“At Least One of” Ex Parte Opinion Designated as Informative by PTAB

The PTAB interpreted claim language in the form of “at least one of A and B” to mean at least one of A and at least one of B in Ex parte Dong-Shin Jung et al. (Appeal No. 2016/008290, designated Informative on July 10, 2018).  The claim, in pertinent part, at issue reads: A method for playing back a scene using Universal Plug and Play (UPnP), comprising: [A.] sending, by a control point, a request for a scene to be played back to a media server that stores Audio/Video (AV) content; [B.] receiving, by the control point, one or more scene objects comprising the scene to be played back from the media server in response to the request, each scene object including metadata representing at least one of [i.] a precedence relation indicating the scene object’s location in a sequence of scene objects and [ii.] a connection relation indicating one or more scene objects capable of replacing the scene object, the connection relation including at least one of [1.] a…

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