Classen v. Biogen: Federal Circuit Imposes “Subject Matter Patentability Filter” In Striking Down Transformation Claim in a Diagnostic Method Impliedly as an Insignificant Post-solution Activity
2-1 Classen majority imposes “subject matter patentability” filter in transformation-type claims in striking down a transformation claim in a diagnostic method impliedly as an insignificant or token activity On August 31, 2011, the Federal Circuit [...]