Understanding different types of Patent Applications in Sri Lanka

How to file a patent in Sri Lanka?

 Patent applications can be filed as:

a) Ordinary application:

How to file an Ordinary Patent Applications in Sri Lanka?

An application for patent is filed in the Patent Office without claiming any priority of application made in a convention country or without any reference to any other application under process in the Patent Office is called an ordinary application.

b) Convention Patent Application

How to file a Convention Patent Application in Sri Lanka?

When an applicant files the application for a patent, claiming a priority date based on the same or substantially similar application filed in one or more of the convention countries, it is called a convention application. The convention application shall be filed with the Patent Office within 12 months of filing the similar application in the convention country.

c) PCT National Phase Patent Application

How to file a PCT National Phase Patent Application in Sri Lanka?

PCT is an international filing system in which the applicant gets an international filing date in all the designated countries, conferring the late entry (up to 31 months) to the national offices without affecting the priority date. The PCT does not provide for grant of Patent, the responsibility of granting or rejecting the patents lies exclusively with the regional patent offices on the basis of their local Patent law and rules. Sri Lanka is a contracting party to PCT. PCT National Phase Patent application can be filed within 30 months from the date of the earliest priority.

d) Divisional Application

How to file a Divisional Patent Application in Sri Lanka?

A divisional application is one which has been “divided” from an existing application. The date of filing of a divisional application is same as that of the main application, from which it has been divided.

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