Fed. Circ. Upholds PTAB Ax Of Eyeglasses Holder Patent

Law360, New York (September 12, 2017, 8:52 PM EDT) -- The Federal Circuit ruled Tuesday that the Patent Trial and Appeal Board correctly invalidated a patent covering a device for keeping eyeglasses around a person’s neck, ruling that it was obvious in view other patents and a 1991 newspaper article.

The appeals court affirmed a decision in an inter partes review that all the claims of Cablz Inc.’s patent, which was challenged by rival eyeglasses retainer makers Chums Inc. and Croakies Inc. after they were accused of infringement, are invalid because the patent is an obvious...
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Case Information

Case Title

Cablz, Inc. v. Chums, Inc.

Case Number



Appellate - Federal Circuit

Nature of Suit

Date Filed

April 8, 2016

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