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Kapak Sues Folgers, Others Over Coffee Pouch Patent

Law360 (April 23, 2009, 12:00 AM EDT) -- Specialty plastics maker Kapak Co. LLC has slapped several major coffee retailers — including Folgers Coffee Co., Dunkin' Brands Inc. and Celestial Seasonings Inc. — with a suit alleging infringement of two patents for a vented plastic coffee bag.

The complaint, filed Wednesday in the U.S. District Court for the District of Minnesota, argues that the companies have infringed two Kapak patents through a variety of their ground and whole bean coffee products sold in reseable bags for home consumption.

In addition to Dunkin' Brands, the...
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