RADER, Circuit Judge.
Dr. Steven P. Shearing, inventor and owner of U.S. Patent No. 4,159,546, sued Iolab and Johnson & Johnson for breach of a patent licensing agreement. Iolab filed a counterclaim to declare the '546 patent invalid based on prior inventorship, obviousness, and concealment of the best mode of carrying out the invention. After a lengthy trial, the jury rejected Iolab's challenges to validity of the '546 patent. The United States District Court...
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