Fed. Circ. Affirms PTAB Loss For 3M On Aerosol Adhesive IP

By Britain Eakin (June 25, 2021, 8:40 PM EDT) -- The Federal Circuit affirmed a Patent Trial and Appeal Board ruling Friday that 3M failed to show two claims of an Evergreen Adhesives Inc. aerosol adhesive patent are invalid as obvious, saying the PTAB rightfully held 3M's argument on those claims was improperly raised....

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