When is the patent open day?

For example, my patent application date is 20 10 12 16. If the preliminary examination is qualified, when will the patent publication date start?

1. If the statement requiring early publication is not submitted, it will be made public after 18 months from the date of application.

2. If you submit a statement requesting an early announcement, it will be announced immediately after passing the preliminary examination. As for the date, it's hard to forget. It usually takes two to three months to prepare the announcement.

What did WeChat official account usually tell you? thank you

If you enter the publication procedure, China National Intellectual Property Administration will send you a publication instruction of the invention application, which says WeChat official account in the upper right corner. Of course, you can also check your application number on China National Intellectual Property Administration's website.