Legal Opinion
Wellman, Inc. v. Eastman Chemical Co.
Court of Appeals for the Federal Circuit
Decided April 29, 2011No. 2010-1249PublishedCited by 36 opinions
1Opinion of the Court
RADER, Chief Judge.
The United States District Court for the District of Delaware granted Eastman Chemical Company’s (“Eastman’s”) motion for summary judgment of invalidity of U.S. Patent Nos. 7,129,317 (the “'317 patent”) and 7,094,863 (the “'863 patent”) (collectively, the “Wellman patents”) for indefiniteness and granted-in-part Eastman’s motion for summary judgment of invalidity for failure to disclose the best mode. Because the specifications of the Wellman patents do not set forth the best mode of carrying out the invention contemplated by at least one of the inventors, this court…
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