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

The Patent Trial and Appeal Board said that challenged claims of Guy A. Shaked Investments Ltd.'s patent that relates to the field of hair heat treatment, and more particularly, to brush-like hair straighteners, aren’t unpatentable as obvious over prior art, in an inter partes review by Ontel Products Corp. According to the board, the challenged claims aren‘t obvious over various combinations of prior art that discloses a heated hairbrush for curling and waving hair during brushing, a hair styling device for straightening hair, and a hairstyling brush iron which applies heat to the hair of a user to set a ...