How to inquire about the level of patent?

There is no hierarchy of patents, and the value of patents can be referenced after patent evaluation.

Patent evaluation is an act of confirming, evaluating and reporting patent rights according to specific purposes, following fair and legal standards and procedures, and using appropriate methods to provide value scales for asset business.

Patent evaluation: Apply to China National Intellectual Property Administration for patent evaluation of related patents, and China National Intellectual Property Administration will issue a patent evaluation report. According to the evaluation results, the patentee can use the patent right as collateral to borrow money from the bank, apply for project subsidies from the government, or transfer the patent to others or obtain benefits in the form of licensing others to use or sell it.