This section contains the nature of the case and procedural background.

D's '060 patent discloses coaxial cable connectors having a connector body, a post, a nut (also called a coupler), and a continuity member that contacts the post and the nut so that electrical grounding continuity is extended through the post and the nut. As part of one of the claims a piece of the connector would be positioned to reside around an external portion of the connector; this prevents leakage and noise problems. Corning (P) filed a petition requesting an IPR of claims 10-25 of the '060 patent on grounds that the claims were invalid as obvious over the combination of U.S. published patent application 2006/0110977 (Matthews) and Japanese published patent application JP 2002-015823 (Tatsuzuki). Using a general dictionary, the Board construed the term 'reside around' to mean 'in the immediate vicinity of; near.' The Board concluded that the combination of Matthews and Tatsuzuki taught a continuity member that was positioned in the immediate vicinity of, or near, an external portion of the connector body. The board held that because D used the word “surrounded” in the preamble of the claim, “reside around” must have a different meaning. The Board concluded that the claims at issue were obvious. D appealed.

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