Universal Electronics, Inc. v. Zenith Electronics Corp.

MEMORANDUM OPINION AND ORDER

NORDBERG, District Judge.

Defendant, Zenith Electronics, Inc. (“Zenith”), is the assignee of U.S. Patent Number 4,425,647 ■ (“the ’647 patent”) which claims a system and a method of remote control of electrical devices such as television sets, video cassette recorders (“VCRs”) and cable converter boxes. Plaintiff, Universal Electronics, Inc. (“Universal”), manufacturers and sells remote control transmitter devices that control electrical devices sold by a number of manufacturers, including Zenith. Universal makes products that execute the signaling protocol defined…