Patent Filing in Croatia

Fees For Patent in Croatia 

Fees associated with filing patent applications in Croatia as well as other patent fees are available in the fee calculator.

The term for filing a Croatian patent application

The deadline for filing patent applications in Croatia claiming conventional priority is 12 months from the priority date. This term may be restored in Croatia within one year after the due date.

Minimum patent filing documents requirements in Croatia

To obtain a filing date, a patent application in Croatia 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 filing.

Priority document for application

The certified copy of the priority document and its translation into Croatian must be provided to the patent office within three months from the date of filing of the Croatian patent application. 

Power of Attorney requirements in Croatia

The official legalization of the Power of Attorney is not required 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 patent application in Croatia

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.

Novelty grace period for Croatian patent application

If disclosure of the information on the invention occurred at an official or officially recognized international exhibition or due to an evident abuse about the patent applicant or his predecessor within six months before the filing date, it will not disprove the novelty of the invention.

Grant and maintenance fees for patent application

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 and are to be paid annually from the third year onwards. Late payment is possible within a 6-month grace period provided that a surcharge is additionally paid.

Filing Utility Model 

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 shall perform a patent prosecution in Croatia through an agent, a registered Croatian patent attorney.


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

2. The patent protection in Croatia may also be obtained via European Patent and its further validation in Croatia.

If you have any queries related to the Patent Filing 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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