Company name 


Company address  8F. Sunshine Golf Building,No.7008, Shennan Boulevard,Shenzhen
Jurisdiction  China
Contact person  Contact person: Mr. Guo Weigang
Phone  Tel: +86 755 8287 2708
Fax  Fax: +86 755 8287 3034
Website  Web:
Email  Email:
  • Year of establishment

  • Total number of practitioners

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Company details 

Company description

STANDARD PATENT & TRADEMARK AGENT LTD. is a professional intellectual property law firm in Southern China. The firm focuses its practice solely on prosecution, litigation, transaction and consultation services relating to patent, trademark, copyright, trade secret, trade dress, domain name, unfair competition and other intellectual property related matters.
Over the years, we earned a reputation for our strong IP litigation practice. The litigation team provides proactive representation for clients who wish to enforce or defend their rights through both administrative and court proceedings.
To render high-quality services in a cost-efficient manner, we have developed a sophisticated computer-aided management system. As a professional intellectual property firm in China, we will honour our commitments to the interests of the clients, with our extensive legal and technological expertise, meeting the needs of our clients in all aspects of prosecution and litigation.

Leading practitioners

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Ms. Cai is the president and general manager of Standard Patent & Trademark Agent Ltd.and is presently serving as the director of Guangdong Patent Attorneys’ Association as well as an adjunct professor of Huazhong University of Science &Technology. She is also one of the 100 high-level talents of the “National Hundred, Thousand, and Ten Thousand Talents Project”and is appointed as a special researcher of Institute of Intellectual Property in Shenzhen University. Ms. Cai has been in the filed of Intellectual Property for over twenty years and has accumulated rich experience.She was once the perennial legal consultant in Intellectual property for several famous companies in China such as Guangdong Kelon Electrical,Sanjiu Medical & Pharmaceutical Co., Ltd.,SUNSEA Telecommunications Co., Ltd., etc. She is also commissioned to carry out intellectual property protection work in China for several well-known brands abroad such as NEW BALANCE、THE NORTH FACE、JANSPORT、H.D.LEE,etc. and acts as their first appointed IP attorney in China.
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Mr. Guo joined China Patent Agent (H.K.) Ltd. in 1989. And then when he worked in one IP law firm in Shenzhen as a patent attorney, he handled a lot of patent applications for many famous international companies, such as IBM, HP, DE, GE, HITACHI and PHILIP, . Mr. Guo served many High-Tech. enterprises, such as Huawei Technology Ltd., Kaifa Technology Co. Ltd. Besides patent application, he also dealt with different kinds of patent cases including revocation, invalidation and infringement. With more than 15 years’ professional experience, Mr. Guo is an expert in IP related disputes and litigation, particularly in electricity and computer areas. In 1999, Mr. Guo founded Standard Patent Agent Ltd. with other partners.
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With rich experience and extraordinary ability for challenging work, Mr. Gao has handled a lot of complicated intellectual proprietary right lawsuit, patent and trademark application cases, and retrieved millions of losses for his clients. He has been serving as legal consultant for some large-scale companies, such as China International Marine Transport Containers (Group) Stock Company, Shenzhen Milk Company, Shenzhen Jintian Industrial Co. Ltd. etc.
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Ms.  Qin Li (Sterna) Partner
Patent Attorney,Electrical Engineer 
1997 - 2001 B.E in Material Science And Engineering 
1997 - 2001 LL.B in Economic Law
2001 - 2002 Engineer MITAC COMPUTER (SHUN DE) LTD. 
2002 - 2005 IP Engineer  Netac Technology Co., Ltd. 
2005.5-       Patent Attorney, Stand Patent & Trademark Agent Ltd.
Practice areas
Electrical & Mechanical Patent Practice
Trademark and Copyright Practice
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Mr. Jun Lu (Legion)  Partner

Patent Attorney,Software Engineer

1997 – 2001    B.E in MIS,

1997 – 2001    LL.B in Common Law

2001.7-2002.2  Software Engineer Great Wall Computer Co., Ltd.

2002.3-2003.10 Patent Engineer Foxconn Group Co., Ltd. 

2003.11-          Patent Attorney,Standard Patent & TM Agent Ltd.

Practice areas

Electrical Patent Practice

Litigation and Dispute Resolution Practice

Trademark and Copyright Practice

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Ms. Qiuju Zou  

Patent Attorney 

2001.09-2005.06  B.E in Biomedicine Engineering, Huazhong University of Science and Technology

2005.09-2007.06  M.E in Biomedicine Engineering, Huazhong University of Science and Technology

2007.07-Now       Patent Attorney,Standard Patent & Trademark Agent Ltd.

Practice areas
Electrical & Biomedicine Patent Practice