Common problems
Common problems
Company and industry news
客户系统
首页-->Common problems

What is the duration of Chinese patent?

发布于2011-03-08
The duration of China Patent for invention is twenty years, the duration of patent for utility model and design is ten years, counted from the application date in China.

contact us
北京市 西城区 阜成门外大街2号 万通新世界A711室
邮编:100037
电话:+86-10-6406 8271(总机);+86-10-8856 8506
(总机);      +86-10-6806 2950(总机)
直拨:+86-10-5287 9830(专利部)   +86-10-5287 9829(专利部)
   +86-10-5287 9828(国际部)   +86-10-5287 9831(商标部)
传真:+86-10-6406 8271;     +86-10-8856 8506
网址:www.farfir.com    电邮:mail@farfir.com
Contact Online
  • My status
  • My status