Fed. Circ. Revives Part Of Seismic Survey Patent

By Matthew Bultman (June 18, 2018, 8:33 PM EDT) -- The Federal Circuit on Monday found that part of a patent related to marine seismic survey technology was invalid, although the court said the Patent Trial and Appeal Board was wrong to ax more of the patent on rehearing.

The PTAB in June 2016 found that a handful of claims in the PGS Geophysical AS patent were anticipated or obvious in inter partes review. Following a request for rehearing from the challenger, WesternGeco LLC, the PTAB ruled an additional claim was also invalid.

On Monday, the Federal Circuit affirmed the PTAB's initial decision. But the court said the evidence did not...

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