Well, the legal team needs to review existing patents to avoid overlap.

我们的法律团队会检查来避免与已注册专利重复。

Current patent law ehables large pharmaceutical companies to spend billions of dollars annually on legal maneuvering to protect existing patents and preserve their market monopolies.

当前的专利法使得大型制药公司每年能够花费数十亿美元进行法律操作，以保护现有专利并维持其市场垄断地位。