MEMORANDUM OPINION
SUE L. ROBINSON, Chief Judge.
Praxair, Inc. and Praxair Technology, Inc. (collectively called "Praxair") filed the current lawsuit against ATMI, Inc. and Advanced Technology Materials, Inc. (collectively called "ATMI") on December 22, 2003, alleging infringement of Praxair's U.S. Patent Nos. 6,007,609 ("the `609 patent"), 6,045,115 ("the 115 patent"), and 5,937,895. (D.I. 1) The case was tried to a...
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