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PTAB Upholds E-Cig Patent In RJ Reynolds Challenge

By Kelly Knaub (December 20, 2017, 5:52 PM EST) -- The U.S. Patent Trial and Appeal Board on Tuesday upheld the asserted claims of a Fontem electronic cigarette patent in an America Invents Act inter partes review, saying R.J. Reynolds failed to persuade the board that the claims were obvious over prior art....

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