US PTAB IP Litigation

Comcast Corporation et al. v.Entropic Communications LLC

· IPR2024-00438

Comcast argues that Entropic’s request for Director Review of the IPR’s Final Written Decision should be denied because the Patent Owner failed to provide relevant evidence and raised no valid procedural or legal grounds.

Comcast Corporation et al. v.Entropic Communications LLC

· IPR2024-00438

Comcast opposes Entropic Communications' request to submit new exhibits after PTAB final decisions, arguing the request is untimely and unsupported. The petition seeks denial of the exhibit submission.

Comcast Corporation et al. v.Entropic Communications LLC

· IPR2024-00435

Comcast submits an authorized response urging denial of Entropic’s request for Director Review of the IPR’s Final Written Decision, asserting no abuse of discretion and that the Board’s explanation of the Zhang reference satisfies the required memorandum.

Comcast Corporation et al. v.Entropic Communications LLC

· IPR2024-00435

Entropic Communications requests Director review of a PTAB decision that found its television channel‑selection patent unpatentable. The owner argues the Board ignored prior examiner and reexamination findings, violating a recent Director memorandum.

Comcast Corporation et al. v.Entropic Communications LLC

The PTAB denied Comcast's request for Director Review of the Final Written Decision in IPR2024-00432 (and related IPRs), leaving the Board's original decision in place.

Comcast Corporation et al. v.Entropic Communications LLC

Comcast successfully opposed Entropic’s Director Review request, arguing the Board’s decision already met procedural requirements and that Entropic’s late arguments were waived. The request was denied.

Krisp Technologies, Inc. v.Sanas.AI, Inc.

· IPR2026-00273

Krisp Technologies has filed an IPR petition challenging Sanas.ai’s U.S. Patent No. 12,125,496 covering neural‑network‑based voice enhancement. The petition asserts that all 20 claims are obvious over a combination of prior‑art references and proposes a specific construction for the term “low‑dimensional representation.”

Comcast Corporation et al. v.Entropic Communications LLC

Comcast has petitioned the PTAB Director to review a decision that found Entropic Communications’ channel‑selection patent invalid. The Patent Owner argues the Board ignored earlier reexamination findings on the same Zhang reference, violating the Director’s memorandum.

Ilooda Co., Ltd. et al. v.Serendia, LLC

· IPR2024-00463

Ilooda and Serendia have filed a joint motion to terminate Ilooda’s participation in an IPR over U.S. Patent 10,869,812, citing a settlement of their dispute. The Board has not yet ruled on institution, and the parties also request the settlement be kept confidential.

Comcast Corporation et al. v.Entropic Communications LLC

Comcast opposes Entropic Communications' request to file new exhibits after PTAB final decisions in three IPRs, arguing the request is untimely and unsupported. The board has been asked to deny the request.

patent all challenged claims unpatentable

CISCO SYSTEMS, INC. v.UMBRA TECHNOLOGIES LTD.

· IPR2024-00270

The PTAB denied Cisco's request for Director Review of the institution decision in IPR2024-00270 concerning Umbra's patent.

Apple, Inc. v.THL Holding Company, LLC

· IPR2024-00400

Apple’s IPR against THL Holding’s patent 11,350,246 concluded with an adverse judgment after the patent owner disclaimed all challenged claims. The Board entered judgment against claims 20‑27 and terminated the proceeding.

patent terminated or settled

Edwards Lifesciences Corp et al. v.Aortic Innovations LLC

· IPR2024-00390

Edwards Lifesciences filed a motion to dismiss an inter partes review of its aortic valve patent, arguing the case is pre‑institution and barred by a prior infringement lawsuit. The Board is asked to terminate the proceeding without a decision.

TransCore LP v.Hand Held Products, Inc.

· IPR2024-00391

TransCore and Hand Held Products entered a confidential settlement and jointly moved to terminate IPR2024-00391 concerning U.S. Patent 8,141,784. The Board has not yet decided the merits, and the parties request termination to conserve resources.

Ilooda Co., Ltd. et al. v.Serendia, LLC

· IPR2024-00386

Serendia and EndyMed jointly filed a request to keep their settlement agreement confidential under federal law, seeking to separate it from the patent record.

MICROSOFT CORPORATION et al. v.LiTL LLC

· IPR2024-00457

The USPTO denied Microsoft’s request for Director review of the PTAB’s decision denying institution of IPR2024-00457 (and the related IPR2024-00458). The denial leaves the institution refusal in place.

Ilooda Co., Ltd. et al. v.Serendia, LLC

· IPR2024-00386

Serendia and Jeisys Medical jointly filed a request to keep their settlement agreement confidential under 35 U.S.C. §317(b), seeking to separate it from the patent record.

Jeisys Medical Inc. et al. v.Serendia, LLC

· IPR2024-00384

Jeisys Medical settled with SHEnB and Cartessa respondents during its IPR against Serendia, leading to a motion to suspend the schedule.

patent terminated or settled

lululemon usa inc. et al. v.Nike, Inc.

· IPR2024-00460

The USPTO denied Lululemon's request for Director Review of the Final Written Decision in IPR2024-00460 concerning Nike's footwear patent 8,266,749. The order contains no substantive analysis of the patent claims.

Jeisys Medical Inc. et al. v.Serendia, LLC

· IPR2024-00384

The Board granted a joint motion to terminate the IPR only for Jeisys Medical Inc. after a settlement with Serendia, while EndyMed remains as a petitioner. The settlement agreement was ordered confidential.

Krisp Technologies, Inc. v.Sanas.AI, Inc.

· IPR2026-00272

Krisp Technologies has filed an Inter Partes Review petition challenging Sanas.AI’s U.S. Patent No. 11,948,550, which claims a machine‑learning system for real‑time accent conversion. The petitioner alleges obviousness over six prior‑art references and proposes a specific claim construction for “fourth audio data representative of.”

Comcast Corporation et al. v.Entropic Communications LLC

· IPR2024-00446

The PTAB Director has received a review request from the patent owner in IPR2024-00446. Comcast may file a 15‑page response limited to the issues raised, with no new evidence allowed.