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Jury Rejects Avery's Patent Challenge Against 3M

Law360 (December 22, 2005, 12:00 AM EST) -- Following a four-year skirmish, a patent held by 3M Co. was found to be valid in federal court after being challenged by a competitor.

3M’s wholly owned subsidiary, 3M Innovative Properties Co., won the favorable verdict in the patent infringement case in the U.S. District Court in Minnesota, where 3M sued Avery Dennison Corp. in September 2001.

A jury found that 3M's patent that covers technology for adhesives for large format graphics is valid and has been infringed by the so-called EZ Series Fleet Marking Film...
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