The Patent Trial and Appeal Board said that challenged claims of Maxell Ltd.'s patent that relates to a hierarchical management system for recording and reproducing device audio/video data aren’t unpatentable as obvious over prior art, in an inter partes review by Samsung Electronics Co. Ltd. and Samsung Electronics America Inc. The board said that the challenged claims aren’t obvious over various combinations of prior art, including prior art that discloses a computer data processing system for the management of data objects, discloses an interactive television system with custom video-on-demand menus based on personal profiles, and that relates to protecting digital ...
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