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U.S. District Court rules Heron Therapeutics patents covering CINVANTI invalid; company plans appeal
HRTXHeron Therapeutics, Inc.
Heron Therapeutics announced that a U.S. District Court ruled on June 1, 2026, that its U.S. Patent Nos. 12,115,255 and 12,290,520, which cover CINVANTI, are invalid. The company intends to appeal this decision to the United States Court of Appeals for the Federal Circuit.