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The Federal Circuit Continues To Grapple With The Question Of Patent Eligibility For Diagnostic Methods, Christopher M. Holman

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This article considers the current state of affairs at the Federal Circuit with regard to the patent eligibility of diagnostic methods. Diagnostics v. Mayo Collaborative Servs. I then look at all of the decision decisions I could find in which the court strikes down diagnostic method claims as patent ineligible under Mayo v. Prometheus, of which there are quite a few. Finally, I turn to the handful of cases, all decided in 2018 or later, in which the Federal Circuit has upheld the patent eligibility of diagnostic claims, the most significant of which I believe to be Vanda Pharmaceuticals v. …