US PTAB IP Litigation

Eunsung Global Corp. v.HydraFacial LLC et al.

· IPR2025-00445

Eunsung Global and HydraFacial filed a joint motion to terminate IPR2025-00445 after reaching a settlement that resolves all disputes over U.S. Patent 9,550,052. The Board has not issued a final decision, and the parties request dismissal of the proceeding.

Berkshire Hathaway Energy Company et al. v.MES, Inc.

Berkshire Hathaway Energy and its affiliates challenge Birchtech's patent on mercury control, arguing the PTAB is the proper forum and that the Director’s review request should be denied. The petitioners contend there are no settled expectations, no time‑bar issues, and no undisclosed parties influencing the case.

Samsung Electronics Co., Ltd. et al. v.Cerence Operating Company

· IPR2025-00458

Samsung’s petitions for Director Review of PTAB institution denials in three IPRs involving Cerence’s patent were denied, leaving the institution decisions intact.

PacifiCorp et al. v.MES, Inc.

· IPR2025-00425

BirchTech Corp. and WEC Energy Group have settled their dispute over U.S. Patent 10,589,225, prompting a joint motion to terminate the inter partes review. The motion cites statutory requirements under 35 U.S.C. §317 and argues that no merits decision has been rendered.

Berkshire Hathaway Energy Company et al. v.MES, Inc.

BirchTech Corp. requests Director Review of the PTAB’s decision to institute an IPR against its 10,668,430 patent, arguing the case should be handled in an existing MDL and that the Board misapplied the privity analysis under 35 U.S.C. §315(b).

Berkshire Hathaway Energy Company et al. v.MES, Inc.

WEC Energy Group and BirchTech have settled their IPR dispute over U.S. Patent 10,668,430 and jointly request the PTAB keep the settlement agreement confidential under statutory authority.

EP Family Corp. v.Office Kick Inc.

· IPR2025-00471

EP Family Corp. and Office Kick Inc. settled their IPR dispute before trial, leading the PTAB to terminate the proceeding and keep the settlement confidential.

Berkshire Hathaway Energy Company et al. v.MES, Inc.

Petitioners and Birchtech have settled their disputes over U.S. Patent 10,668,430, prompting a joint motion to terminate the IPR for Interstate Power & Light and Wisconsin Power & Light.

Samsung Electronics Co., Ltd. et al. v.Four Batons Wireless, LLC

· IPR2025-00493

The PTAB Director denied Samsung’s request for review of the institution denial in IPR2025-00493 concerning patent 7,502,348. The decision upholds the earlier refusal to institute the IPR.

PacifiCorp et al. v.MES, Inc.

· IPR2025-00424

Utility affiliates of Berkshire Hathaway Energy settled multiple PTAB IPRs, leading to the termination of the cases for the settling parties while the Board kept the proceedings open for the remaining petitioners.

Zhuhai CosMX Battery Co., Ltd. v.Ningde Amperex Technology Ltd.

· IPR2025-00431

Zhuhai CosMX Battery challenges Ningde Amperex Technology's lithium‑ion battery patent, arguing that the claimed electrolyte ratios and electrode compaction ranges are obvious in view of Zeng, Sunose, Matsuoka, Kim and other references. The petitioner seeks a finding that all 17 claims are unpatentable.

Dabico Airport Solutions Inc. et al. v.AXA POWER APS et al.

· IPR2025-00408

AXA Power defends the USPTO Director's discretionary denial of Dabico's IPR petition, arguing the Director acted within broad authority under 35 U.S.C. § 314(a) and applied a holistic assessment. The Patent Owner contends the petitioner misapplies the review standard and seeks denial of the request for Director Review.

Mercedes-Benz Group AG et al. v.Phelan Group, LLC

· IPR2025-00413

Mercedes-Benz and Phelan Group jointly moved to terminate IPR2025-00413 after reaching a settlement that resolves all disputes over Patent No. 9,045,101. The Board had previously instituted the review, but the parties seek early termination to conserve resources.

Dabico Airport Solutions Inc. et al. v.AXA POWER APS et al.

· IPR2025-00408

The PTAB denied Dabico Airport’s request for Director Review of a denied institution decision, leaving AXA Power’s patent in force.

LG Electronics, Inc. et al. v.Maxell, LTD.

· IPR2025-00444

LG Electronics and Maxell settled their dispute over U.S. Patent 8,736,729, leading the PTAB to dismiss the IPR before it was instituted.

Samsung Electronics Co., Ltd. et al. v.Cerence Operating Company

· IPR2025-00459

The PTAB Director denied Samsung’s request for Director Review of the institution denial on Cerence’s patent 8,825,486. The order confirms the original denial of institution.

Amazon.com et al. v.NL Giken Inc.

· IPR2025-00407

Amazon and its affiliates jointly moved with NL Giken to terminate IPR2025-00407 over U.S. Patent 8,677,391 after reaching a confidential settlement. The motion cites public‑policy reasons favoring settlement and notes the institution decision is still pending.

Samsung Electronics Co., Ltd et al. v.HEADWATER PARTNERS II LLC

· IPR2025-00426

Samsung and several major carriers settled their inter partes review of Headwater’s wireless patent, leading the PTAB to terminate the proceeding and keep the settlement terms confidential.

Zhuhai CosMX Battery Co., Ltd. v.Ningde Amperex Technology Ltd.

· IPR2025-00405

The PTAB denied Zhuhai CosMX Battery’s petition for inter partes review of Ningde Amperex’s lithium‑battery electrolyte patent, finding no reasonable likelihood of success on any claim.

Samsung Electronics Co., Ltd. et al. v.Cerence Operating Company et al.

· IPR2025-00457

The USPTO Director denied Samsung’s request for a review of the earlier decision that refused to institute an IPR against Cerence’s patent 7,680,334. The denial leaves the institution decision unchanged.

C.R. Bard, Inc. et al. v.Medline Industries, LP

· IPR2025-00401

C.R. Bard's IPR challenge to Medline Industries' patent was terminated after the parties reached a settlement, with the Board granting a joint motion to dismiss before instituting the trial.

Ericsson Inc et al. v.HEADWATER PARTNERS II LLC

· IPR2025-00404

Ericsson and Nokia have entered a covenant not to sue with Headwater, filing a joint motion to terminate IPR2025-00404 covering LTE patent 9,413,502. The Board is asked to end the proceeding under 35 U.S.C. §317(a).

PacifiCorp et al. v.MES, Inc.

· IPR2025-00425

MidAmerican Energy Company and PacifiCorp jointly moved to terminate IPR 2025-00425 and requested that the settlement agreement with Birchtech Corp. be kept confidential under statutory provisions.