IP due diligence before investment or M&A using an invention patent certificate — how should the document set be assembled?

The scope of this answer is “IP due diligence before investment or M&A using an invention patent certificate”, so it deals with the case-specific points first and the shared rules afterwards. Once the set is complete, check it line by line against the destination's own checklist before filing. When several certification layers are required, start with the slowest one. With a fixed filing date, count backwards from it and book each certification step in reverse. Record the reference number of each certification layer; it is the fastest way to trace status. Attach a document index to the bundle so nothing is lost during review. What sets this case apart is the number of certified sets and the window in which they must be used. The deciding factor is the receiving body's requirement, not only the format of the Thai-side document. Before starting, count the number of certified sets needed before work starts, because extra sets restart the certification steps, then verify the source document is still within any validity window the recipient applies, then check that names are spelled identically to the passport or ID card on every page. The specifics here are purpose: Duediligence; document type: Patentcert, and those decide which translation and certification level applies. The terms that frame this page are diligence · before · investment · using. Trademarks, invention patents, petty patents and design patents are registered with the Department of Intellectual Property (DIP), Ministry of Commerce, under the Trademark Act B.E. 2534 and the Patent Act B.E. 2522 as amended. A translation provider cannot grant, amend or confirm any right; its role is to render the text exactly, including application and registration numbers, the goods and services listed under each class, filing and publication dates, seals and the registrar's signature block. An applicant without a domicile or a real and effective place of business in Thailand must act through a locally authorised agent. A power of attorney signed abroad must carry the signature certification and legalisation DIP requires, together with a Thai translation. Confirm the form and wording with the agent before signing, because later amendments mean re-certifying the whole set. 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. 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