(By Balachander) Vringo Inc. (NYSEAMEX: VRNG) said it has filed a lawsuit against Microsoft Corp. (NASDAQ: MSFT) alleging infringement over relevance filtering technology patents.
The software developer for cellphones said the lawsuit alleges infringement of patents entitled "Collaborative/Adaptive Search Engine" and "Information Filter System and Method for Integrated Content-Based and Collaborative/Adaptive Feedback Queries," respectively.
I/P Engine Inc., Vringo's unit, seeks a judgment declaring that Microsoft has and continues to infringe the patents-in-suit.
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According to the complaint, I/P Engine also seeks "an award past and future compensatory damages amounting to no less than reasonable royalties, prejudgment interest and any other damages based on any form of recoverable economic injury."
The lawsuit filed in the Southern District of New York alleges infringement of U.S. Patent Nos. 6,314,420 and 6,775,664.
Vringo's patent portfolio consists of 31 patents and applications, 11 of which have been granted. Vringo owns a portfolio of eight patents acquired from Lycos Inc.
Last December, the company filed an additional patent-infringement lawsuit against the UK subsidiary of ZTE Corp. Vringo alleged infringement over base stations, base station controllers and mobile switching centers.
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In November 2012, the company won its patent-infringement suit against Google(NASDAQ: GOOG) and it was awarded $30 million in damages.
VRNG shares, which have been trading in the 52-week range of $1.16 to $5.73, traded 3.50 percent higher at $3.25 on Thursday.