PCT National Phase Entry in Croatia

Patent fees for Croatian PCT National Phase Entry

Fees associated with Croatian PCT National Phase Entry as well as other patent fees are available in the fee calculator.

The time limit for PCT National Phase entry in Croatia

The time limit for entering the Croatian national phase of a PCT application is 31 months from the date of priority. This term may be restored within 12 months from its expiration.

Filing requirements for a patent application based on PCT in Croatia

To obtain a filing date in Croatia, a patent application based on PCT must contain:

– an express indication that the grant of a patent is applied for;

– the name, or company name respectively, and the domicile or the principle place of business of the applicant;

– a description of the invention and one or more patent claims.

Language of the patent application in Croatia

The official language of the Croatian patent application is Croatian. The application may be filed in any other foreign language; however, the Croatian translation must be supplied within two months from entering the Croatian national phase.

Power of Attorney requirements in Croatia

The official legalization of the Power of Attorney is not required for PCT national phase entry in Croatia. PoA must be filed within 60 days upon receipt of the official invitation from the Croatian IP Office, and no extension of this term is possible.

Analysis of a Croatian patent application

Upon completion of the formal examination, the applicant is invited to request the state of art search. Together with the search report, the Patent Office may prepare a written opinion on patentability at the request of the applicant. Once the search report is ready, it is published together with the patent application. The request for substantive examination must be filed within 6 months from the publication.

Grant and patent maintenance fees in Croatia

The term for payment of the official grant fee is two months calculated from the date of receipt of the official action requesting the payment of the patent registration fees. Annuities apply for pending patent applications in Croatia.

Utility Model in Croatia

It is possible to file a utility model in Croatia. The validity term of the utility model is 10 years from the filing date. The Office examines whether the application has been duly filed and that the invention is not exempted from protection as a utility model. The utility model application cannot contain more than 10 claims. Novelty, inventive step, and industrial applicability of the invention are not examined by the Office. At the request of the owner, a full examination of the utility model may be requested to determine whether the invention is new, inventive, and industrially applicable. Such a request must be submitted no later than by the end of the seventh year of use.

Representation by a Croatian patent attorney

Foreigners must perform a patent prosecution as well as National Phase Entry in Croatia through an agent, a Croatian patent attorney.


1. Online Search Databases: Croatian Patents, European Patents (EPO).

2. The PCT application in Croatia may also be nationalized via European Patent registration and its further validation in Croatia. 

If you have any queries related to the PCT National Phase Entry in Croatia, please contact IIPLA team. We will be more than happy to resolve your queries free of cost.

If you wish to request a quote for Croatia, please fill the below form:

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