As the next step in its ongoing program to license to the dental industry 3M's patented technologies in various areas of ceramic-based dental restorations, 3M has filed a patent infringement lawsuit in Düsseldorf, Germany. On June 23, 2015, 3M filed a patent infringement lawsuit in Düsseldorf, Germany, against Zirkonzahn Deutschland GmbH located in Neuler, Germany, and Zirkonzahn SRL located in Gais, South Tyrol, Italy. The lawsuit alleges infringement of 3M’s European Patent No. 1 154 969 B2 by using Zirkonzahn’s instructions for sintering of Zirkonzahn’s zirconia blocks. 3M’s patented technology enables dimensionally precise sintering of dental ceramics.

3M is committed to improving oral care through continuous R&D investments. The company's dental division, 3M ESPE, has been recognized as the most innovative dental company for the past 10 years by the Anaheim Group. This distinction is awarded based on the number of patent filings, 510k clearances and new product introductions.

About 3M

At 3M, we apply science in collaborative ways to improve lives daily. With $32 billion in sales, our 90,000 employees connect with customers all around the world. Learn more about 3M’s creative solutions to the world’s problems at www.3M.com or on Twitter @3M or @3MNewsroom.

3MLori Anderson, 651-733-0831