3M sues German companies over allegedly infringing dental products

Minnesota Mining ["3M"] filed a patent infringement suit against Dental Direkt GmbH, located in Spenge, Germany. The products alleged to infringe are zirconia CAD/CAM block products traded under the brand names “DD Bio Z” and “DD Bio ZX Translucent.”

3M ESPE is the relevant division of 3M.

3M previously took action against Metoxit AG and White Peaks Dental Systems GmbH & Co. KG.

Link to article in Minneapolis Star Tribune:

http://www.startribune.com/business/295634341.html