ENFISH, LLC v. MICROSOFT CORP.

No. 2015-1244.

822 F.3d 1327 (2016)

ENFISH, LLC, Plaintiff-Appellant, v. MICROSOFT CORPORATION, Fiserv, Inc., Intuit, Inc., Sage Software, Inc., Jack Henry & Associates, Inc., Defendants-Appellees.

United States Court of Appeals, Federal Circuit.

May 12, 2016.


Attorney(s) appearing for the Case

Orion Armon , Cooley LLP, Broomfield, CO, argued for plaintiff-appellant. Also represented by James P. Brogan , Janna Fischer.

Chad S. Campbell , Perkins Coie LLP, Phoenix, AZ, argued for all defendants-appellees. Defendants-appellees Microsoft Corporation, Fiserv, Inc., Intuit, Inc., Jack Henry & Associates, Inc., also represented by Dan L. Bagatell , Theodore H. Wimsatt ; Elizabeth M. Banzhoff , Amanda D.W. Tessar , Denver, Co.

William J. Brown, Jr. , Brown, Wegner & Berliner LLP, Irvine, CA, for defendant-appellee Sage Software, Inc. Also represented by Matthew K. Wegner , Yuanjun Lily Li.

Before MOORE, TARANTO, and HUGHES, Circuit Judges.


Enfish sued Microsoft for infringement of several patents related to a "self-referential" database. On summary judgment, the district court found all claims invalid as ineligible under § 101, some claims invalid as anticipated under § 102, and one claim not infringed. Enfish appeals. We find that the claims are not...

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