On December 16, 2014, the USPTO issued a comprehensive interim Guidance document for examination of subject matter eligibility under 35 U.S.C. § 101. The new Guidance document supplements the June 2014 Preliminary Examination Instructions issued in view of Alice Corp. v. CLS Bank International (2014), and supersedes the March 2014 Procedure For Subject Matter Eligibility Analysis Of Claims Reciting Or Involving Laws Of Nature/Natural Principles, Natural Phenomena, And/Or Natural Products.

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