Move, Inc. v. Real Estate Alliance, No. 17-1463 (Fed. Cir. Feb. 1, 2018)

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.

This appeal marks the fourth installment in a de c- ades-long litigation saga between the parties. Real Estate Alliance Ltd. (“REAL”), owner of U.S. Patent Nos. 5,032,989 and 4,870,576, appeals the district court’s summary judgment holding the ’989 patent invalid for claiming ineligible subject matter and summary judgment holding that REAL waived its claims of divided infring e- ment for the ’989 patent.