Cankarjeva cesta 4
1000 Ljubljana


Barbara Mencin

  • Head of Office - Slovenia
  • Trademark and Design Attorney
  • European Trademark and Design Attorney
+386 59 067 345
+386 59 067 347

Country Facts

Roman Catholic

International Conventions

Paris Convention, WTO Agreement, WIPO Convention, WIPO Copyright Treaty, WIPO Performances and Phonograms Treaty, Berne Convention, Brussels Convention Relating to the Distribution of Programme-Carrying Signals Transmitted by Satellite, WIPO Phonograms Convention, Rome Convention, Patent Cooperation Treaty, Budapest Treaty, Strasbourg Agreement, European Patent Convention, Patent Law Treaty, Hague Agreement, Locarno Agreement (Industrial designs), Madrid Agreement, Madrid Protocol, Trademark Law Treaty (TLT), Nice Agreement, Vienna Agreement, Nairobi Treaty, UPOV Convention

Minimal Filing Requirements

Patent Applications

  • Applicant data
  • Name and address
  • Priority application data
  • Patent specification and claims

Trade/Service Mark Applications

  • Applicant data
  • Priority application data
  • List of goods/services
  • At least one representation of the mark (in color if claimed)

Industrial Design Applications

  • Applicant data
  • Priority application data
  • At least one drawing or photograph of the claimed model or design


All other documents may be filed subsequently. Powers of attorney do not need to be legalized or notarized. Declarations need to be original or notarized.

Some documents may require translation into Slovenian.


  • PETOŠEVIĆ services patrons throughout Eastern Europe, encompassing EU jurisdictions, non-EU Balkan countries, Ukraine, Georgia and countries in the Commonwealth of Independent States. Spanning 16 offices, its teams collaborate extensively to ensure consistent performance and results. Practitioners in Ljubljana focus on trademark prosecution and enforcement and manage several large portfolios for multinationals, which they also represent in customs matters. Barbara Mencin leads the group.

    WTR 1000 Rankings, 2023
  • For complex briefs demanding sound strategic guidance and seamless cooperation across borders, PETOŠEVIĆ can deliver on all counts. The Southeast European powerhouse combines the strengths of some 130 practitioners across 16 offices – with its latest outpost opening its doors in Nur-Sultan, Kazakhstan, in May 2020 – to meet and exceed all prosecution, portfolio management and enforcement needs of patrons without a hitch.

    WTR 1000 Rankings, 2022
  • The Slovenian outpost of PETOŠEVIĆ may be lean in size, but it has the full weight of this Eastern European prosecution powerhouse behind it. The wider firm has some 120 professionals based in 17 offices across the continent, who provide a superior service in 30-plus jurisdictions. It offers robust support at every stage of the brand lifecycle, but exceeds all expectations in portfolio management and administrative actions, where its practitioners showcase seamless interoffice cooperation to great effect.

    WTR 1000 Rankings, 2021
  • Having recently opened a new office in Minsk, PETOŠEVIĆ now operates out of 17 bases across Eastern Europe and offers a level of cross-border coverage that few, if any firms in the region can match. Although smooth operators in all areas of trademark practice, the side excels when it comes to managing the portfolios of international brands and handling oppositions.

    WTR 1000 Rankings, 2020
  • Dedicated IP practice, supported by its offices throughout the CEE region to offer cross-border services to regional and international clients. Reputed for advising on trade mark registrations and litigation as well as customs matters. Also offers expertise in patent-related matters.

    Chambers & Partners Europe, 2019
  • PETOŠEVIĆ is a beacon in the Eastern European IP scene. Its most recent base opened in Tashkent, Uzbekistan – a clear message that the ensemble is continuing to widen its horizons, for maximum protection of its clients’ brands. Its multi-jurisdictional reach is a boon to many multinational corporations, which flock to instruct the unit on a full range of trademark issues.

    WTR 1000 Rankings, 2019
  • They deliver exhaustive, practical, business-minded counsel time and time again. Owing to the efficiency with which information flows through the firm’s network, it would prove a congenial partner for any multinational with an expansive portfolio which is facing infringement issues on multiple fronts.

    WTR 1000 Rankings, 2018
  • Clients praise the business-minded approach of the lawyers: "They offered not prescriptive advice but practical. They understood our commercial predicament and took the time to understand our business and our needs."

    Chambers & Partners Europe, 2018
  • Dedicated regional IP practice joining the rankings following an impressive year and excellent feedback. Reputed for advising on trade mark registrations and litigation. Also offers expertise in patent-related matters. Frequently advises clients from the healthcare and pharmaceutical industries. A client praises the service received, stating: "Overall, we have been impressed with their prompt, clear and detailed responses, courteousness and patience".

    Chambers & Partners Europe, 2017
  • With 15 offices spread across Central and Eastern Europe, PETOŠEVIĆ can deftly manage multi-jurisdictional portfolios for an extensive list of international clients; it also packs a serious punch in the courtroom. It has been especially active before the SIPO of late, securing a slew of high-profile registrations.

    WTR 1000 Rankings, 2017
  • Prosecution and enforcement prowess with a cross-border slant characterises the service on offer at PETOŠEVIĆ. The Ljubljana branch specialises in the astute administration of extensive portfolios and the orchestration of customs seizures for prestigious brands. Oppositions and appeals before the SIPO have kept the team busy of late, but it has also been active in cracking down on parallel imports.

    WTR 1000 Rankings, 2016