Intellectual Property

Intellectual property is one of the main services of Jiang Lei Law Firm. Our patent attorneys not only help clients apply for US patents and trademarks, but also help clients provide the following services:

  • Patent and trademark searches;
  • Responses and appeals to patent applications;
  • patent re-examination;
  • Patent and trademark infringement litigation;
  • Intellectual property due diligence, intellectual property infringement risk consultation;
  • Issue legal opinions, assist clients in dealing with problems encountered in the US market, etc.;

In addition, our intellectual property legal services involve a wide range of technical fields, including: medicine, food processing, medical equipment, mechanical equipment, energy-saving technology, optical technology, biotechnology, computer technology, etc. Our clients include US companies as well as Chinese companies. Patent litigation cases handled by our law firm have ended in client victory or settlement. We maximize the protection of the rights and interests of customers. In addition, we can help you apply for international patents and trademarks. Excellent service and reasonable prices are the main characteristics that set us apart.

We serve both established enterprises and individuals. For detailed information, please click the links below.


Areas of Practice


US Patent

Foreign Patent


Utility Patent Paris Convention Search
Design Patent PCT Process Registration
Search   Opposition
Examination   Review
Assignment   Cancellation
Patent Fee   Assignment

Useful links

United States Patent and Trademark Office

World Intellectual Property Organization (WIPO)

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