3M and 3M Innovative Properties Co. recently filed a patent infringement lawsuit against Kerr Corporation.
The suit alleges that Kerr Corporation’s SonicFill 2 and Harmonize dental composites infringe 3M’s patent rights directed to nanotechnology used in 3M Filtek Supreme universal dental restoratives, according to a press release.
Filtek Supreme Universal Restorative was the first nanotechnology-based dental composite with engineered nanoparticles that result in high-quality polish retention, strength and wear resistance, according to the release. More than 600 million restorations have been performed globally with the Filtek Supreme universal restorative product line.
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Source: 3M