The Patent Trial and Appeal Board determined that challenged claims of Eight kHz LLC’s patent that describes a method for providing binaural sound to a person through electronic earphones are unpatentable as obvious over prior art, in an inter partes review by Meta Platforms Inc., Meta Platform Technologies LLC, and Twisted Pixel Games LLC. The board determined that the challenged claims are obvious over prior art consisting of the publication of the earliest application to which the patent claims priority, and that discloses a virtual reality system that identifies a bounding box including a safe region. And the board dismissed ...
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