Fed. Circ. Backs PTAB On Nonobvious Paint-Mixing Patent

By Beth Winegarner ( January 27, 2015, 8:56 PM EST) -- The Federal Circuit on Tuesday affirmed a Patent Trial and Appeal Board finding that a Sulzer Mixpac AG patent on a device that mixes and dispenses paint is not obvious, rejecting rival Plas-Pak Industries Inc.'s argument that the patent claims were invalidated by prior art....

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