1 Exhibit 10.36 Fifth Amendment to Registration Rights Agreement This Fifth Amendment to the Registration Rights Agreement, dated as of October 1, 1996 (the "FIFTH AMENDMENT"), by and among Transkaryotic Therapies, Inc., a Delaware corporation (the...Registration Rights Agreement • October 4th, 1996 • Transkaryotic Therapies Inc • Biological products, (no disgnostic substances) • Delaware
