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Plausible Alternative Understanding of Prior Art? So What?

Affirming the Patent Trial & Appeal Board’s final determination that three claims were invalid for obviousness, the US Court of Appeals for the Federal Circuit ruled that a “plausible alternative understanding” of the prior...more

Drawing Can Teach Claim Limitations If “Clear on Its Face”

Addressing when a drawing in a prior art reference includes a teaching that is “clear on its face,” the Director of the US Patent & Trademark Office vacated and remanded a Patent Trial & Appeal Board decision denying...more

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