On March 20, 2012, the Supreme Court issued its unanimous decision in Mayo Collaborative Services v. Prometheus Laboratories, Inc. The Court held that all of the claims of the challenged Prometheus patents covering a diagnostic test were invalid.
The Mayo case addresses significant questions regarding the patentability of medical diagnostic tests and procedures and raises some additional issues regarding the viability of software and business process patents. Pryor Cashman partners James Klaiber and Stephen Goodman have authored an informative legal update which provides a detailed analysis of the case and some of its implications.
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