Dental Cos. Look to Straighten Patent Row In Fed. Circ.

Law360, Washington (August 6, 2018, 7:15 PM EDT) -- The inventor of the Invisalign clear teeth-straightening system Monday sought to revive parts of a patent underlying the technology, telling a Federal Circuit appellate panel that the U.S. Patent Trial and Appeal Board erred when it invalidated key parts of the patent as obvious.

A group of three patents cited by Invisalign competitor ClearCorrect LLC in its challenge to patents held by Align Technology Inc. do not teach the system for using digital information to make progressive plastic molds to straighten teeth, because the prior art describes a more generic system than the personalized product developed by Align Technology, William M....

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