| OSIM | EUIPO | International |
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| Territory | Romania | All 27 EU member states, under one title | The countries you choose, through the Madrid System (WIPO) or national filings |
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| Typical timing | usually 6–8 months without oppositions | usually 4–6 months without oppositions | usually 12–18 months, depending on the countries |
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| Fee structure | fixed fee with 1 class included + a fee per extra class + OSIM official fees, which depend on the mark type and the number of classes | fixed fee with 1 class included + a fee per extra class + EUIPO official fees (the basic fee covers the first class) | WIPO basic fee + a fee for each designated country + correspondent fees where needed; quote on request |
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| When it makes sense | you sell mainly in Romania or want a cheaper first step | you sell in several EU countries or online to EU customers | you export outside the EU: the UK, the US, Switzerland, Moldova and others |
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The options can be combined. An OSIM mark can be the basis of an international application, and for 6 months after filing with OSIM you can claim the same priority date at EUIPO or in other countries.
The EU trademark has one drawback worth knowing: it's a single title, so an earlier mark in just one member state can block the whole application. If that happens, the application can be converted into national applications in the countries where there's no conflict.