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Department of Intellectual Property, Thailand (TH/DIP) — national
Layer national
Jurisdiction TH (WIPO ST.3: TH)
Issuing body Department of Intellectual Property (กรมทรัพย์สินทางปัญญา), Ministry of Commerce
Rights administered patent (invention), patent (petty / utility model), design, trademark, copyright, geographical_indication
Working languages Thai (primary), English (partial)
Connector status planned (BYOK) — DIP Data Exchange platform permits per-user/per-org self-hosted access via Bearer token issued through paper-contract registration
Last verified 2026-05-18
Manifest entry not yet listed (planned)

Detail surveys:

Higher layers covering this office transitively:

  • EPO INPADOC (via regional/epo.md) — TH patents with EP / PCT counterparts.
  • WIPO PATENTSCOPE — TH national collection: 191,367 records, biblio + abstracts 1980-08-13 → 2025-12-08, last loaded 2026-01-22.
  • EUIPO TMview — >960k Thai trademarks since the DIP-EUIPO integration.
  • ASEAN TMview / ASEAN DesignView — TH aggregated with 8 other ASEAN states on EUIPO TMDN infrastructure (PH-operated as Country Lead, per research/national/ph-ipophl.md §3).
  • WIPO Madrid Monitor — IRs designating TH since TH's accession 2017-11-07.
  • WIPO Hague — NOT yet covering TH (Patent Act amendments approved by Parliament 2022-11-29; cabinet IP Work Plan 2025-08-26; not yet ratified).

Rating: 🟡 Yellow — BYOK

DIP Data Exchange platform at api.ipthailand.go.th/data-exchange/ catalogues 21 documented REST APIs across all six DIP rights (patents, petty patents, designs, TMs, copyright, music copyright, GI, statistics). Bearer-token auth via two-step paper-contract registration (DPMA / KIPO shape). Jump to access details → View on the atlas →

§1 Mission

DIP is Thailand's national IP office under the Ministry of Commerce. Unlike most SEA offices we've surveyed (ID/DGIP, PH/IPOPHL, SG/IPOS — all register-side red), DIP runs a real REST/JSON data-exchange platform with 21 documented APIs spanning all six rights families plus statistics. The contract gate is the constraint, not the technology.

§2 What's unique here

  • TH petty patents (อนุสิทธิบัตร) — a distinct simple-patent subtype not covered by EP / Hague / Madrid; DIP is the only register.
  • TH copyright recordal (notification register; copyright itself is automatic under the Berne Convention but DIP runs a voluntary recordation index).
  • TH music-copyright service as a separate API surface (A0002, V_API_CPRSONG).
  • TH geographical indications (สิ่งบ่งชี้ทางภูมิศาสตร์ — including the 137-item GI register Thailand has aggressively promoted in regional trade negotiations).
  • TH-language full text at register fidelity — neither PATENTSCOPE nor INPADOC carries DIP's Thai-language application text.

§3 Programmatic surfaces

DIP Data Exchange (the real REST surface)

Field Value
Catalogue endpoint api.ipthailand.go.th/data-exchange/view/home.aspx (200 OK, 84,715-byte HTML cataloguing 21 APIs)
Per-API endpoints Operational base URL resolved per-API via the catalogue's getformbody / GetField views; portal-then-host indirection (DPMA-shaped)
Auth Bearer token, issued after (a) self-service registration + (b) paper request letter posted to DIP's ICT Center within 30 days
Format JSON (POST request bodies; one GET)
Cost Free (no published fee on the registration page; postal-only contract route)
Rate limit Not published; per-token quota enforced by DIP
ToS posture Per-org Bearer token; the registration agreement is bilateral DIP↔contracting-party
Rating (BYOK) 🟡 Yellow — DPMA / KIPO shape; real REST surface with paper-contract gate
Rating (zero-infra proxy) 🔴 Red — credential is per-org and not transferable
Primary sources Data Exchange home · Register portal

The 21 catalogued APIs cover: 6 register-data APIs (invention patents, design patents, petty patents, TMs, copyright, music copyright, GI, unified patent chatbot), 1 TM-application search, and 13 statistics views (filings/grants by province / nationality across all rights). All published with API_NAME_ENG, API_URL, API_METHOD, version, and last-updated date in the catalogue DOM.

