Patent 8796884B2
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.
Active provider: Google · gemini-2.5-flash
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
The USPTO Open Data Portal API reports no AIA trial proceedings on file for US patent 8796884B2 as of its most recent ingest. A supplementary web search for IPR, PGR, and CBM proceedings related to US8796884B2 also did not surface any relevant cases. Therefore, there are no PTAB trial proceedings recorded for this patent, giving a defendant a posture where all claims remain untested by AIA trial challenges.
Strategic summary
As of today, 2026-05-24, all claims of US8796884B2 are UNTESTED by any AIA trial proceedings (IPR, PGR, or CBM). The patent has not been subjected to PTAB challenges, meaning no claims have been canceled or found unpatentable in these forums, nor have any been explicitly sustained.
The estoppel landscape under § 315(e)(2) is not applicable here, as no AIA trial proceedings have been instituted. Consequently, a defendant currently facing assertion of this patent would not be barred from raising any prior art grounds that could have been raised in an IPR, PGR, or CBM. All potential prior-art arguments remain available for use in an AIA trial petition.
The absence of PTAB activity is a notable signal. While this could indicate various factors, for a patent issued in 2014 and actively assigned, the lack of challenges might suggest that it has not been heavily asserted in litigation that would typically trigger defensive IPR filings, or that potential challengers have not identified strong prior art grounds for such proceedings.
Recommended next steps
Given the complete absence of PTAB activity for US8796884B2, the recommended next steps for a defendant facing assertion would be:
- Conduct a thorough prior art search: Since no claims have been tested, a robust prior art search is crucial to identify potential grounds for an IPR, PGR (if eligible), or CBM (if eligible). This would allow a defendant to proactively challenge the patent's validity.
- Evaluate IPR/PGR/CBM eligibility: Determine if the patent and the asserted claims are eligible for any of these AIA trial proceedings. For example, PGR is only available for patents granted from applications filed on or after March 16, 2013, and must be filed within nine months of grant.
- Assess potential for settlement: The absence of PTAB challenges might also influence settlement negotiations, as the patent owner has not had their claims validated through a PTAB trial.
Generated 5/24/2026, 6:03:21 PM