A small Alabama company that claims to have invented a new method for “processing returned mail” has petitioned the U.S. Supreme Court to reconsider the current state of patent eligibility law. This move comes after the company failed to enforce its patent against the U.S. Postal Service. The petition reflects ongoing concerns over the interpretation of patent eligibility standards established by the Supreme Court’s decision in Alice Corp. v. CLS Bank International. This case is yet another instance where patent holders find themselves grappling with what they view as restrictive criteria for patentability.
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