Expiration of category patent

China's biopharmaceuticals should concentrate on making generic drugs. After all, the threshold of funds and talents is much lower. In recent years, several top biopharmaceutical companies are about to lose patent protection, such as hummel with annual sales of $654.38 billion+$000 billion. Boss will be the first generic drug developed in China in the future. In addition, the patent protection in Keke will expire on 20 18.