NIES, Chief Judge.
Ortho Pharmaceutical Corporation and Johnson & Johnson Corporation appeal from the judgment of the United States District Court for the Eastern District of Pennsylvania holding claims 5, 19, 40, and 43 of U.S. Patent No. 3,959,322 (the '322 patent) not invalid. 18 USPQ2d 1977, 1990 W 121353 (1990). Appellants concede infringement. American Home Products Corporation and Dr. Herchel Smith cross-appeal from (1) the district court's denial of attorney...
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