Tag: Co-Inventors
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Fortress Iron v. Digger Specialties: Federal Circuit Invalidates Patent When Inventorship Cannot Be Corrected
The Federal Circuit’s decision in Fortress Iron, LP v. Digger Specialties, Inc., Case No. 24-2313 (Fed. Cir. Apr 2, 2026), addresses a deceptively simple but practically significant question: what happens when everyone agrees a patent omitted a true inventor—but that inventor cannot be found? The answer is unforgiving. If the omitted inventor cannot be joined…