(December 10, 2018, 3:25 PM EST) -- ALEXANDRIA, Va. — A patent relating to a biodegradable fiber useful in the delivery of certain drugs would have been anticipated by a person of skill in the art, Ethicon Inc. asserts in a Dec. 7 petition for inter partes review (IPR) by the Patent Trial and Appeal Board (Ethicon Inc. v. Board of Regents, University of Texas System, No. IPR2019-00407, PTAB)....