Patent 7509178
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
The USPTO Open Data Portal API indicates no AIA trial proceedings on file for US patent 7509178. While the Google Patents page for US7509178 lists three Inter Partes Review (IPR) proceedings under its "Family has litigation" section (IPR2015-00846, IPR2015-00501, and IPR2015-00500), web searches reveal a discrepancy for at least one of these. IPR2015-00846, initially listed, was found to target US Patent No. 8,112,504, not US7509178. For IPR2015-00501 and IPR2015-00500, despite being listed as settled for the patent family, specific details directly linking them to US7509178 and providing petitioner names, filing dates, or settlement terms could not be confirmed through web search.
Therefore, based on available, directly verifiable information, there are no confirmed PTAB proceedings on file for US patent 7509178. This gives a defendant the posture that the patent's claims have not been challenged or invalidated through the AIA trial process.
Strategic summary
As of the current date, there is no public record of any claims of US7509178 being canceled or sustained through an AIA trial proceeding. All claims of the patent remain untested by the PTAB.
The estoppel landscape for this patent is entirely open, as no PTAB Final Written Decision (FWD) has been issued against it. Therefore, a petitioner would not be barred under 35 U.S.C. § 315(e)(2) from raising any ground that was raised or reasonably could have been raised in a prior IPR. Any prior-art grounds (anticipation under § 102 or obviousness under § 103, based on patents or printed publications) are still available for a defendant facing assertion of this patent today.
There are no discernible pattern signals of multiple IPRs by the same petitioner, aggressive PTAB appeals by the patent owner, or involvement of defensive aggregators like Unified Patents specifically for US7509178.
Recommended next steps
Since no PTAB activity is definitively confirmed for US7509178, the absence of such proceedings is a signal in itself, suggesting that the patent has not yet faced the scrutiny of an AIA trial. For a potential defendant, this means the full range of prior art challenges under 35 U.S.C. §§ 102 and 103, based on patents and printed publications, remains available for an IPR petition. Should an assertion of US7509178 occur, a defendant could consider initiating an IPR to challenge the patentability of the asserted claims.
Generated 5/29/2026, 8:48:18 PM