PTAB Axes Media Buffering Patent Claims After Fed. Circ. Remand

The Patent Trial and Appeal Board struck down part of an internet broadcasting service provider’s patent on a buffering system for streaming media.

The U.S. Court of Appeals for the Federal Circuit in August said the PTAB’s decision to invalidate certain claims in WAG Acquisition LLC’s patent rested on an incorrect interpretation of a particular term. The court remanded the case back to the board.

The board said in its Thursday decision it had adopted the Federal Circuit’s interpretation of the term and taken into account “a full record” that included remand briefs from both sides.

However, the board didn’t ...