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.

12600 Hill Country Blvd.
Suite 275, Austin   TX 78738
P: 512.480.0667
F: 713.228.8778

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12F, Excel Centre, 6 Wudinghou Street
Xicheng District, Beijing   100033

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1200 Pearl St. Ste. 314
Boulder, CO   80302
P: 713.228.8600
F: 713.228.8778

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Osha BWB IP
Level 30, The Oberoi Centre
Business Bay, Dubai, United Arab Emirates
P: + 971 4 818 7297
F: + 971 4 818 7280

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8/F, Hangzhou Kerry Center
385 Yan An Rd.
Hangzhou, China   310006
P: +86.571.2689.2537
F: +86.571.2689.2700

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1100 Louisiana Street
Suite 4900
Houston, TX   77002
P: 713.228.8600
F: 713.228.8778

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2 Rue de la Paix
75002 Paris, France
P: +33.1.4494.8630
F: +33.1.4494.8631

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Level 28 Shinagawa Intercity Tower A
2-15-1 Konan Minato-ku
Tokyo, Japan   108-6028
P: 81.3.6717.2877
F: 81.3.6717.2878

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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