EON Corp. IP Holdings LLC v. AT&T Mobility LLC, No. 14-1392 (Fed. Cir. May 6, 2015)

From the Opinion

The passage below is extracted verbatim from the opening of the document. It has not been editorially summarized — consult the full opinion for the court's complete reasoning.

In these consolidated cases, EON Corp. IP Holdings LLC (“EON”) asserts U.S. Patent No. 5 ,663,757 (“’757 patent”) against a number of defendants. T he district court grant ed the defendants ’ motion for summary jud g- ment, holding all claims of the ’757 patent invalid as indefinite. In particular, the district court found that the specification failed to disclose an algorithm to provide EON CORP. IP HOLDINGS LLC v. AT&T MOBILITY LLC 4 structure for various computer-implemented means-plus- function elements. On appeal, we affirm. I.