Osha Attorneys
Osha Attorneys
Osha Attorneys
Osha Attorneys
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The collective expertise of our global team distinguishes OBWB in the field of Intellectual Property Law. We align our best resources to meet each client's specific needs and we treat each matter with the highest degree of attention and care.

Hailong  Sun

Hailong  Sun

  • Of Counsel | Chinese Patent Attorney
  • Chinese (Mandarin)
  • English

Mr. Sun has 20 years of experience in patent prosecution, patent invalidation and litigation, patent infringement analysis, trademark prosecution and litigation. His areas of technical expertise include: electronic engineering, semiconductors, computers, information and communication.


Prior to joining Osha Bergman Watanabe & Burton (OBWB), Mr. Sun gained considerable experience in patent prosecution and Chinese IP litigation while working at another prominent IP firm.

Over the course of his career, Mr. Sun has handled patent prosecution matters for a wide range of major domestic and overseas clients in the fields of electronics, computing, and telecommunications.  He has also handled many patent invalidation and litigation matters in China.

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  • Chicago Kent College of Law, LLM Degree, 2014
  • Beijing University of Aeronautics and Astronautics, Bachelor’s Degree, 1995