3M: files patent infringement suit in California.

(CercleFinance.com) - Diversified industrial manufacturer 3M announced on Thursday that it has filed a patent infringement lawsuit in California against competitors K2 Concepts and China-based Phoenix Automotive Refinishing.


The suit alleges that certain automotive paint spray gun cup products, which are made by Phoenix in China, and marketed and sold in the United States by K2, infringe seven 3M patents.

3M also believes that Phoenix's marketing materials for those same spray gun cup products infringe 3M's registered copyright and trademarks.

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