TORONTO (Reuters) - Research In Motion has filed a patent infringement suit against Kik Messenger, a Toronto startup whose cross-platform instant messaging service rivals RIM's BlackBerry Messenger product.
The move follows Kik's removal from RIM's App World on Nov. 12, which RIM later said was due to a breach of contractual obligations.
Kik, much like RIM's Messenger, allows smartphone users to see when a message has been sent, delivered, read and when it is being replied to.
It has proved popular since re-launching in October, claiming 2.5 million users, including 1 million BlackBerry users. The application is still available for free download on Apple and Google Android system.
The claim was filed in Federal Court in Toronto, Canada, a court document showed.
Kik's chief executive, Ted Livingston, previously worked for RIM as a systems engineer and a technical product co-ordinator, according to his LinkedIn profile.
(Reporting by Alastair Sharp; editing by Rob Wilson)
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