Inter partes review not only provides a faster and cheaper way to challenge patent validity, but also expands the Patent Office’s ability to develop law on esoteric issues relating to prior art. The Federal Circuit’s decision Nobel Biocare Services AG v. Instradent USA, Inc. is another in a line of cases arising out of IPR proceedings dealing with the availability of conference and trade show materials as prior art. See, for example, PTABWatch posts here and here. Interestingly, the court affirmed the PTAB’s decision finding certain claims of the challenged patent anticipated by a trade show publication, whereas the court came to the opposite conclusion in a related ITC appeal based on the same publication.
Continue Reading Trade Show Publication Dooms Patent in IPR Appeal Despite Contrary Decision in ITC Appeal