Patent 11383405
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 11383405. 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.
As of May 12, 2026, a thorough search of patent litigation databases, including PACER, the U.S. Court of Appeals for the Federal Circuit (CAFC) dockets, and the Unified Patents portal, reveals no known litigation involving US patent 11,383,405.
While the assignee, NGK Insulators Ltd., has been involved in other legal matters, including antitrust cases and patent disputes related to different technologies, there is no public record of US patent 11,383,405 being asserted or challenged in court.
Generated 5/12/2026, 12:45:27 PM