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Frequently Asked Questions About Patent
1.What is a patent?
2.How many types of patent protection are provided in China?
3.What is the duration of a patent in China?
4.Which subject matters can not be granted a patent?
5.What kind of invention or utility model or design can be granted a patent?
6.What is the priority?
7.What is the file system in the Chinese patent application?
8.Which language does my application need to be file in China?
9.What is the deadline for entering the national phase application based on PCT application?
10.When will a patent application be published in China?
11.When shall the applicant file a request for a substantive examination?
12.Whether can the applicant proceed with amending the application on his or its own initiative after filing an application?
13.What criteria are used to determine the scope of a patent protection?
14.If an application is rejected, what shall the applicant do?
15.Who may declare a patent invalidation?
16.Whether does the patentee mark the patent number on the products?
17.How to file a patent application for foreign entities and individuals?
18.If a patent is infringed, what can the patentee do?


15.Who may declare a patent invalidation?

Any entity or individual may request the Patent Reexamination Board to declare a patent invalidation 
from the date of announcement of the grant of  the patent right. The Patent Reexamination Board shall      
examine the request and make a decision for invalidation of the patent right. 

Where any party is not satisfied with the decision of the Patent Reexamination Board declaring the 
patent right invalidation or upholding the patent right, such party may institute legal proceedings in the
People's Court within three months from receipt of the notification of the decision.