August 17, 2017
The Federal Circuit on Thursday affirmed the Patent Trial and Appeal Board's invalidation of a patent covering a method for making root canal instruments, agreeing that the patented method was obvious in view of prior art.
August 08, 2017
The owner of a patent covering a method for making root canal instruments defended the novelty of the invention before a Federal Circuit panel Tuesday, hoping to overturn a finding by the Patent Trial and Appeal Board that the patent is invalid as obvious.