Navigating the Minefield: Avoiding Prosecution History Disclaimer and Estoppel in Design Patent Prosecution
One way to increase the value of a design patent is to avoid making arguments during prosecution that disclaim, or narrow, the enforceable scope of the claim. This point was highlighted in a recent case from the Federal Circuit, Top Brand v. Cozy Comfort, 2025 U.S. App. LEXIS 17670 (Fed.