Law office „Bratić Janković“ Trademark & Patent Firm provide full of services relating to Intellectual property Law, IP enforcement as well as alternative dispute resolution. Law office offer full assistance in anti piracy, negotiating and drafting assignments, license agreements and other types of Intellectual property related contracts as well as all types of criminal procecutions.


We offer full od following:



Filling patent national applications,

Filling patent International applications - PCT

Extension of patent validation

Negotiate and patent licenses

Litigate patent disputes


Legal opinions



Filing the application, formalities examination within 18 months, publication, substantive examination, publication of granted patent.
Application requirements for the national patents:
1. Data about the applicant
2. Title of invention
3. The description ( patent claims, drawings, abstract )
4. Priority data if Priority is request - certified copy of the previous application)  - has to be presented within 3 months from the date of filing
5. Assignment / the applicant's statement – must be signed by the applicant / when applicant is not the inventor notarization is not necessary
6. Power an attorney

Duration / Validity of patents:

The validity of patent is 20 years from the date of filing the application.
The validity of petty pattent is 10 years from the date of filing the application

The annuities/renewal fees:

Due from the 3rd until 20th year calculating from the date of filing the application.

Renewal fees:

Up to 3rd until 20th year since the date of filing the application.
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