Patent 9031581
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
There are no AIA trial proceedings (Inter Partes Review, Post-Grant Review, or Covered Business Method review) on file for US patent 9031581 with the USPTO as of the most recent ingest. A web search also did not reveal any PTAB proceedings.
No PTAB Activity on File
The USPTO Open Data Portal API indicates no AIA trial proceedings for US9031581. Additionally, a comprehensive web search for IPR, PGR, and CBM proceedings related to this patent yielded no relevant results.
Strategic summary
Currently, all claims of US patent 9031581 remain untested by any AIA trial proceeding, meaning they are neither canceled nor sustained by the PTAB. There is no estoppel landscape established through PTAB proceedings for this patent. All potential prior-art grounds remain available for future challenges, should they arise. The absence of PTAB activity suggests that, despite the patent's issue date in 2015, it has not yet faced a direct challenge in these forums.
Recommended next steps
Since no PTAB activity exists for US9031581, a defendant facing assertion of this patent would find all claims and potential prior art grounds available for an IPR or PGR petition, assuming the statutory window for such filings is open and other jurisdictional requirements are met. The lack of prior PTAB challenges means there's no established record of claim construction or patentability arguments from the patent owner within the PTAB context.
Generated 6/3/2026, 6:46:45 PM