Means-Plus-Function Software Claims Must Have an Underlying Algorithm

05.08.15 Posted in Federal Circuit Opinions by

EON’s patent with means-plus-function claiming describing complex computer functionality is indefinite because there are no algorithms to provide structure to the claims. When a patentee invokes means-plus-function claiming to recite a software function, it accedes to the reciprocal obligation of disclosing a sufficient algorithm as the corresponding structure.


Means-plus-function claims – indefinite because of insufficient structure in the specification

10.27.14 Posted in Federal Circuit Opinions by

Contact the author: Andrew Berks Robert Bosch, LLC v. Snap-On, Inc., No. 2014-1040 (Fed. Cir. 10/14/2014). The Federal Circuit panel, (Prost, Taranto, and Hughes) outlines a two-step framework for determining if a claim invokes 35 U.S.C. § 112(f) (formerly (formerly 112 ¶ 6). The panel concludes the challenged claim invoked 35 U.S.C. § 112(f), i.e., the claim is […]


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