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Lei Jiang Law & Bus. Center
26943 Westwood Road
Cleveland, OH 44145

Monday to Saturday
7am to 6pm

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Intellectual Property

Lei Jiang LLC has its origins as an intellectual property law firm. Therefore we provide a full spectrum of intellectual property legal services in the areas of patents, trademarks, copyrights, trade secrets and related fields. Patents are our focus because we are licensed U.S. patent attorneys.  We prosecute U.S. patent and trademark for our clients.  We have also assisted many foreign corporations and universities in their U.S. patent pursuit. Regardless of whether our clients are domestic or foreign, we deliver the same excellent service with the same passion and focus.  We are especially proficient on applications related to electrical engineering, mechanical engineering, computer engineering & software. 

If you are interested in securing foreign patents, we can also help.  There are two main ways to secure patents in foreign countries: either through patent cooperation treaty (PCT) or through the Paris convention.  If you want foreign patents, then we are the bridge to help you reach your goals.  We have helped many businesses through PCT process to apply for patents in other countries.   

In addition, we provide litigation service.  Lawsuits range from patent/trademark infringement, copyright, to Anti-Cyber-squatting.  This is one of the fastest growing areas of our legal service.  We are proud of our ability in deliver excellent results that are also cost effective. 

Beside patent and litigation, we have helped clients with the acquisition and management of patent, trademark, copyright, & trade secret. We make sure not only that clients have successful IP strategies, but also that their IP strategies meet their business goals and objectives.

Our unique approaches include,
  • Team approach to ensure the ultimate success,
  • Proper review to ensure that clients’ IP strategies match with their business goals,
  • Preparing applications with an eye toward issues in litigation,
  • Ensure that our work will stand up in courts,
  • Timely communication with clients on all matters,

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




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