A catalog published at a trade conference by one of the inventors of U.S. Patent 8,714,977 (the “’977 patent) was publicly accessible to the dental industry in March 2003, and therefore was prior art, with properly corroborated evidence, the United States Court of Appeals for the Federal Circuit ruled in a precedential opinion. The Federal Circuit affirmed the PTAB’s final decision following inter partes review that claims 1-5 and 19 of the ’977 patent were unpatentable as anticipated (Nobel Biocare Services AG v. Instradent USA, Inc., September 13, 2018, Lourie, A.).

A full summary of this case has been published on Kluwer IP Law.


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