Search
On the behalf of a client in a design invalidation proceeding( Chinese patent ZL. 200930134194.4), Mr. Zhongkui Li, a patent attorney from our TDIP filed a request for invalidation due to the above-mentioned patent failed to satisfy with requirements under Art.9 of the Chinese Patent Law. The Reexamination Board totally agreed with our stands and issued a decision where the key factor is: the fine differences in a part of the design product would not significantly affect the overall observation from the assembled or disassembled design product. Accordingly, the patent is announced invalid.
TDIP Participates in the Science and Technology Expo Forum
2025-05-09
TDIP participates as an exhibitor in the 27th China Beijing International High-Tech Expo (2025).
2025-05-07
TDIP actively participated in the Open Day event of the National Intellectual Property Awareness Week 2025
2025-04-25
Add Room 2002, A- Building, North Ring Center, No.18 Yumin Road, Xicheng District, Beijing 100029, P. R. China
Email tdip@tongdaxinheng.com
Tel 010-52593268
Message Board
Name：
Email：
Tel ：
Add ：
