OPINION
Re: Cross-Motions for Summary Judgment of Invalidity
MARILYN HALL PATEL, District Judge.
Plaintiff/counter-defendant Seiko Epson Corporation ("Seiko Epson") brought this action against defendant/counter-claimant Coretronic Corporation and Optoma Technology, Inc. (collectively "Coretronic"), alleging infringement of several United States patents, including U.S. Patent No. 6,203,158 ("the '158 patent") and U.S. Patent No. 6,527,392...
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