2. Judging by the number of patent members in the same family. The number of patents in the same subject is an important index to measure the economic value of patents, which can reflect the potential technical market and economic influence scope of an invention. Moreover, patent applicants will only submit patent applications to a country if they have expectations about its market. Therefore, it is helpful to understand the applicant's business strategy and market development direction to analyze which countries the applicant has applied for a patent for invention. By the same token, if a company applies for a large number of patents of the same family for a technology, it can also reflect the importance of this technology from one side.
3. Use patent litigation information to make judgments. Patent litigation in the United States usually costs a lot of money and time. If there is no huge conflict of interest behind a patent, enterprises will not rashly carry out patent litigation.