Patent 6958986
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.
Current assignee: Stingray IP Solutions LLC
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 on file for US patent 6958986 as of the most recent ingest from the USPTO ODP API. Web search did not surface any additional or recently filed proceedings. This means the patent has not been subjected to IPR, PGR, or CBM challenges at the PTAB, and all claims remain untested by these AIA trial mechanisms.
Strategic summary
All claims of US patent 6958986 remain untested by AIA trial proceedings. This means no claims have been canceled or sustained by the PTAB, nor have any prior art grounds been formally adjudicated in this forum. The absence of PTAB activity suggests that any potential petitioner (or defendant in litigation) would have a full range of prior art grounds available under § 315(e)(2), as no estoppel would have been triggered by previous proceedings. There is no pattern of PTAB challenges or appeals to analyze, and no defensive aggregators have filed against this patent at the PTAB.
Recommended next steps
As there is no PTAB activity on file for US patent 6958986, all claims are presumed valid and have not been challenged in an AIA trial. If facing assertion of this patent, a defendant would have the opportunity to initiate an AIA trial proceeding (e.g., an IPR) if appropriate prior art or other grounds can be identified.
Generated 5/29/2026, 6:01:20 PM