Posts Tagged: Claim Limitations
Nonprecedential CAFC Decision Presents Questions of Standing
In Knauf Insulation, Inc. v. Rockwool International, the U.S. Court of Appeals for the Federal Circuit vacated and remanded the Patent Trial and Appeal Board’s …
Proving a Negative Claim Limitation: A Tale of Three Nonprecedential Cases
In the past 10 months, the issue of proving negative claim limitations has cropped up on appeals to the Federal Circuit. At least three panels of the Federal …
Cardiac Monitoring Patent Invalidated Under § 101 as Patent Ineligibility
U.S. District Judge Indira Talwani of the District of Massachusetts signed an order dismissing a patent infringement suit brought by Malvern, PA-based wireless medical technology company …
Federal Circuit Reverses District Court’s Invalidation of Patents Asserted Against Apple
On appeal to the Federal Circuit, Zeroclick argued that the district court erred in construing those two terms as means-plus-function limitations, an argument with which the Federal …
Federal Circuit expands printed matter doctrine to include information and mental steps
In Praxair Distribution v. Mallinckrodt Hospital Products, Praxair petitioned for inter partes review of claims 1-19 of the ’112 patent, which the Board instituted. The Board held that …
Beware of Conditional Limitations when Drafting Patent Claims
Buried in the claim language, conditional limitations may be a vulnerability in an otherwise valuable claim. A conditional limitation is a claim feature that depends on a …
Testing a Patent Claim against an Abstract Idea, in Response to 35 USC §101 Rejection
One promising approach is to argue that the claims are directed to a specific technological solution to a specific technological problem, as has been successful in the …
