Fed. Circ. Says Implicit License Clears AT&T In Network IP Suit

By Tiffany Hu ( February 6, 2020, 8:03 PM EST) -- The Federal Circuit on Thursday refused to revive a patent holding company's lawsuit against AT&T and Ciena, ruling that a fiber-optic network patent was "implicitly" covered by a license the patent holder gave Ciena and its customers to settle an earlier patent dispute....

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