In In re: Xencor, Inc., the US Court of Appeals for the Federal Circuit confirmed that the limiting preamble of a Jepson claim must be supported by the specification with “sufficient written description.” In its decision, the...more
US patent law has long held that inventions put on sale or placed in public use may not be patented if those sales or uses occurred more than one year before filing for patent protection. These rules apply to all forms of...more
1/28/2019
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