National Phase of PCT applications

Lithuania is a member to the Patent Cooperation Treaty of June 19, 1970, consequently the Lithuanian Law provides for protection of patents filed by this system: either in Lithuania or in a foreign country.

The following documents are to be submitted to the SPB in this country for entry into the national phase of a PCT application:

• a copy of publication of the PCT application (certification is not required);
• the Lithuanian translation of the description, the claims, the abstract and the text of the drawings;
• drawings;
• Declaration of Inventors (LT SPB Form);
• the Power of Attorney (LT SPB Form, notarisation or legalization not required, may be filed within 3 months from the date of filing the Lithuanian translation of claims);
• a document in proof of payment of the relevant annual fee.

The provisional protection of a PCT application becomes effective from the date on which the Lithuanian translation of the claims is published in the Lithuanian SPB Official Bulletin.

After payment of the official fee for grant of the Lithuanian patent, the invention is entered into the LR Patent Register. Then follows grant of patent and its publication in the LR Official Bulletin.

The period of the patent validity as well as the periods for payment of annual fees are calculated from the date of filing the PCT application.

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