AIA Estoppel Provision Not As Restricted As Many Expected

By Ryan Davis (January 26, 2017, 10:48 PM EST) -- The America Invents Act's inter partes review estoppel provision, which limits arguments those seeking to invalidate patent claims can raise following PTAB review, may not be as restrictive as expected, attorneys say, judging from recent court decisions allowing the use of arguments petitioners either raised or had available to them at the board....

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