Patent 11623920
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: Harmony Biosciences Management Inc, Novitium Pharma 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 11,623,920. This indicates that all claims of the patent are currently untested by the PTAB, offering a clean slate for any potential defendant considering an AIA trial challenge.
Strategic summary
Currently, all claims of US Patent 11,623,920 remain untested by any AIA trial proceeding. No claims have been canceled or sustained through IPR, PGR, or CBM. The patent has not been narrowed through PTAB challenges.
Regarding the estoppel landscape, since no AIA trial proceedings have been instituted or reached a final written decision, there is no estoppel under § 315(e)(2) for any petitioner (or their privies). All prior-art grounds and statutory bases (§ 102, § 103, § 112) remain available for a potential challenger. There is no discernible pattern of activity by petitioners or the patent owner at the PTAB, as no proceedings exist.
Recommended next steps
As of 2026-05-31, there is no PTAB activity on file for US Patent 11,623,920. This absence of proceedings can be a signal that the patent has not yet been subjected to significant challenges, despite being issued on 2023-04-11. For a potential defendant, this means the opportunity exists to be the first to test the patent's validity at the PTAB, with all potential prior art and grounds available.
Generated 5/31/2026, 12:49:00 PM