MEMORANDUM OPINION
JOHN D. BATES, District Judge.
Defendant Cephalon, Inc., is the manufacturer of the prescription wakefulness drug known as Provigil. Cephalon also owns a patent relating to the "particle size composition" of Provigil's active ingredient, modafinil. In late December 2002, Cephalon instituted a single patent infringement case against four pharmaceutical companies that had applied...
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