PTAB Invalidates Several Claims of Sirona Dental Systems’ Patent

November 21, 2016 – Institut Straumann AG and Dental Wings Inc. (together “Petitioner”) filed a Petition requesting inter partes review of claims 1–10 (all claims) of U.S. Patent No. 6,319,006 (the “’006 patent”).  Petitioner contended that the claims are unpatentable under 35 U.S.C. §§ 102 and 103 over prior art publications.  The USPTO instituted IPR on November 16, 2015 and issued a final written decision on November 15, 2016 finding:  (1) claims 1-8 of the ’006 patent are unpatentable under obviousness grounds; (2) claims 9 and 10 of the ’006 patent have not been shown by a preponderance of the evidence to be unpatentable; and (3) patent owner’s contingent motion to amend the claims with substitute claims 11-18 is denied.

The ’006 patent is entitled “Method for producing a drill assistance device for a tooth implant and the case is captioned: Petition for Inter Partes Review by Institut Straumann AG, PTAB-IPR2015-01190.

By: David G. Varghese