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Federal Circuit Sends Back PTAB Rejection of Hearing Aid Patent

April 7, 2020, 6:09 PM

The Federal Circuit on Tuesday remanded a Patent Trial and Appeal Board decision that rejected a hearing aid patent based on a combination of earlier patents that allegedly preceded the invention.

The PTAB didn’t explain why a person of ordinary skill in the art would be motivated to combine the prior art to come up with Anova Hearing Labs Inc.'s patented hearing aids, the court said.

Anova received U.S. Patent No. 8,477,978, covering a completely-in-canal hearing aid that allows “natural sounds” to flow into the canal and mix with the “augmented sound” created by the device. A supplemental U.S. Patent...

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