Brian Higgins’s Maryland IP Law Blog post about the progeny of In re Seagate, 497 F.3d 1360 (Fed. Cir. 2007), inspired me to do follow up posts identifying Northern District cases discussing recent major IP decisions — click here for my post on injunctions after eBay Inc. v. MercExchange, L.L.C., 126 S.Ct. 1837, 164 L.Ed.2d 641 (2006).  There have been a number of obviousness decisions in the Northern District since KSR Int’l Co. v. Teleflex Inc., __ U.S. __, 127 S.Ct. 1727 (2007).  Here they are:*

These opinions suggest that KSR is not changing obviousness law in the Northern District much.  I suspect that is not true.  Once we have a larger sample of cases, including more where the initial analysis was not done pre-KSR, we will see more patents held invalid based upon obviousness.

*  A brief note on methodology:  this was not a thorough study and does not include cases that granted or denied injunctions without discussion.  For a more complete list of post-KSR decisions nationwide, go to the Fire of Genius.