LendingTree v. Zillow, Inc., No. 14-1435 (Fed. Cir. July 25, 2016)

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.

DECISION This is a patent infringement case. LendingTree, LLC (“LendingTree”) filed suit against Zillow, Inc. (“Zillow”) and other defendants in the United States District Court for the Western District of North Carolina, asserting claims 1 and 6 of U.S. Patent No. 6,385,594 (“the ’ 594 patent”) and claims 1, 4, 5, 18– 20, and 22– 24 of U.S. Patent No. 6,611,816 (“the ’816 patent”) (collectively, “the patents in suit ”). In due course, Zillow moved for su m- mary judgment of invalidity under 35 U.S.C.