Federal District Court Finds Claims Directed to Dog Chew Toy Patent EligibleFew subjects have drawn as much interest among patent stakeholders and practitioners as understanding the framework used to determine a patent claim’s eligibility. Courts continue to address different factual situations in applying the two-step test for patent eligibility under 35 USC § 101 that the Supreme Court set out in Alice Corp. Pty. Ltd. V.

The Risk of Using “Consisting Essentially of” in Patent ClaimsThe legal meaning of the transition language “consisting essentially of” is well-established in Federal Circuit case law and is generally construed to mean that the composition or formulation (a) necessarily includes the listed ingredients and (b) is open to unlisted ingredients that do not materially affect the basic and novel properties of the composition.  Similarly,

Federal Circuit Holds Notebook-Tabbed Spreadsheets Are Patent EligibleIn recent years, the Federal Circuit has issued a number of decisions attempting to define the line between computer-implemented claims that are patent ineligible under 35 U.S.C. § 101 for being directed to an abstract idea with no inventive concept applied to it and eligible claims directed to more than simply an abstract idea. The