The Federal Circuit affirmed the decision of the Patent Trial and Appeal Board that claims of Slingshot Printing LLC’s patent for semiconductor substrates in inkjet printheads are unpatentable as obvious over prior art, in an inter partes review by Canon USA Inc. and Canon Inc. The court said that the board’s obviousness findings were supported by substantial evidence, and rejected Slingshot’s argument that the board violated the APA by failing to adequately explain its rationale for finding these claims unpatentable.
This summary was produced by Bloomberg Law Automation and edited by Bloomberg Law staff.
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