Promega Corporation v. Applied Biosystems, LLC, Life Technologies Corporation, and California Institute of Technology
June 20, 2013
Judge Richard A. Posner ruled in favor of our client, Promega Corporation, in a suit that it initiated against one of its competitors. In an opinion dated June 12, 2013 from the U.S. District Court for the Northern District of Illinois, Judge Posner ruled that certain claims of U.S. Patent No. RE43,096, asserted against Promega, are invalid. Promega prevailed in its arguments that the claims of the ’096 patent were invalid due to the breadth of the claim constructions that Defendants sought and obtained. Certain asserted claims were invalid for lack of written description support. While the patent describes an improvement to DNA sequencing, the breadth of the claims encompassed technologies that Caltech did not invent, including the PCR-based methods on which Promega’s accused products are based. The asserted claims were additionally invalid as anticipated or obvious in view of the prior art, including a prior art patent to Caltech, which expired years ago. Judge Posner also found certain claims invalid for obviousness type double patenting.
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