On March 24, 2025, the US Court of Appeals for the Federal Circuit (Federal Circuit) issued a decision titled In Re: Riggs (the Riggs decision) that vacated a decision of the Patent Trial and Appeal Board (PTAB) of the US...more
The United States Patent and Trademark Office’s (“USPTO”) Appeals Review Panel (“the Panel”) recently clarified that means-plus-function claims do not require that the specification disclose equivalents. See Ex parte...more
August 23, 1891 - WASHINGTON, DC - In a unanimous panel ruling, the Federal Circuit has found that the calculating machine of U.S. Patent No. 388,116 fails to meet the eligibility requirements of 35 U.S.C. § 101. Inventor...more
In 2014's Alice Corp. v. CLS Bank Int'l case, Justice Thomas famously wrote, "we need not labor to delimit the precise contours of the 'abstract ideas' category in this case." Instead, he found the claims of patentee Alice...more