Analysis by Charles Gideon Korrell

Tag: On-sale bar

Definitive Holdings v. Powerteq: Federal Circuit Reinforces Broad Reach of the Pre-AIA On-Sale Bar

April 14, 2026

The Federal Circuit’s recent decision in Definitive Holdings, LLC v. Powerteq LLC, Case No. 24-1761 (Fed. Cir. Apr. 14, 2026), provides another reminder that pre-AIA § 102(b) remains a powerful invalidity tool, particularly when older commercial products can be reconstructed through circumstantial evidence, archived software, and corporate testimony. The case arose from technology relating to…
Federal Circuit Ruling on Crown Packaging v. Belvac: A Lesson in the On-Sale Bar

December 12, 2024

On December 10, 2024, the Federal Circuit issued a significant ruling in Crown Packaging Technology, Inc. v. Belvac Production Machinery, Inc., reversing a district court’s decision on patent validity and reinforcing the strength of the on-sale bar under pre-AIA 35 U.S.C. § 102(b). This case highlights the importance of commercial offers for sale and their…

Definitive Holdings v. Powerteq: Federal Circuit Reinforces Broad Reach of the Pre-AIA On-Sale Bar