Patent 12236947
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
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No PTAB proceedings on file. This patent has not been challenged through Inter Partes Review, Post-Grant Review, or Covered Business Method review at the USPTO. The absence is itself a signal — well-asserted patents eventually attract IPRs.
Cases on file (0)
Specific litigation cases in our database that name US patent 12236947. The free-form analysis below may also discuss cases beyond this list.
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Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Litigation Search for U.S. Patent 12,236,947
As of April 26, 2026, a comprehensive search of patent litigation databases, including the U.S. Court of Appeals for the Federal Circuit (CAFC), the Public Access to Court Electronic Records (PACER) system, and the Unified Patents portal, reveals no known litigation involving U.S. Patent 12,236,947.
The search was conducted using the specific patent number to ensure accuracy and avoid returning results for similar, but unrelated, patents. The databases reviewed are standard resources for tracking patent litigation in the United States and would be expected to contain records of any suits filed in federal district courts or appeals to the CAFC.
The absence of any records indicates that the patent holder, Cerence Operating Company, has not filed any infringement lawsuits based on this patent, nor has the patent been the subject of any declaratory judgment actions or post-grant challenges recorded in these systems.
It is important to note that this analysis is based on the information publicly available in these databases as of the specified date.
Generated 5/8/2026, 10:06:26 PM