US PTAB IP Litigation

patent all challenged claims unpatentable

Rode Microphones, LLC et al. v.Zaxcom, Inc.

· IPR2025-00232

Director Review requests have been filed for three IPRs involving Rode Microphones and Zaxcom’s wireless microphone patent. Rode must respond within five business days with a brief, issue‑limited filing.

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

· IPR2025-00001

The PTAB held that Samsung’s challenge to Netlist’s ’595 memory‑module patent succeeded; all 24 claims were found obvious over a combination of prior‑art references and thus unpatentable.

American Axle & Manufacturing, Inc. et al. v.Neapco Components, LLC

· IPR2025-00091

American Axle and Neapco Components settled their dispute and jointly moved to terminate IPR2025-00091 covering a drivetrain patent.

Liberty Energy Inc. et al. v.U.S. Well Services, LLC

· IPR2025-00139

Liberty Energy and U.S. Well Services settled their IPR dispute over patent 11,208,878, resulting in a joint motion to terminate the proceeding. The Board granted termination and kept the settlement confidential.

American Axle & Manufacturing, Inc. et al. v.Neapco Components, LLC

· IPR2025-00090

American Axle and Neapco Components entered a settlement that led to the joint termination of two inter partes review proceedings. The Board granted the motion, treating the settlement agreement as confidential business information.

American Axle & Manufacturing, Inc. et al. v.Neapco Components, LLC

· IPR2025-00091

American Axle and Neapco Components jointly moved to terminate two IPRs after reaching a settlement, and the Board granted the termination under 35 U.S.C. § 317.

American Axle & Manufacturing, Inc. et al. v.Neapco Components, LLC

· IPR2025-00090

American Axle and Neapco have filed a joint motion asking the PTAB to keep their settlement agreement confidential and separate from the patent file in IPR2025‑00090.

American Axle & Manufacturing, Inc. et al. v.Neapco Components, LLC

· IPR2025-00090

American Axle and Neapco have settled their dispute over U.S. Patent 11,434,958 and jointly moved to terminate the pending IPR. The Board is asked to end the proceeding under settlement provisions of the patent law.

Abbott Laboratories et al. v.MIRACOR MEDICAL SA

· IPR2025-00115

The PTAB denied Director Review requests for three IPR institution decisions, including IPR2025-00115 concerning patent 11,674,517 owned by Miracor Medical and challenged by Abbott Laboratories. The institution decisions therefore remain in effect.

Ericsson Inc. et al. v.Pegasus Wireless Innovation LLC

Ericsson, Nokia, AT&T, Verizon, Google, and T‑Mobile jointly request that the Board treat their settlement with Pegasus as confidential and terminate the IPR over the ’463 patent, citing that all disputes have been resolved.

Ericsson Inc. et al. v.Pegasus Wireless Innovation LLC

Ericsson, KT, and Pegasus have settled their dispute over U.S. Patent 10,638,463 and seek to terminate the IPR as to Ericsson. The motion relies on 35 U.S.C. §317(a) and emphasizes public‑policy benefits of settlement.

Ericsson Inc. et al. v.Pegasus Wireless Innovation LLC

Ericsson, Nokia, Google and other carriers have moved to partially terminate an IPR over Pegasus’s 5G carrier‑aggregation patent after executing binding term sheets with the patent owner and dismissing related district‑court cases.

Cellco Partnership d/b/a Verizon Wireless et al. v.Pegasus Wireless Innovation LLC

· IPR2025-00137

The PTAB denied Verizon and co‑petitioners' request for Director Review of the institution decisions in multiple IPRs, including the case covering patent 11,540,272.

Ericsson, Inc. v.Motorola Mobility LLC

· IPR2025-00174

Ericsson and Motorola Mobility settled their IPR dispute before trial, leading the PTAB to dismiss the petition and terminate the proceeding.

Cellco Partnership d/b/a Verizon Wireless et al. v.Pegasus Wireless Innovation LLC

· IPR2025-00137

Pegasus Wireless Innovation LLC filed an authorized response opposing Verizon and other carriers’ request for Director Review of the PTAB’s denial to institute an IPR on patent 11,540,272. The response asserts the request lacks statutory basis and introduces impermissible new arguments.

TCL Industries Holdings Co., Ltd. v.Maxell, Ltd.

· IPR2025-00135

Maxell opposes TCL's IPR petition on U.S. Patent 10,219,020, arguing the prior art does not teach key claim limitations and that discretionary factors favor denying institution.

Aardevo North America, LLC et al. v.Agventure B.V.

· IPR2025-00136

Petitioner Aardevo North America filed a Director Review request in IPR2025-00136 concerning patent 11140841 owned by Agventure B.V. The Board has invited the patent owner to submit a brief, five‑page response limited to the issues raised.

Comcast Cable Communications, LLC et al. v.Entropic Communications, LLC

· IPR2025-00180

Comcast and Entropic Communications filed a joint motion to terminate IPR2025-00180 after reaching a settlement that resolves all disputes over the ’275 cable‑technology patent. The Board is asked to dismiss the proceeding under 35 U.S.C. §317.

Ericsson Inc. et al. v.Pegasus Wireless Innovation LLC

Ericsson, KT and Pegasus have settled their dispute over U.S. Patent 10,638,463 and filed a joint motion to partially terminate the IPR against Ericsson. The Board has not yet decided the merits, and the parties argue that settlement warrants termination under 35 U.S.C. § 317.

Comcast Cable Communications, LLC et al. v.Entropic Communications, LLC

· IPR2025-00180

Comcast defends its three parallel IPR petitions against Entropic Communications, asserting they comply with PTAB guidance and are essential for addressing multiple invalidity grounds. The response urges the Director to reject the Patent Owner’s request for review.

Liberty Mutual Insurance Company et al. v.Intellectual Ventures I

· IPR2025-00200

Liberty Mutual and Intellectual Ventures settled their inter partes review disputes before any trial, leading the Board to terminate the three IPRs. The settlement agreements were treated as confidential business information.

Rode Microphones, LLC et al. v.Zaxcom, Inc.

· IPR2025-00230

The PTAB denied Rode Microphones’ request for Director Review of the vacated institution and dismissal of IPR2025‑00231 involving Zaxcom’s patent.

Garmin International, Inc. v.Cardiacsense LTD

· IPR2025-00195

Garmin and CardiacSense have settled their IPR dispute over U.S. Patent 7,980,998 and jointly request the Board keep the settlement agreement confidential, effectively moving to terminate the proceeding.