Five companies are listed as the strongest law firms in patent application and four in trademark and copyright as tier one IP firms. Except JunHe LLP, the one only in patent application category, all the other four firms are listed in both categories.Five companies are listed as the strongest law firms in patent application and four in trademark and copyright as tier one IP firms. Except JunHe LLP, the one only in patent application category, all the other four firms are listed in both categories.