Case: Patents/Obviousness (P.T.A.B.)

Challenged claims of Clantech Inc.'s patent that relates to methods, systems and computer program products for allowing characters of fonts that are not standard to a computer operating system to be displayed and/or otherwise used by the operating system are unpatentable as obvious over prior art, according to the Patent Trial and Appeal Board, in an inter partes review by CoStar Realty Information Inc. and Duolingo Inc. According to the board, the challenged claims are obvious over various combinations of prior art, including prior art directed to a system for creating and playing back portable documents, directed to delivering content ...