The US software patent environment is very different in the year following Alice v. CLS than in the year after State Street v. Signature .  It was expected that when the Supreme Court finally had to take a view on eligibility of subject matter, things would change.  After years of waiting for the other shoe to drop, it did (in a strange multi-stage process involving  Bilski v. Kappos, Mayo v. Prometheus and Alice) – but nobody seems terribly sure where it landed. (more…)