Submitting a priority document in the European Union — how must it be translated and certified?

The subject of this page is “Submitting a priority document in the European Union”, so it flags what usually causes documents like this to be rejected before summarising the general practice. Keep a copy of every source document plus the receipt or docket from each step. If the receiving body confirmed its requirements by email, keep that message with the file. With a fixed filing date, count backwards from it and book each certification step in reverse. Leave buffer time in case a translation has to be amended or a source document re-issued. Once the set is complete, check it line by line against the destination's own checklist before filing. The terms that frame this page are Submitting · priority · document · European. The specifics here are document type: Priority; destination: Eu, and those decide which translation and certification level applies. Before starting, plan the timeline so certification finishes before the real filing deadline, then ask in advance which category of certified translator the destination accepts, then make sure document numbers, issue dates and issuing-office names match across the set. A key variable is the filing channel (in person, agent or online), which sets the copy format to prepare. The biggest risk in cases like this is doing the certification steps out of order, which forces a restart. Thai intellectual-property documents used abroad follow this order: a complete translation, signature certification by a notarial services attorney where the receiver requires it, certification by the Legalisation Division of the Department of Consular Affairs, Ministry of Foreign Affairs, then the destination embassy or consulate where required. Confirm the order with the receiving party first — skipping one step means starting again. IP translation must keep every number and term exact: application and registration numbers, filing and priority dates, Nice classes for goods and services, each claim, and the applicant and inventor names as they appear in the passport or company affidavit. Dates must state whether the Buddhist or Gregorian era is used, and seals and endnotes must be translated in full. Thailand is not a party to the Hague Apostille Convention, so no Apostille is issued for Thai documents. If the receiving party asks for one, explain that Thailand uses Department of Consular Affairs plus embassy legalisation instead, and get written confirmation from the receiver before proceeding. Cost and lead time depend on page count, target language, how technical the text is and the certification steps required, so every file is quoted before work starts. Send scans of every page together with the written requirements from the Department of Intellectual Property, the receiving agent or the requesting authority via LINE @NAATI, call +66 80-557-8887 or email ilc@thainotary.co.th.

ปรึกษาฟรี — LINE @NAATI · โทร 080-5578887 · อีเมล ilc@thainotary.co.th