In a patent dispute involving the differentiation of adipose-derived stem cells, district court judgment finding that defendants were not co-inventors of the patent in question and granting a misjoinder motion is affirmed where there is clear and convincing evidence that plaintiff's researchers conceived of each claim of their invention through contemporaneous corroboration before the arrival of defendants at the university.
Appeal from the United States District Court for the Central District of California.
Decided: July 23, 2009
Before MAYER, RADER, and BRYSON, Circuit Judges.
Opinion by MAYER, Circuit Judge.