What are the conditions and procedures for applying for an international patent
1. International patent application process
Step 1: Submit application
The applicant submits an international application in one language that meets the PCT formal requirements and pays a set of fees .
Step 2: International search
By the "International Search Authority (ISA)" (one of the world's major patent offices ) searches for public documents that may affect the patentability of the invention and makes an opinion on the patentability of the invention.
Step Three: CountryInternational publication
The contents of the international application will be published from the earliest application It will be made public as soon as possible after the expiration of 18 months from the date.
Step 4: Supplementary international search (optional)
By those who are willing to provide supplementary searches and do not participate in the main search The International Searching Authority searches for published documents that the International Searching Authority conducting the main search failed to retrieve due to the diversity of languages and technical fields of the prior art.
Step 5: International preliminary examination (optional)
At the request of the applicant, after international publication (usually In the case of amendments to the original application), an additional patentability analysis is performed by an International Searching Authority.
Step 6: National Stage
After the PCT procedure is completed, the applicant begins to apply directly to the country ( or regional) patent office to seek patent grant.
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