"The Federal Circuit concluded Friday that the U.S. Patent Trial and Appeal Board did not go far enough in invalidating claims of two database patents asserted against Facebook, Twitter and LinkedIn in two America Invents Act inter partes reviews, saying it should have invalidated even more."
"Fed. Circ. Nixes More Claims of Patents Fought by Facebook," Law360
"Tech Trio Smashes Search Patents in Federal Circuit," Law.com (Subscription required)