Human tissue plasminogen activator cont’d

The priority filing date (June 11, 1980) was critical for securing Collen’s future with t-PA, as just one day later, on June 12, 1980, he publicly presented his results for the first time at the Fifth Congress on Fibrinolysis held in Malmö, Sweden, where he met a scientist from the American biotechnology company Genentech and discussed a possible collaboration to clone the gene encoding human t-PA.