In this dispute over inventorship of a patent, Affymetrix (“Affymetrix”) and Gregory Kirk (“Mr. Kirk”) sought to correct U.S. Patent Nos. 7,510,481 and 7,612,020 to add Mr. Kirk as one of the inventors on the patents. The patents are directed to a method and an apparatus for conducting genetic testing using microarrays and are assigned to the defendant, Illumina, Inc. (“Illumina”). The plaintiffs contended that Mr. Kirk is a joint inventor because of certain information he disclosed in an email to one of the named inventors several months before the first patent application was filed.
The plaintiffs filed a motion in limine to preclude Illumina’s expert from testifying at trial on the ground that his opinions were neither relevant nor helpful. In its motion, the plaintiffs divided Illumina’s expert report into three parts: (1) an opinion that Mr. Kirk did not contribute a “complete and operative invention”; (2) an opinion on Mr. Kirk’s contribution to “decoding”; and (3) an opinion on the “organization and structure” of Mr. Kirk’s emails.
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