November 1 was the deadline for filing amicus briefs to the U.S. Supreme Court, which is considering whether to grant a petition for writ of certiorari to take up Athena Diagnostics v. Mayo Collaborative Services on appeal from the U.S. Court of Appeals for the Federal Circuit. Almost every amicus filing to the Supreme Court in this case supported granting the petition or backed up the position of petitioner Athena, who is asking the Supreme Court to clarify its patent-eligibility doctrine under the Alice/Mayo framework on the subject of medical diagnostic patent claims. The appeal to the Supreme Court follows a hotly contested denial of an en banc rehearing of the Federal Circuit’s original panel decision in Athena, which produced eight opinions, including four dissents, with many judges agreeing that Athena’s invention should be patent eligible even while they disagreed over whether Supreme Court precedent allowed for patent protection of diagnostic methods.

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