RIM launches patent suit against Kik Interactive

As reported in the Globe and Mail, Research in Motion has launched a patent infringement lawsuit against Kik Interactive Ltd. RIM claims that Kik Messanger infringes on their patent for Blackberry Messenger. They claim that Kik’s CEO was previously employed at RIM and after leaving the company “he quickly went about starting his own instant messaging app”.  Kik has vowed to “vigorously defended” itself against the suit.