Patent licensing company Wi-LAN Inc said on Tuesday it has filed a lawsuit against Research In Motion for infringing on a patent that relates to Bluetooth technology. The company filed in the Southern District of Florida against the blackbetrry maker.

The suit against RIM claims infringement of U.S. Patent No. 6,260,168 related to Bluetooth technologies. In the filing, Wi-LAN alleges that RIM's PlayBook tablet and a many of its smartphones, including the Bold, Torch, Pearl and Storm utilize technology that infringes on its patent.

Wi-LAN has launched a string of patent lawsuits, including one last week against Apple, HTC and Sierra Wireless's U.S. unit over LTE mobile technology and 3G HSPA handset products.