US PTAB IP Litigation

HighLevel, Inc. v.Etison LLC d/b/a ClickFunnels

· IPR2025-00234

HighLevel, Inc. challenges the PTAB’s denial of institution for its IPR against ClickFunnels, arguing the Board overstepped authority by applying a new §101‑based rule retroactively. The petitioner seeks Director Review to pause the decision pending the Federal Circuit’s appeal.

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

Rode Microphones has filed a Director Review petition asking the PTAB to vacate the institution of an IPR against Zaxcom’s microphone patent, arguing the Board erred in finding privity with its newly‑acquired subsidiary Lectrosonics. The petition contends that parent‑subsidiary relationships do not satisfy the Taylor exceptions used to bar the challenge.

Google LLC et al. v.Pegasus Wireless Innovation LLC

· IPR2025-00293

The PTAB denied Google’s request for Director Review of the institution denial in IPR2025‑00293 and related cases, leaving the institution decisions unchanged.

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

· IPR2025-00281

Berkshire Hathaway Energy’s petitioners and Birchtech Corp. have settled their dispute over U.S. Patent 10,596,517. They jointly move to terminate the IPR concerning WEC Energy Group, citing statutory requirements and public‑policy benefits of settlement.

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

The USPTO denied Rode Microphones' request for director review of the institution decisions in three IPRs, including the case involving patent 10,276,207. The institution decisions therefore remain in force.

Phison Electronics Corporation v.Vervain, LLC

· IPR2025-00215

The PTAB denied Phison's request for post‑grant review of claims 1‑6 of U.S. Patent 11,854,612, finding the petitioner failed to show any claim was likely unpatentable.

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

Zaxcom submitted a corrected response in IPR2025‑00231, fixing a misquoted exhibit reference and asking the Board to remove the earlier filing. No substantive changes were made to the arguments.

Phison Electronics Corporation v.Vervain, LLC

· IPR2025-00214

The PTAB denied Phison Electronics' request to institute a post‑grant review of Vervain's 11,854,612 patent covering mixed‑level NAND flash memory, finding the petitioner had not shown any claim to be unpatentable.

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

patent terminated or settled

RØDE microphones’ request for Director review of the termination of IPR 2025‑00231 was denied. The Board affirmed that Lectrosonics is a privy of RØDE, satisfying the §315(b) time‑bar and correctly applying Taylor exceptions.

patent instituted

Formycon AG v.Regeneron Pharmaceuticals, Inc.

· IPR2025-00233

Formycon secured an institution of IPR against Regeneron's VEGF‑antagonist formulation patent (10,464,992), covering claims 1‑18, after the Board found a reasonable likelihood of success.

Koki Holdings America Ltd. et al. v.Kyocera Senco Industrial Tools, Inc.

· IPR2025-00262

Koki Holdings and Kyocera Senco Industrial Tools reached a settlement and jointly moved to terminate IPR2025-00262 concerning U.S. Patent 10,478,954, requesting the settlement be kept confidential.

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

· IPR2025-00280

Berkshire Hathaway Energy’s power subsidiaries and patent owner Birchtech Corp. have settled their disputes over a emissions‑control patent. The parties filed a joint motion to terminate the inter partes review concerning Interstate Power & Light and Wisconsin Power & Light.

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

patent terminated or settled

Rode Microphones and Freedman Electronics seek Director Review of the PTAB’s decision to institute an IPR against Zaxcom’s 7,929,902 patent. They argue the Board ignored Guidance, settled expectations, and failed to rule on a motion to terminate, warranting denial of institution.

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

· IPR2025-00278

Berkshire Hathaway Energy and its affiliates moved to terminate IPR 2025-00278 after reaching a confidential settlement with Birchtech Corp. The parties seek to keep the settlement agreement sealed under statutory confidentiality provisions.

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

patent all challenged claims unpatentable

Zaxcom seeks Director Review of the PTAB’s institution decision for its 2019 microphone patent, arguing the Board misapplied discretionary considerations and ignored Guidance. The request targets claims 17‑19, 21‑23, 33‑34, 59‑60, and 66.

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

The PTAB held that all 14 challenged claims of Zaxcom’s ’307 patent are unpatentable, finding anticipation and obviousness over multiple prior‑art references, and granted Zaxcom’s motion to replace the cancelled claims with narrower substitute claims.

patent all challenged claims unpatentable

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

· IPR2025-00230

RØDE Microphones files a Director Review petition challenging the PTAB’s finding of privity with its newly‑acquired subsidiary Lectrosonics, arguing the Board misapplied the Taylor exceptions and violated due‑process. The petition seeks vacatur of the institution and dismissal of the IPR against Zaxcom’s ’902 patent.

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

The PTAB found all of Rode Microphones’ challenged claims of Zaxcom’s 8,385,814 patent unpatentable as obvious over a combination of prior‑art references, and granted Zaxcom’s motion to amend with new claims 50‑65.

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

· IPR2025-00230

Zaxcom seeks Director Review of the PTAB’s decision to institute an IPR against its 2010 microphone patent. The Patent Owner argues the Board misapplied discretionary considerations and Fintiv factors, ignoring settled expectations and the Director’s Guidance.

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

Rode Microphones filed an IPR petition challenging Zaxcom’s 9,336,307 patent. The petitioner contends that all 14 claims are obvious or anticipated over multiple prior‑art references and seeks cancellation of the entire patent.

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

RØDE Microphones and Freedman Electronics filed a corrected request for Director Review to fix a citation error and seek dismissal of an IPR against Zaxcom’s patent. No substantive changes were made to the original arguments.

patent terminated or settled

Microsoft Corporation et al. v.X1 Discovery, Inc.

· IPR2025-00253

The PTAB denied X1 Discovery’s request for an extension to file Director Review briefs in three IPRs against Microsoft, finding no good cause. The Board emphasized that prior case law does not excuse delayed filings.

CISCO SYSTEMS, INC. v.WSOU Investments LLC d/b/a Brazos Licensing and Development

· IPR2025-00241

Cisco and Brazos Licensing have settled their dispute over U.S. Patent 8,441,721, a fiber‑Raman amplifier invention, and jointly moved to terminate the inter partes review. The motion cites public‑policy reasons and statutory authority for termination.