PTAB challenges

Proceedings overview

There is currently one active AIA trial proceeding on US patent 11128710. This IPR is in the "Trial Instituted" status, meaning the patent claims challenged are currently undergoing review for patentability. This gives a defendant some defensive leverage, as the validity of the patent is presently being challenged.

IPR2026-00145 — Amazon.com Services LLC v. Smart Speaker LLC

• Type: Inter Partes Review
• Filed: 2025-11-21
• Status: Trial Instituted. This means the PTAB has determined that there is a reasonable likelihood that at least one of the challenged claims is unpatentable, and a trial has been initiated to fully evaluate the merits of the petition.
• Judge panel: Not yet public.
• Petition grounds: Not yet public.
• Institution decision: Instituted. The specific date and reasoning are not yet public in the provided data, but generally, an IPR is instituted when the PTAB finds a reasonable likelihood that the petitioner would prevail with respect to at least one challenged claim.
• Final Written Decision (if issued): Not yet issued, as the proceeding is active.
• Settlement / termination: Not yet settled or terminated.
• Appeal: Not applicable at this stage.
• Defensive value: This active IPR means the patent's validity is currently being scrutinized. If the challenged claims are ultimately invalidated, any infringement theories built upon them will be significantly weakened or eliminated. A defendant should closely monitor the progress of this IPR to understand the potential impact on their defensive strategy.

Strategic summary

As of the current date, US patent 11128710 has one active Inter Partes Review, IPR2026-00145, filed by Amazon.com Services LLC against patent owner Smart Speaker LLC. This IPR has been instituted, indicating the PTAB found sufficient merit in the petition to proceed to trial. The claims challenged and the specific prior art asserted are not yet publicly detailed in the provided information, nor is the judge panel.

Since the proceeding is in the "Trial Instituted" phase, there are no claims that have been definitively canceled or sustained by the PTAB yet. All claims of US11128710 are currently under review in this proceeding or remain untested by IPR. The estoppel landscape is still developing. If Amazon.com Services LLC proceeds to a Final Written Decision, they (and their privies) will be estopped from raising any ground they raised or reasonably could have raised in the IPR. For other defendants, prior art grounds not asserted in this IPR (or not reasonably able to be asserted) would still be available.

The involvement of Amazon.com Services LLC as the petitioner suggests a significant interest in challenging the patent's validity. While the outcome is pending, this IPR represents a critical point for the patent's future enforceability.

Recommended next steps

The IPR2026-00145 proceeding is active and in the trial phase. For a defendant facing assertion of this patent, it is crucial to monitor the ongoing IPR for key milestones, specifically the oral hearing (if scheduled) and the Final Written Decision (due within one year of institution, typically). The PTAB often issues an institution decision, and then a final written decision about a year later. The status "Trial Instituted" means the one-year clock for the FWD has begun.