Official website inquiry
When you go to the patent inquiry websites of various countries, you can find that patents have regional characteristics, and the patent databases of various countries are independent. You can go to the corresponding websites according to the sales regions and platforms. The characteristic of this kind of query is very accurate, but the disadvantage is low efficiency.
National patent inquiry website:
Global ipa.gov.cn/; United States/; EU Appearance Patent https://euipo.europa.eu/; Https://www.gov.uk/search-for-patent, and Britain; Http://www.opic.gc.ca/,, Canada.
2、
Professional team
It is more accurate to find a professional law firm or team. They have their own retrieval database and method, which can find out whether the patent is infringing in the shortest time.
When applying for a patent abroad, we should pay attention to the following points:
1. According to the regulations, before directly applying for a foreign patent, the applicant must submit a patent application to the China Patent Office.
2. An applicant who applies for a foreign patent within the priority period may enjoy the priority of the original patent application in China. If the original China patent application has exceeded the priority period but has not been made public, you can also apply for a foreign patent before it is made public, but you will no longer enjoy priority.
3. If the applicant entrusts a patent agency to apply for a foreign patent, it is best to go through the entrustment formalities two months before the expiration of the priority period, so as to avoid increasing the application fee due to time constraints.
The above is about "
How to inquire about foreign patents, I hope it will help you.