Consumer search hosts

Surface Stack Probe result
patentsearch.ipthailand.go.th Cloudflare Turnstile + ASP.NET WebForms 🔴 403 / Turnstile challenge
tmsearch.ipthailand.go.th Cloudflare Turnstile + ASP.NET WebForms 🔴 403 / Turnstile challenge
search-tm.ipthailand.go.th/portal Cloudflare-walled 🔴 403 / challenge
search.ipthailand.go.th Incapsula 🔴 HTML iframe shell only

Consumer UIs are anti-bot-walled. The Data Exchange APIs are the only programmatic path.

Statutes via Office of the Council of State

Field Value
Endpoint www.ocs.go.th (formerly krisdika.go.th; OCS rebrand)
Auth none
Format clean HTML (Apache 2.4 / PHP 7.3, no WAF)
Coverage Patent Act B.E. 2522 (1979); Trademark Act B.E. 2534 (1991); Copyright Act B.E. 2537 (1994); Industrial Design Act provisions in Patent Act; GI Act B.E. 2546 (2003); Trade Secrets Act B.E. 2545 (2002)
Rating 🟢 Green — clean static-corpus surface alongside WIPO Lex

§4 Fees

Policy: link only. Reproducing fee amounts is not our job.

DIP publishes fee schedules (in THB) for filing, examination, grant, opposition, renewal, and recordation across all rights families.

§5 Access via patent-client-agents

What we cover today

  • TH patents with EP/PCT counterparts via patent_client_agents.epo_ops (transitive).
  • TH TMs via ASEAN TMview / WIPO Madrid Monitor (transitive).

What we should add (planned — BYOK)

  • patent_client_agents.dip_register — DIP Data Exchange connector following the DPMA / KIPO BYOK pattern. Env-gates MCP tools on DIP_DATA_EXCHANGE_TOKEN; not exposed by the hosted demo. Covers patents, petty patents, designs, TMs, copyright, music copyright, GI, statistics. Estimated 4-6 days build given the catalogue-resolved per-API base URLs (portal-then-host indirection) and ASP.NET WebForms response shapes.
  • th_statutes — static-law SQLite/FTS5 corpus over www.ocs.go.th + WIPO Lex covering the six core TH IP statutes. Same pattern as ipo_in_statutes / dpma_statutes / legifrance_ip / tw_trade_secrets.

What we should NOT add (and why)

  • DIP on the hosted demo at mcp.patentclient.com — per-org Bearer token is not transferable; BYOK on self-hosted only.
  • Consumer-UI scrape (patentsearch.ipthailand.go.th, tmsearch.ipthailand.go.th) — Cloudflare Turnstile / Incapsula walls; brittle and against the spirit of anti-bot enforcement.

Next steps

  1. Register on Data Exchange and send the paper request letter to the DIP ICT Center. No documented foreign-developer eligibility constraint, but bilingual TH/EN paperwork.
  2. Write specs/th-dip-connector-spec.md. Pattern: DPMA-shaped Bearer auth + catalogue-resolved per-API URL discovery + JSON POST request bodies + per-right response model.
  3. Decide whether to record live cassettes (requires the token) or ship with synthesized fixtures (KIPO / INPI France precedent).

§6 Known unknowns

  • Hague accession timeline. Patent Act amendments approved 2022-11-29 but not ratified as of 2026-05-18. Once TH acceeds, TH designs become reachable transitively via WIPO Hague.
  • Token issuance latency. No primary source publishes typical paper-request turnaround.
  • API stability. Two of the 21 statistics APIs share view IDs across rights — V_PT_REGISTER_PROVINCE and V_PT_REGISTER_NATION appear in both A0024/A0026 (grants/filings) and A0025/A0027 — worth verifying whether this is a catalogue-rendering quirk or actual endpoint reuse.

§7 References

Primary sources only.

Service overviews:

Substantive law:

Transitive coverage:

Detail survey + wave:

Last updated 2026-05-18.