Fed. Circ. Upended Claim Construction Rules, Unifrax Says

By Dani Kass (May 21, 2019, 3:53 PM EDT) -- The Federal Circuit has made a "drastic departure" from the accepted rules of claim construction by broadening the scope of a term in a DuPont Co. flame barrier insulation patent based on language from an entirely different patent, Unifrax LLC said in a bid to have the case reheard....

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