VANCOUVER, British Columbia, Nov. 16, 2011 (GLOBE NEWSWIRE) -- Tekmira Pharmaceuticals Corporation (Nasdaq:TKMR) (TSX:TKM), a leading developer of RNA interference (RNAi) therapeutics, disclosed today that it has filed a Notice of Civil Claim in the Supreme Court of British Columbia against certain individuals from AlCana Technologies, Inc. (“AlCana”) alleging that thousands of confidential documents containing Tekmira’s confidential information and trade secrets were downloaded and taken from Tekmira. Tekmira also filed a Notice of Application seeking an injunction ordering the documents and derivative materials be returned to Tekmira.