Patent 5115326
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 5115326. 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 5,115,326
As of April 29, 2026, a comprehensive search of publicly available litigation databases reveals no known litigation involving U.S. Patent 5,115,326.
The search included the Unified Patents portal, which tracks patent litigation in U.S. District Courts, the Court of Appeals for the Federal Circuit (CAFC), and the Patent Trial and Appeal Board (PTAB), as well as national case indexes accessible through the Public Access to Court Electronic Records (PACER) system. No records of complaints, petitions for inter partes review, or appeals mentioning this specific patent number were found.
Therefore, there are no litigation cases to report for US patent 5,115,326.
Generated 4/29/2026, 4:55:47 AM