PTAB challenges

Proceedings overview

US Patent 11852901 has been involved in one AIA trial proceeding. This proceeding was terminated due to a settlement, meaning no claims of the patent were ultimately invalidated by the PTAB. Therefore, the patent claims remain untested by a final written decision, and the patent's defensive posture is not yet "hardened" by surviving an IPR on the merits.

IPR2025-01549 — Bose Corporation v. Ingeniospec LLC

• Type: Inter Partes Review
• Filed: 2025-09-19
• Status: Terminated-Settled. This indicates that the parties involved reached a settlement agreement, leading to the discontinuation of the IPR before a final written decision was issued.
• Judge panel: Information regarding the specific judge panel for this proceeding is not publicly available in the provided data.
• Petition grounds: The specific claims challenged, prior art asserted, and statutory bases (§ 102 / § 103 / § 112) for the petition are not publicly available in the provided data.
• Institution decision: Information regarding the institution decision (instituted, denied, or partially instituted) is not publicly available, as the proceeding was terminated prior to a final written decision.
• Final Written Decision (if issued): A Final Written Decision was not issued due to the settlement and termination of the proceeding.
• Settlement / termination: The proceeding was terminated as settled on 2025-11-18. The specific terms of the settlement between Bose Corporation and Ingeniospec LLC are confidential and not publicly available in the provided data. Litigation between IngenioSpec and Bose Corporation, including a patent infringement lawsuit filed by IngenioSpec (2:24-cv-00822-JRG in E.D. Tex.) and a declaratory judgment action filed by Bose (1:25-cv-12531 in D. Mass.) asserting non-infringement of US11852901B2, was ongoing around the time of the IPR filing.
• Appeal: Not applicable, as no Final Written Decision was issued.
• Defensive value: This proceeding's termination via settlement means that the patentability of the challenged claims of US11852901B2 was not decided by the PTAB. For a defendant facing assertion of this patent, an IPR-based defense is still a viable option, as the claims have not been adjudicated as patentable in an IPR.

Strategic summary

Currently, no claims of US Patent 11852901 have been CANCELED or SUSTAINED by a PTAB Final Written Decision. The sole IPR filed, IPR2025-01549, was terminated due to a settlement between the petitioner, Bose Corporation, and the patent owner, Ingeniospec LLC. This means that all claims of the patent remain UNTESTED by a completed AIA trial on the merits.

The estoppel landscape under § 315(e)(2) for IPR2025-01549 would bar Bose Corporation and its privies from raising any ground they raised or reasonably could have raised in the terminated IPR. However, for other defendants, this specific termination does not create estoppel, leaving prior-art grounds available for challenging US11852901B2. The absence of an institution decision or Final Written Decision means the scope of any potential estoppel for the petitioner (Bose) is not publicly defined by PTAB findings on specific claims or prior art.

There is no public indication of the same petitioner (Bose Corporation) filing multiple IPRs on this specific patent based on the provided data. The patent owner (Ingeniospec LLC) has been involved in several district court litigations asserting this patent against various parties, including Bose Corporation, LG Electronics, Samsung, and Sony, indicating an active enforcement strategy.

Recommended next steps

Since no claims of US11852901B2 have been invalidated by a PTAB Final Written Decision, for a defendant facing assertion of this patent, initiating an Inter Partes Review remains a potential strategic option. The previous IPR (IPR2025-01549) was settled, so the patent claims have not been substantively tested at the PTAB. The absence of a public Final Written Decision means that any defendant, other than Bose Corporation and its privies, would likely not be estopped from challenging the patent's claims based on prior art.