Industry Sector

Audio recording systems — US PTAB Patent Cases

11 decisions indexed

Page 1 of 1 · 11 total

patent all challenged claims unpatentable

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

· IPR2025-00231

The PTAB held that claims 7, 8, 11, 12, 14, 15 of Zaxcom’s ’902 patent are unpatentable and granted Zaxcom’s motion to amend, replacing them with claims 21‑26.

patent all challenged claims unpatentable

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

· IPR2025-00231

The PTAB found all 16 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 replace those claims with new claims 50‑65.

patent all challenged claims unpatentable

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

· IPR2025-00232

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.

patent

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

· IPR2025-00557

RØDE Microphones and Freedman Electronics have filed a petition to institute an IPR against Zaxcom’s ‘444 patent, seeking cancellation of 23 claims on obviousness grounds using multiple prior‑art references. The petition argues collateral estoppel from earlier IPRs and disputes any discretionary denial.

patent all challenged claims unpatentable

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

· IPR2025-00232

The PTAB held that all six challenged claims of Zaxcom’s ’902 patent were unpatentable, adopting the petitioner’s claim constructions and granting Zaxcom’s motion to amend with substitute claims 21‑26.

patent all challenged claims unpatentable

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

· IPR2025-00232

The PTAB found all six challenged claims of Zaxcom’s ’902 patent unpatentable, adopting broader claim constructions and granting Zaxcom’s motion to amend with substitute claims 21‑26.

patent

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

· IPR2025-00230

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.

patent

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

· IPR2025-00231

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.

patent

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

· IPR2025-00230

Rode Microphones has filed an IPR petition against Zaxcom’s 9,336,307 patent, asserting that all 14 claims are obvious or anticipated by existing wireless audio recording technology.

patent all challenged claims unpatentable

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

· IPR2025-00230

The PTAB held that all six challenged claims of Zaxcom’s ’902 patent are unpatentable, finding them obvious or anticipated over prior art such as Strub, Nagai, Gleissner, Woo, and Wood, and granted Zaxcom’s motion to amend with narrower substitute claims.

patent all challenged claims unpatentable

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

· IPR2025-00230

The PTAB found all challenged claims of Zaxcom’s 8,385,814 patent unpatentable for obviousness over a combination of prior‑art references and granted Zaxcom’s motion to amend with substitute claims.

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