Legal: 3M goes after Rocky Mountain Orthodontics

Fri, 10/05/2012 - 1:44pm
Mass Device

3M Co.'s Unitek division sues Rocky Mountain Orthodontics for patent infringement, alleging infringement of 3M patents covering lingual orthodontic braces

3M Co.

3M Co. (NYSE:MMM) said its Unitek division sued Rocky Mountain Orthodontics in the U.S. and France, alleging that RMO infringes 3M patents covering braces that are mounted on the tongue side of the teeth.

The St. Paul-based conglomerate's 3M Unitek and 3M Innovative Properties Co. filed a patent suit in a Los Angeles court, alleging infringement of 3 patents by RMO's Lingual Jet braces for "Modular System for Customized Orthodontic Appliances" covering 3M's Incognito line of lingual braces, according to a press release.

3M Unitek also sued RMO Europe and Lingual Jet in France over its European patent of the same


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