The Supreme Court, speaking through a five-justice majority, has reaffirmed the equitable principle of assignor estoppel while at the same time limiting its application in Minerva Surgical, Inc. v. Hologic, Inc. Assignor...more
Patent law is replete with arcane (and often judge-made) doctrines, such as the doctrine of equivalence and obviousness-type double patenting. In addition, long having been considered a property right (Oil States to the...more
In 2011, the Leahy-Smith America Invents Act (“AIA”) established new post-issuance procedures for challenging the validity of a granted patent before the Patent Trials and Appeal Board (“PTAB” or “Board”). Inter partes...more
3/22/2017
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