Broker Agencies Tussle Over Electronic Trading Tool

Law360, New York (November 22, 2006, 12:00 AM EST) -- A New York-based electronic stock trading company has been hit with a patent infringement suit over a method for accessing trading information.

Investment Technology Group Inc. (ITG) was tied into a suit filed in the U.S. District Court for the District of Delaware on Tuesday by rival Liquidnet Inc., which alleged that ITG’s software tool violated a business-method patent the U.S. Patent and Trademark Office issued to Liquidnet last week.

The patent covers accessing records of open orders from an order management system’s database at a...
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