US PTAB IP Litigation

Phison Electronics Corporation v.Vervain, LLC

· IPR2025-00213

The PTAB denied Phison Electronics’ request to institute a post‑grant review of Vervain’s ’612 NAND‑flash memory patent, finding the challenger’s unpatentability arguments unpersuasive.

Phison Electronics Corporation v.Vervain, LLC

· IPR2025-00213

Phison Electronics has filed a post‑grant review petition seeking cancellation of Vervain’s 11,830,546 NAND‑flash memory patent. The petition alleges lack of patent‑eligible subject matter, insufficient written description, indefiniteness, and obviousness over prior art. The Board must decide whether to institute the review.

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

Court decision.

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

RØDE Microphones challenges Zaxcom’s 7,711,443 patent, arguing that prior IPR invalidations render the claim unpatentable and that the Board correctly applied the Fintiv factors. The petition seeks denial of the patent owner’s request for Director review.

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

The PTAB denied Rode Microphones' request for Director Review of the institution decisions in three IPRs, including the challenge to Zaxcom's microphone patent (7,929,902). The institution rulings therefore remain in force.

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

The PTAB denied Rode Microphones' request for Director Review of the institution decisions in three IPRs, including the 7,711,443 patent owned by Zaxcom. The institution rulings therefore remain in effect.

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

Court decision.

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

The USPTO Director denied Rode Microphones' request to review the vacated institution decision in IPR2025-00231, keeping the proceeding dismissed.

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

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.

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

Court decision.

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

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

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

Court decision.

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

Court decision.

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

Court decision.

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

RØDE Microphones and Freedman Electronics have filed an IPR petition seeking to invalidate 14 claims of Zaxcom’s ’902 patent on obviousness grounds, citing prior‑art references and earlier PTAB findings.

Phison Electronics Corporation v.Vervain, LLC

· IPR2025-00213

Phison Electronics has filed an IPR petition seeking to invalidate all 15 claims of Vervain’s ’385 patent on the basis that the hybrid SLC‑MLC flash architecture and its wear‑leveling features are obvious over prior art such as Gavens, Moshayedi and Sutardja.

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

RØDE Microphones has filed an IPR petition seeking cancellation of 17 claims of Zaxcom’s ’443 patent, arguing obviousness over a combination of six prior‑art references and urging the PTAB to institute the review.

Embody, Inc. et al. v.LifeNet Health

· IPR2025-00249

Embody and Zimmer Biomet have filed an IPR petition seeking cancellation of claims 1‑8 of LifeNet Health’s 11,318,227 patent covering electrospun collagen scaffolds. They argue obviousness and anticipation based on Huang2, Kuo, and Lee, and request institution of the review.

Embody, Inc. et al. v.LifeNet Health

· IPR2025-00248

Embody and Zimmer Biomet have filed an IPR seeking cancellation of all 12 claims of LifeNet Health’s 2018 scaffold patent, arguing anticipation by earlier academic publications and obviousness. The petition emphasizes strong discretionary factors favoring institution.

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

RØDE Microphones and Freedman Electronics have filed an IPR petition seeking cancellation of 11 claims of Zaxcom’s ’207 patent, arguing obviousness over four prior‑art references and invoking collateral estoppel from earlier PTAB decisions.

Embody, Inc. et al. v.LifeNet Health

· IPR2025-00249

Embody, Inc. challenged LifeNet Health's tissue engineering patent (11318227) based on anticipation and obviousness. The PTAB instituted trial on all eight claims after finding merit in the petitioner’s arguments regarding fiber alignment and FFT analysis.

Embody, Inc. et al. v.LifeNet Health

· IPR2025-00248

Embody and Zimmer Biomet successfully secured institution in this IPR against LifeNet Health's '223 patent. The Board found a reasonable likelihood that claims related to collagen scaffolds with specific FFT analysis characteristics are unpatentable over prior art references like Huang2 and Lee.

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

The PTAB Institute Decision granted trial for Rode Microphones and Freedman Electronics against Zaxcom regarding wireless audio recording systems. The Board found that the Petitioner successfully demonstrated a reasonable likelihood of prevailing on at least one claim, despite procedural hurdles related to parallel district court litigation.

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