Patent case: Sirona Dental Systems GmbH v. Institut Straumann AG, USA
The Patent Trial and Appeal Board correctly determined that claims 1-8 of a patent for a method for drilling holes for dental implants, held by Sirona Dental Systems GmbH, were unpatentable as obvious in light of prior art, the U.S. Court of Appeals for the Federal Circuit has ruled. Further, the petitioners, Institut Straumann AG…