, Dolby appealed the PTAB's refusal to adjudicate its assertion that Unified Patents failed to disclose all real parties in interest (RPIs) to the IPR. The Federal Circuit dismissed the appeal on June 5, 2025, on procedural grounds, holding that Dolby failed to establish an injury in fact sufficient to confer Article III standing to appeal. The court found Dolby's claims of harm, such as potential breaches of license agreements or improper estoppel in future proceedings, to be too speculative to meet the constitutional standing requirements, thus issuing no ruling on the substantive patentability questions.

This case is notable for several reasons, particularly regarding IPRs and Federal Circuit appellate jurisdiction. It underscores the strict application of Article III standing requirements, even for patent owners appealing PTAB decisions where they have largely succeeded on the merits. The Federal Circuit's ruling emphasized that a statutory right to appeal under the America Invents Act (AIA) does not circumvent the constitutional mandate for a concrete injury-in-fact. The case also highlights Unified Patents' strategy of challenging standard-essential patents in critical technology sectors like video codecs. Moreover, Dolby has since sought to petition the Supreme Court for certiorari, indicating the ongoing significance of the questions raised about informational rights for patent owners regarding IPR RPIs and the Federal Circuit's interpretation of standing.

Dolby Laboratories Licensing Corp. v. Unified Patents, LLC (CAFC Case No. 23-2110) involved an appeal from a Patent Trial and Appeal Board (PTAB) decision. The core legal developments centered on inter partes review (IPR) proceedings and, crucially, the patent owner's standing to appeal the PTAB's refusal to adjudicate real party in interest (RPI) disputes, rather than the patentability merits themselves.

Parallel PTAB IPR Proceedings & Outcome:

• IPR Petition Filing (2020-12-11): Unified Patents, LLC initiated an Inter Partes Review (IPR) petition against U.S. Patent No. 10,237,577, owned by Dolby Laboratories Licensing Corp.. Unified challenged claims 1, 7, and 8 of the patent, asserting they were anticipated and obvious based on prior art.
• Real Party in Interest (RPI) Dispute: In its petition, Unified certified itself as the sole real party in interest (RPI). However, Dolby identified nine other entities that it believed should also have been named as RPIs.
• PTAB's Decision on RPI and Patentability: The Patent Trial and Appeal Board (PTAB) declined to adjudicate the RPI dispute, both in its institution decision and its final written decision. The Board's practice, at the time, was to only adjudicate RPI disputes if they were material to issues like time-bar or estoppel, and it found no such evidence in this case, citing its then-precedential decision in SharkNinja Operating LLC v. iRobot Corp.. On the merits of patentability, the PTAB ultimately ruled in Dolby's favor, holding that Unified Patents failed to demonstrate that any of the challenged claims (1, 7, and 8) were unpatentable.

Federal Circuit Appeal (23-2110) & Outcome:

• Appeal Filing (2023-07-06): Dolby Laboratories Licensing Corp. appealed the PTAB's decision to the U.S. Court of Appeals for the Federal Circuit (CAFC), docketed as Case No. 23-2110. Dolby's appeal did not challenge the PTAB's patentability finding (which was favorable to Dolby), but rather its refusal to adjudicate the RPI dispute. Dolby argued that this refusal caused various harms, including potential breaches of license agreements, conflicts of interest, and improper estoppel in future proceedings.
• Standing Challenge: Unified Patents, as the appellee, and the United States Patent and Trademark Office (USPTO), as an intervenor, challenged Dolby's Article III standing to bring the appeal.
• CAFC Dismissal for Lack of Standing (2025-06-05): The Federal Circuit issued its decision, dismissing Dolby's appeal for lack of Article III standing. The court found that Dolby failed to establish an "injury in fact" sufficient to confer standing. The CAFC rejected Dolby's arguments that a statutory right to appeal as a "dissatisfied" party under 35 U.S.C. § 319 or an informational right under 35 U.S.C. § 312(a)(2) eliminated the injury-in-fact requirement. The court deemed Dolby's asserted harms, such as potential license breaches or future estoppel issues, to be too speculative, as no concrete evidence of actual or imminent injury was provided.
• No Ruling on Substantive Patentability: Due to the dismissal for lack of standing, the Federal Circuit did not address the merits of Dolby's substantive arguments regarding the RPI dispute or the underlying patentability of the '577 patent.

