Du Yangyang

Patent Attorney

Mr.Du' s practice has focused on patent application, review, invalidation and litigation services in the mechanical and electrical fields since he started his career. With many years of working experience, Mr.Du has accumulated rich experience in mechanical and electrical patent knowledge service, and has unique insights and applications in electrical related patent laws and regulations. He can handle patent applications, review and invalidation cases on his own, and is especially good at Invalidation and litigation cases in the field of electricity.

Practice experience

Mr.Du once participated in construction electrical projects after graduation, and then joined the intellectual property industry and focused on the protection, confirmation and safeguarding of intellectual property rights in the electrical field. Since his career, he has provide professional legal services for many well-known universities, enterprises and academies of science such as Tsinghua University, Beihang University, North China Electric Power University, China Railway Electrification Bureau Group Co., Ltd., Vscan Company, Travel Blue Company, US CNUS Company, Japanese Burton Co., Ltd., and Zhejiang Guoshi Technology Co., Ltd.

Typical Case

1. Mr.Du represented China Nuclear Industry Motor Operation Technology Development Co., Ltd. in an invention patent infringement dispute case and related invention patent invalidation cases;

2. Mr. Du represented Quanzhou Golden Coast Marine Instrument Technology Co., Ltd. in an administrative litigation case concerning the invalidation of utility model patent;

3. Mr. Du provided patent mining and patent overall layout services for China Railway Electrification Engineering Group Co., Ltd.;

4. Mr. Du represented Tianjin Xingye Furniture, a leading enterprise in the Chinese furniture industry, to complete a defense case for invalidation of the furniture design;

5. Mr. Du represented multiple method and product patents of a university in Beijing involving patent application, response to office action and patent review;

6. Mr. Du represented a company in Henan in completing an international patent application case;

7. Mr. Du represented a Chinese research institute in completing a public opinion case on a certain patent;

8. Mr. Du acted as an agent for the request for invalidation of the design patent of "Rainshui grate" and successfully invalidated the competitor's patent.