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Written April 2, 2019
The PTAB invalidated the patent in two challenges, finding many of claims were anticipated by either Japanese Publication No. Tokkai 2004-302907A in the first challenge, or by U.S. Patent No. 7,680,819 in the second challenge.
The Federal Circuit clarified the interpretation of certain language in the ‘346 patent and asked the PTAB to revisit the validity questions in the first challenge. They also reversed the board’s conclusion in the second challenge, finding a lack of evidence.
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