Subsequent Developments:

• Supreme Court Certiorari Petition (2025-12-21 / 2026-02-20): Following the Federal Circuit's dismissal, Dolby filed an application for an extension of time on December 21, 2025, and subsequently filed a petition for a writ of certiorari to the U.S. Supreme Court on February 20, 2026. Dolby seeks review of the Federal Circuit's standing decision, raising questions about whether a patent owner is injured by the PTAB's refusal to identify all RPIs and whether 35 U.S.C. § 314(d) bars judicial review of such decisions.
• USPTO Director's Action: A notable development mentioned in the context of Dolby's Supreme Court petition is that on September 26, 2025, USPTO Director John Squires de-designated SharkNinja Operating LLC v. iRobot Corp. as precedential. This decision, which had informed the PTAB's refusal to adjudicate RPI claims in Dolby's IPR, fundamentally changed the landscape and could provide Dolby with an argument for a remand to the PTAB to apply a different standard.

As of the current date, while the Federal Circuit dismissed the appeal on June 5, 2025, the legal challenge is ongoing through Dolby's petition for certiorari to the Supreme Court.

Dolby Laboratories Licensing Corp. was represented by the following counsel in its appeal to the U.S. Court of Appeals for the Federal Circuit and subsequent Supreme Court petition:

• Kayvan B. Noroozi

  • Role: Lead Counsel (argued before the Federal Circuit).
  • Firm: Noroozi PC
  • Office Location: Los Angeles, CA.
  • Experience Note: Noroozi PC specializes in Federal Circuit appeals. Kayvan Noroozi argued on behalf of Dolby Laboratories Licensing Corporation in the Federal Circuit case.

• Patrick Strawbridge

  • Role: Counsel of Record for the subsequent Supreme Court petition (25-1011), which arose from this Federal Circuit decision.
  • Firm: Consovoy McCarthy PLLC
  • Office Location: Boston, MA.
  • Experience Note: Patrick Strawbridge frequently represents clients in appellate matters, including before the U.S. Supreme Court, and was specifically listed as counsel for Dolby in its petition for certiorari related to the Federal Circuit's decision in this case.

Richard Epstein, located in Norwalk, CT, was also noted as being represented by Noroozi PC in the Federal Circuit opinion, though his specific role (e.g., in-house counsel, of counsel) is not explicitly detailed in the provided search results.

Unified Patents, LLC was represented by a team of attorneys from Haynes and Boone, LLP, and by in-house counsel.

Here is the counsel of record for Unified Patents, LLC:

• Angela M. Oliver

  • Role: Lead Counsel (argued for appellee)
  • Firm: Haynes and Boone, LLP, Washington, D.C.
  • Experience: Oliver is known for her appellate litigation practice, particularly before the U.S. Court of Appeals for the Federal Circuit, and frequently represents clients in inter partes review (IPR) proceedings.

• Adam Lloyd Erickson

  • Role: Counsel
  • Firm: Haynes and Boone, LLP
  • Experience: Erickson's practice focuses on patent litigation and appeals, representing clients in various technology sectors.

• Debra Janece McComas

  • Role: Counsel
  • Firm: Haynes and Boone, LLP, Dallas, TX
  • Experience: McComas is a highly experienced patent litigator, frequently handling complex intellectual property disputes and IPRs before the PTAB and appeals to the Federal Circuit.

• David L. McCombs

  • Role: Counsel
  • Firm: Haynes and Boone, LLP, Dallas, TX
  • Experience: McCombs is a recognized leader in patent litigation and post-grant proceedings, with extensive experience representing both patent owners and challengers in high-stakes cases.

• Roshan Mansinghani

  • Role: In-house Counsel
  • Firm: Unified Patents, LLC, Chevy Chase, MD
  • Experience: Mansinghani is part of Unified Patents' in-house legal team, involved in the strategic initiation and management of inter partes review proceedings.

• Jessica Leann Andersen Marks

  • Role: In-house Counsel
  • Firm: Unified Patents, LLC, Chevy Chase, MD
  • Experience: Marks contributes to Unified Patents' efforts in challenging patents through post-grant mechanisms and is involved in their legal strategy.