What the USPTO’s New 30-Day Director Review Deadline for Decisions Instituting Trial Means for PTAB Petitioners and Patent Owners
Key Takeaway: In a precedential decision in Light & Wonder, Inc. v. Evolution Malta Ltd., U.S. Patent and Trademark Office Director Squires extended the deadline for requesting Director Review of...
Federal Circuit Review | May 2026
May Federal Circuit Newsletter (Japanese) May Federal Circuit Newsletter (Chinese) When “About” Runs A-Fowl of the Definiteness Requirement In Enviro Tech Chemical Services, Inc., v. Safe Foods Corp., Appeal...
When “About” Becomes Indefinite: Federal Circuit Provides Guidance for Life Science Patent Applications Regarding Limits of Approximation in Enviro Tech v. Safe Foods
Key Takeaway: The term “about” remains useful in biotech and pharmaceutical claims, but only if the patent provides objective guidance about what the term means. Absent that guidance, “about” may...