Patent 8796884
PTAB challenges
AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.
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Proceedings on file (0)
All PTAB activity →AIA trial proceedings (IPR / PGR / CBM) filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced from the USPTO Open Data Portal and refreshed every six hours; each proceeding number deep-links to the PTAB E2E docket.
No PTAB proceedings on file. This patent has not been challenged via IPR, PGR, or CBM. The absence is itself a signal — well-asserted patents eventually attract IPRs. The LLM analysis below may surface filings the ODP feed hasn’t indexed yet.
PTAB challenges
AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.
Proceedings overview
As of May 24, 2026, there is no PTAB activity on file for US Patent 8796884. This absence of proceedings means the patent has not been challenged through AIA trials, leaving all claims untested by the PTAB. This offers a defendant a wide-open defensive posture regarding PTAB challenges, as no claims have been invalidated or sustained in such proceedings.
Strategic summary
Currently, all claims of US8796884 remain untested by the PTAB. There are no canceled, sustained, or pending claims as a result of AIA trial proceedings.
Since no PTAB proceedings have been filed, there is no estoppel landscape to consider under § 315(e)(2). All prior-art grounds remain available for a defendant to raise in a potential future PTAB challenge or other litigation.
There are no pattern signals to discern regarding repeated petitioners, aggressive patent owner appeals, or involvement of defensive aggregators like Unified Patents, as no proceedings have occurred.
Recommended next steps
No PTAB activity exists for US Patent 8796884. Therefore, if facing an assertion of this patent, a defendant should consider this a clean slate for potential PTAB challenges. The absence of prior PTAB activity suggests that the patent has either not been widely asserted, or previous assertions have not led to IPRs, PGRs, or CBMs. A thorough prior art search would be a critical first step to identify potential grounds for an AIA trial.
Generated 5/24/2026, 6:45:50 PM