The Patent Co-operation Treaty is a convenient method of filing a patent in multiple countries at the same time. The PCT is an international treaty with 152 Contracting States and World Intellectual Property Organisation (WIPO) is responsible for its administration.
Basically, it helps applicants to seek patent protection for an invention simultaneously in a large number of countries. This avoids the hassle of having to file multiple applications. Also, a single international application is enough for this which will act as the Thus, you can file an application under the Patent Co-operation Treaty directly or within the 12-month from the filing date of a first application under the Paris Convention. This is applicable for all Contracting States of the PCT. Hence, it is much simpler and cost-effective.
Also, do make sure that you check out this free e-book: A Quick Guide to Patents.
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