US PTAB IP Litigation

CISCO SYSTEMS, INC. v.UMBRA TECHNOLOGIES LTD.

· IPR2024-00497

Umbra has requested a Director Review of IPR2024-00497. Cisco may file a limited 15‑page response without new evidence, and the Director will decide on the request.

Samsung Electronics Co., Ltd. et al. v.Headwater Research LLC

· IPR2024-00341

Headwater Research LLC seeks Director review of an IPR decision that found all claims of its 2013 MMS messaging patent unpatentable. The patent owner contends the Board improperly relied on expert testimony because the cited prior art (TS-23.140) does not disclose the required agent communication bus. The request asks the Director to vacate the decision and terminate the IPR.

SHENZHEN PINCAN TECHNOLOGY CO., LTD v.The Ridge Wallet LLC

· IPR2024-00340

The Ridge Wallet and Shenzhen Pincan Technology have settled their dispute over U.S. Patent 10,791,808 and filed a joint motion to terminate the inter partes review.

National Beef Packing Company, LLC v.Institute for Environmental Health, Inc.

· IPR2024-00186

National Beef and Institute for Environmental Health have settled all disputes over four patents and filed a joint motion to terminate the pending IPRs. The Board is asked to grant termination under 35 U.S.C. § 317(a) per established precedent.

Samsung Electronics Co., Ltd. et al. v.Headwater Research LLC

· IPR2024-00342

Samsung and Google have filed a petition for Director Review after the PTAB denied institution of a second IPR covering all 30 claims of Headwater’s ’733 patent. They argue the denial was improper and that the Patent Owner’s stipulation fails to protect their products from future litigation.

Arm Ltd. v.ICPillar LLC

· IPR2024-00476

Arm Limited and ICPillar LLC jointly moved to terminate an IPR after reaching a settlement. The Board granted the termination and treated the settlement agreement as confidential business information.

Samsung Electronics Co., Ltd. et al. v.Headwater Research LLC

· IPR2024-00341

The PTAB denied Samsung and Google's request for Director Review of the Final Written Decision in IPR2024-00341 concerning patent 8,406,733.

Arm Ltd. v.ICPillar LLC

· IPR2024-00476

Arm and Icpillar have settled their IPR over U.S. Patent 8,924,899 and filed a joint motion to keep the settlement confidential, effectively ending the proceeding.

Good Sportsman Marketing, LLC v.--

· PGR2024-00034

Good Sportsman Marketing petitions the PTAB to invalidate Hangzhou ZH Tech’s ’855 patent covering a walkie‑talkie mount for earmuffs, asserting obviousness, indefiniteness, and lack of enablement/written description across all 19 claims.

Arm Ltd. v.ICPillar LLC

· IPR2024-00476

Arm Ltd. and patent owner ICPillar LLC have reached a settlement and jointly moved to terminate the inter partes review of U.S. Patent 8,924,899. The Board is asked to dismiss the proceeding under 35 U.S.C. § 317.

Tricam Industries, LLC v.--

· PGR2026-00044

Tricam Industries filed a PGR petition for U.S. Patent 12,359,506, providing a corrected exhibit list that includes prior patents and a related Federal Circuit case.

Daifuku Co., Ltd. et al. v.CLX Engineering

· IPR2024-00475

Daifuku and CLX Engineering settled their IPR dispute before any trial, resulting in a Board order terminating the proceeding and sealing the settlement agreement.

Daifuku Co., Ltd. et al. v.CLX Engineering

· IPR2024-00475

Daifuku and CLX Engineering have settled their dispute over U.S. Patent 11,386,602 and jointly moved to terminate the pending IPR. The Board is asked to dismiss the case on public‑policy grounds favoring settlement.

Monolithic Power Systems, Inc. v.Greenthread, LLC

· IPR2024-00470

Monolithic Power Systems argues that the PTAB correctly applied the prosecution history to the ‘aid the movement of carriers’ limitation and that Greenthread’s Director Review request merely repeats arguments already rejected. The petitioner seeks denial of the request to preserve the invalidity finding.

Micron Technology, Inc. et al. v.Netlist, Inc.

· IPR2024-00370

Micron filed a Director Review request challenging the PTAB’s denial to institute its IPR against Netlist’s memory‑interface patent. The petition argues the Board misapplied General Plastic discretionary denial factors to a me‑too petition.

Okta, Inc. et al. v.Thales DIS France SAS

· IPR2026-00278

Okta has filed an IPR petition seeking cancellation of all ten claims of Thales' ’982 patent covering biometric hash‑based authentication. The petition alleges obviousness over a combination of Starner, Leskovec, Shaashua, and Bowman references.

US Conec Ltd. v.Senko Advanced Components, Inc.

· IPR2024-00119

US Conec and Senko Advanced Components entered a settlement that led to the joint termination of multiple IPR proceedings, including the patent covering 11,415,760. The Board granted the termination and partially approved confidentiality of the settlement agreement.

patent instituted

Monolithic Power Systems, Inc. v.Greenthread, LLC

· IPR2024-00470

The PTAB instituted an IPR on claim 44 of Greenthread’s ’222 patent after finding a reasonable likelihood that Monolithic Power Systems would prevail, based on obviousness arguments over Onoda, Nishizawa, and Kawagoe.

Micron Technology, Inc. et al. v.Netlist, Inc.

· IPR2024-00370

The USPTO denied Micron's request for Director Review of the decision that had previously denied institution of its IPR against Netlist's patent. The original institution denial therefore stands.

Fifth Third Bank, National Association v.United Services Automobile Association

· IPR2026-00277

Fifth Third Bank has filed a petition to institute an IPR against US Patent 12,211,095 covering mobile check‑deposit technology. The petition alleges that all 30 claims are obvious over a combination of earlier mobile imaging references. It seeks cancellation of the entire patent.

Ericsson Inc. et al. v.XR COMMUNICATIONS LLC

· IPR2024-00314

The USPTO denied Ericsson and Nokia's request for Director Review of the institution denial in IPR2024-00314, leaving the original denial of institution intact.

CISCO SYSTEMS, INC. v.UMBRA TECHNOLOGIES LTD.

· IPR2024-00344

The USPTO denied Cisco's request for Director Review of the Final Written Decision in IPR2024-00344, leaving the earlier IPR outcome unchanged.

Monolithic Power Systems, Inc. v.Greenthread, LLC

· IPR2024-00469

Monolithic Power Systems argues that Greenthread’s request for Director Review should be denied because the Board’s interpretation of the claim term “aid” was correct and the arguments have already been rejected in prior proceedings.