EON CORP. IP HOLDINGS LLC v. AT&T MOBILITY LLC (Fed. Cir. 2015) (P) – The Katz exception to the algorithm rule does not extend to complicated, customized computer software

The Katz exception to the algorithm rule permitting general-purpose processors to serve as the corresponding structure of computer-implemented means-plus-function elements for basic functions of a processor does not extend to complicated, customized computer software....

BIOSIG INSTRUMENTS, INC. v. NAUTILUS, INC. (Fed. Cir. 2015) (P) – Terms of degree are not indefinite when their bounds can be inferred from operational requirements

Claim language employing terms of degree is not indefinite when its bounds can be inferred from inherent parameters related to proper operation. Here, for example, a “spaced relationship” between two electrodes was found to be sufficiently definite because the spacing...

BELDEN INC. v. BERK-TEK LLC (Fed. Cir. 2015) (NP) – Dictionary definitions provide an adequate starting point when the specification does not recite a claim term

Dictionary definitions provide an adequate starting point when the specification does not recite a claim term. Here, for example, the claim term “channel” was found to be adequately characterized by its dictionary definition of “a long gutter, groove, or furrow”...

VASUDEVAN SOFTWARE, INC. v. TIBCO SOFTWARE, INC. (Fed. Cir. 2015) (P) – Proper grammar is essential in both claim drafting and other statements relevant to claim interpretation

Proper grammar is essential in both claim drafting and other statements that may be used to construe the claims, such as arguments made during prosecution. Here, for example, the patentee argued during prosecution that “disparate” databases referred to an “absence of...