PTAB challenges

Proceedings overview

One Inter Partes Review (IPR) proceeding, IPR2026-00273, has been filed against US patent 12125496 and is currently pending. This means the patent's claims are actively being challenged, and the defensive posture for a defendant facing assertion is uncertain, awaiting the outcome of this IPR.

IPR2026-00273 — Krisp Technologies, Inc. v. Sanas Ai Inc

• Type: Inter Partes Review
• Filed: 2026-03-26
• Status: Pending. This proceeding is in the initial stages and has not yet reached an institution decision.
• Judge panel: Not yet publicly available as an institution decision has not been issued.
• Petition grounds: Details regarding specific claims challenged, prior art references, and statutory bases (§ 102 / § 103 / § 112) are not yet publicly available in a decision.
• Institution decision: Not yet issued. The statutory deadline for an institution decision is typically six months from the filing date, which would be approximately 2026-09-26.
• Final Written Decision: Not applicable; no FWD has been issued.
• Settlement / termination: Not applicable; the proceeding is active.
• Appeal: Not applicable; no FWD has been issued to appeal.
• Defensive value: This active IPR proceeding indicates that the validity of US12125496 is currently under scrutiny by Krisp Technologies, Inc. A defendant facing assertion of this patent should monitor this IPR closely, as an institution decision and subsequent FWD could significantly impact the strength of the patent. If the IPR is instituted and claims are eventually invalidated, it could substantially weaken the patent owner's position.

Strategic summary

Currently, all claims of US patent 12125496 are untested by a final PTAB decision. IPR2026-00273, filed by Krisp Technologies, Inc., is in its early stages and has not yet reached an institution decision. Therefore, no claims have been canceled or sustained through a PTAB trial or subsequent appeal. The patent is currently facing a live challenge, indicating potential weaknesses that Krisp Technologies, Inc. believes it can demonstrate.

The estoppel landscape under § 315(e)(2) will only become relevant for Krisp Technologies, Inc. (and their privies) if the IPR proceeds to a Final Written Decision. At this point, all prior-art grounds are theoretically available to other potential defendants. The fact that Krisp Technologies, Inc., a company also involved in voice enhancement technology (as suggested by their prior art citations in other patents), has filed an IPR could signal a competitive interest in challenging this patent.

Recommended next steps

• As IPR2026-00273 is pending, the most critical upcoming milestone is the institution decision. This decision is expected around 2026-09-26. A defendant should actively monitor the USPTO PTAB E2E system for updates on this proceeding.
• If the IPR is instituted, the trial will commence, leading to an oral hearing and ultimately a Final Written Decision, typically within one year of institution. These dates will become available if the trial is instituted.
• The absence of any concluded PTAB activity means that the claims of US12125496 remain presumed valid and untested by the PTAB. This also means that for other potential challengers, the full range of prior art arguments remains available for new IPR petitions, should they choose to file one.