Case of patent invalidate : Shenzhen Tianqing Electrical Industry Co.LTD V. Guizhou Tianyi Electrical Industry Co.LTD2005-01-12

Guizhou Tianyi Electrical Industry Co.LTD belongs to China Aviation Industry Corporation, Its mai...

Huabei Petroleum Administrative Bureau visited ZBSD’s office2004-12-08

On December 8, the Intellectual Property Department director of Huabei Petroleum Administrative B...

ZBSD’s Patent Attorney Invited for IPR Lecture by IP Firm of Yiwu City2004-10-08

On October 8, our patent attorneys at law of ZBSD were invited by IP Firm and company of Yiwu Cit...

Beijing ZBSD Held a Seminar on a Utility Model Invalidation case for the First Time in China2004-03-09

As ordered by the Intellectual property judicial authentication center and China Intellectual Pro...