Clonazepam January 19, 2018 Clonazepam Trade Name Klonopin Orphan Indication Hyperekplexia (startle disease) USA Market Approval USA USA Designation Date 1994-08-04 00:00:00 Sponsor Hoffmann-La Roche, Inc.;340 Kingsland Street;Nutley, New Jersey, 07110
