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Lawyer Patent Agent Technical Advisor Of Counsel Staff

Dragon Sun Law Firm, P.C.


148 East Avenue, Suite 1F

Norwalk, CT 06851  USA




Current position:Home > professionals
Attorney Jinggao Li, Ph.D.

• Dr. Li is a practicing lawyer in the states of Connecticut and New York, and is a practicing patent attorney before the United Patent and Trademark Office. Dr. Li's practices are also extended to real estate transcation, business transcation and contract drafting and review, etc. 

 • Dr. Li began his intellectual property services in 2009, and is mainly engaged in patent applications for mechanical, electrical and software art, patent  litigation and other intellectual property matters. He founded Dragonsun Corporation back in 2011 and has been engaged in intellectual property services consistently since then.

• Dr. Li has successfully completed patent applications in various fields, including mechanical and electronic devices, optics, semiconductors, medical  devices, e-commerce, software, heavy machinery, compounds and biological drugs.

• Dr. Li provides clients with comprehensive services in all phases of intellectual property law, including US and foreign patent, trademark and copyright  applications, patentability assessment, legality assessment, licensing, patent invalidity and infringement, product design solutions, patent portfolio  development and management, and patent litigation support.

• Before starting his career as a lawyer, Dr. Li worked as a senior engineer, project manager, and technical leader at various semiconductor companies. Dr. Li  was a senior engineer, senior analyst and technology leader at ASML, the world's top semiconductor manufacturer.
Diligent and sincere work attitude, fluent Chinese and English, and superb business skills make Dr. Li be an  experienced and outstanding patent attorney in the United States.
Fast, efficient, sincere, enthusiasm and patience, and providing customers with excellent professional services have always been the criteria that Dr. Li has  adhered to for many years.
• Dr. Li is also the inventor of two US patents and one of the authors/co-authors of more than twenty scientific papers.


Lawyer, Connecticut and NY 

Patent Attorney, United States Patent and Trademark Office


Education background
J.D., University of Connecticut School of Law
Ph.D. in Mechanical Engineering, State University of New York at Stony Brook

MBA (21 credits), State University of New York at Stony Brook
BS and MS, Department of Mechanical Engineering, Xi'an JiaotongUniversity


Working experience
Lawyer, Locke Lord LLP 
Lawyer, OGRP LLP 
Lawyer, McCarter& English LLP
Agent, Dragonsun Corp.
Senior Engineer, ASML



Connecticut Bar Association