3M Prevails in Patent Infringement Action Against Qingdao Sisa Abrasives Co., Ltd.

ST. PAUL, Minn., Feb. 25, 2021 /PRNewswire/ -- The Intermediate People's Court of Zhengzhou, China has ordered that the BCA-T (Blue Ceramic Abrasive Triangle) abrasive grain made by Qingdao Sisa Abrasives Co., Ltd. infringes 3M's Chinese patents ZL200980155621.4 and ZL201080026268.2. These patents relate to 3M's Precision-Shaped Abrasive Grain technology.

The court order requires Sisa to immediately stop the manufacture, sale, and offer for sale of Sisa's infringing abrasive grain in China and directs the company to compensate 3M for its economic losses and expenses for rights of protection. The judgement went into effect on Feb. 1, 2021.

3M provides a comprehensive range of abrasive products and solutions to multiple industries, including 3M Cubitron™ II products containing Precision-Shaped Abrasive Grain that are widely used in high-performance grinding and material removal applications for the metalworking and collision repair industries. Learn more about 3M's Cubitron™ II technology at www.3m.com/3M/en_US/cubitronII-us.

3M is committed to protecting its intellectual property and investments in Precision-Shaped Abrasive Grain technology.

About 3M

At 3M (NYSE: MMM), we apply science in collaborative ways to improve lives daily as our employees connect with customers all around the world. Learn more about 3M's creative solutions to global challenges at www.3M.com or on Twitter @3M or @3MNews.

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