Dyax Corp is a biopharmaceutical company. The Company is focused on Hereditary Angioedema (HAE) and other Plasma-Kallikrein-Mediated (PKM) Disorders, and licensing and funded research portfolio. The Company develops and commercializes treatments for hereditary angioedema. The Company discovered and developed KALBITOR, a plasma kallikrein inhibitor, and is selling it in the United States for the treatment of acute attacks of HAE. Additionally, it discovered and is developing DX-2930, a human monoclonal antibody inhibitor of plasma kallikrein. It also developed a biomarker assay that detects the activation of plasma kallikrein in patient blood. The Company has a portfolio of product candidates being developed by licensees using its phage display technology. This portfolio includes one approved product, CYRAMZA (ramucirumab), which is marketed by Eli Lilly and Company (Lilly), and multiple product candidates in various stages of clinical development.