U.S. Court of Appeals for the Federal Circuit Invalidates Patents Over Functional Claim Language in “Payment Handler” Case: Implications for AI Patents
In a precedential decision issued by the U.S. Court of Appeals for the Federal Circuit in February 2025, the court affirmed a district court ruling that the term “payment handler” in a patent claim was a “nonce” term—a placeholder for functional language. This ruling invoked 35 U.S.C. § 112, sixth paragraph, governing means-plus-function claiming, leading […]