ERYTECH strengthens its intellectual property position in the US Post author:admERY Post published:April 21, 2015 Post category:Newsroom ERYTECH announces the strengthening of its intellectual property portfolio in the United States with the granting of a new patent and the further extension of the patent term of its core process patent. You Might Also Like ERYTECH to present at upcoming investor conferences May 20, 2013 ERYTECH Confirms Plans To Submit BLA for Eryaspase in Hypersensitive ALL Patients July 21, 2021 ERYTECH business update and financial results for the first half of 2013 August 28, 2013