AM International, Inc. v. Eastman Kodak Co.

MEMORANDUM OPINION AND ORDER

DECKER, District Judge.

Plaintiff, AM International, Inc. (“AMI”), filed this patent infringement action on July 30, 1980, alleging that the Ektaprint Copier-Duplicator machines manufactured, used and sold by defendant, Eastman Kodak Co. (“Kodak”), infringed four U.S. patents owned by AMI. In its answer to the complaint, Kodak denied all material allegations and raised various affirmative defenses, including questions of the patents’ invalidity and unenforeeability based on laches, estoppel, unclean hands, and failure to inform the Patent Office of relevant prior…