Patent 11942624
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: Sila Nanotechnologies, Inc., Georgia Tech Research Corporation
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
A search for AIA trial proceedings related to US Patent 11942624 reveals no PTAB activity on file. The USPTO Open Data Portal (ODP) API returns no AIA trial proceedings for this patent as of its most recent ingest. A web search also did not surface any such proceedings. This indicates that the patent has not yet been challenged through Inter Partes Review, Post-Grant Review, or Covered Business Method proceedings, which could signify a less hardened defensive posture if challenged by a defendant.
Strategic summary
As of the current date, US Patent 11942624 has no claims that have been formally challenged or invalidated through PTAB proceedings. All claims of the patent remain untested in an AIA trial context. This means there is no estoppel landscape established under 35 U.S.C. § 315(e)(2) for any petitioner, leaving all prior-art grounds potentially available for future challenges. The absence of PTAB activity is a notable signal, as patents that are actively asserted or of significant commercial interest often attract IPR filings.
Recommended next steps
Given the absence of PTAB activity for US11942624, a potential defendant facing assertion of this patent would have the full range of prior art and statutory grounds available to them if they chose to file an AIA trial petition (e.g., IPR or PGR, depending on eligibility). The lack of prior challenges means there are no prior panel decisions to analyze for insights into the Board's interpretation of the claims or the patent owner's typical defensive strategies. Consideration should be given to conducting a thorough prior art search to identify potential grounds for invalidity, which could then form the basis of an IPR petition.
Generated 6/19/2026, 12:45:38 PM