Roche's Bispecific Antibody Drug Emicizumab Patent Research and Practical Operation Guide

Emicizumab (Hemlibra) is a bispecific antibody developed by Roche that targets coagulation factors IXa and X. It was first approved by the FDA in November 2017 and received an expanded indication in 2018 for the prophylactic treatment of bleeding in hemophilia A patients, regardless of inhibitor status. This bispecific therapeutic is currently the only bispecific antibody drug used in the field of hemophilia. Since its market launch, Emicizumab has experienced a compound annual growth rate exceeding 300%, with sales surpassing $2 billion by 2020, thus becoming a blockbuster drug. In 2023, Hemlibra reported sales of CHF 4.147 billion (approximately $4.575 billion), reflecting a 16% year-over-year growth. The growth trajectory continues into 2024, with first-half sales reaching CHF 2.143 billion (approximately $2.529 billion). Sales are projected to reach $6.203 billion by 2028. As the highest-grossing bispecific antibody drug currently on the market, Emicizumab's patent landscape garners significant interest. This report aims to guide readers through a step-by-step patent analysis of the Emicizumab drug, ultimately providing a detailed patent landscape map. This can serve as a reference and provide insights for patent strategy in the bispecific antibody field.