Mayo Collaborative Services v. Prometheus Laboratories, Inc.
Louis Vuitton Malletier S.A. v. LY USA, Inc.

USPTO issues preliminary guidance to the Patent Examining Corps

"Yesterday, in a unanimous decision, the Supreme Court held that the claims in Mayo Collaborative Services v. Prometlreus Laboratories, Inc. (Mayo) effectively claim a law of nature and are not patent-eligible under 35 U.S.C. § 101. The purpose ofthis memorandum is to provide preliminary guidance to the Patent Examining Corps, Additional guidance on patent subject matter eligibility under 35 U .S,C. § 101 will be issued soon."

Download USPTO Guidance

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