Fed. Circ. Affirms PTAB Ax Of Radiation Therapy Patent

The Federal Circuit affirmed a Patent Trial and Appeal Board decision that found claims in an Elekta patent on a device used in radiation therapy are invalid, agreeing Thursday that they were too obvious.

A three-judge panel affirmed the PTAB's finding that the claims in the patent, owned by Elekta Ltd., were unpatentable, handing a win to challenger ZAP Surgical Systems Inc.