November 01, 2019
BlackBerry Ltd. on Thursday voluntarily dropped infringement allegations against Twitter Inc. involving three of its targeted ad and mobile messaging patents, after a California federal judge found in October that four related patents are invalid under the U.S. Supreme Court's Alice ruling.
October 02, 2019
A California federal judge has declared claims from six BlackBerry patents invalid under the U.S. Supreme Court's Alice decision, giving a leg-up to Facebook, Twitter and Snap as they proceed in infringement litigation.
September 05, 2019
Facebook, Twitter and Snap urged a California federal judge Thursday to toss BlackBerry's infringement suits against the social media giants, saying BlackBerry's mobile messaging and targeted advertising patents are invalid because they don't contain inventive concepts.
July 26, 2019
BlackBerry fired the latest salvo in its patent battle with Twitter, telling a California federal judge that its infringement suit against the social media giant should proceed because its mobile messaging and advertising technology pass muster under Alice.
June 26, 2019
Twitter has added a seventh BlackBerry patent to the list of those it's pushing a California federal judge to find invalid so the social media giant can escape a suit accusing it of pilfering the smartphone company's technology.
May 15, 2019
BlackBerry can't go after Twitter for allegedly swiping mobile messaging and advertising technology because the patents covering that technology are invalid under the U.S. Supreme Court's Alice test, Twitter has argued in California federal court.
February 27, 2019
Social media giant Twitter looted mobile messaging and advertising technology developed by BlackBerry for its mobile application, illicitly steering consumers and revenue away from BlackBerry products, the smartphone maker claimed in a suit filed in California federal court Wednesday.