OPINION AND ORDER
PER CURIAM.
Columbia Broadcasting System ("CBS") brought a patent infringement suit in the Northern District of Illinois against Zenith Radio Corporation and The Rauland Corporation, a wholly owned subsidiary of Zenith. Defendants filed a counterclaim under the Declaratory Judgment Act asking that the patents in suit be declared invalid and not infringed. Pursuant to a previous determination, the Panel transferred the Illinois action to...
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