Insurance Companies Battle Over Patent

Law360, New York (May 21, 2008, 12:00 AM EDT) -- Lincoln National Life Insurance Co. filed a patent infringement suit Tuesday against Transamerica Financial Life Insurance Co. and five sister companies over a patent for a method of providing retirement benefits. The claim was filed the same day the U.S. Patent and Trademark Office issued the patent.

In a complaint filed in the U.S. District Court for the Northern District of Indiana, Lincoln alleges that the group of six life insurance companies is infringing its newly issued patent by selling variable annuities with guaranteed living withdrawal...
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