Quick answer: To check trademark lookup, use the official intellectual property database first, then compare the owner, serial or registration number, status, filing date, goods or services, and document history.
Last checked: June 3, 2026. This page is a practical checking guide for trademark search, application status, registration status, and international brand records. It is not legal, financial, medical, licensing, or compliance advice.
Best official source to start with
Start with USPTO trademark search. If the record depends on a state, province, city, country, professional board, or regulator, use that local official database next.
Official sources to check
| Official source | What to use it for |
|---|---|
| USPTO trademark search | Official USPTO search system for live and dead trademark records. |
| USPTO TSDR status check | Official USPTO trademark status and document retrieval guidance. |
| WIPO Global Brand Database | International brand and trademark database from the World Intellectual Property Organization. |
Step-by-step check
- Open the official source, not only a search-result snippet or third-party profile.
- Search the exact legal name, license number, registration number, application number, or ID if you have it.
- Compare spelling, jurisdiction, status, date, and any former names or related entities.
- Review owner, serial or application number, live/dead status, goods or services, classes, and document history.
- Save the official link and the date you checked it if the decision matters.
What to compare before trusting the result
| Check point | Why it matters |
|---|---|
| Name match | A similar name is not proof. Check identifier, jurisdiction, and status. |
| Status wording | Active, registered, expired, dissolved, suspended, and pending can mean different things by agency. |
| Update delay | Public databases may lag behind recent filings, renewals, or enforcement actions. |
| Jurisdiction | Many records are state, province, city, country, or regulator specific. |
Common mistakes
- Trusting only a Google snippet, directory card, PDF mirror, or scraped profile.
- Ignoring jurisdiction when the same name appears in more than one country, state, or licensing board.
- Assuming a certificate, license, registration, or filing is current without checking the status date.
- Confusing a pending application with an active registration or verified credential.
Searches covered by this guide
This seed guide covers searches such as: trademark lookup, trademark search.
FAQ
Is this Trademark Lookup guide an official registry?
No. Registry Check Guide is not an agency, regulator, certification body, law firm, or official database. The guide points you to official sources and shows what to compare.
Why do I need the official source if a search result already shows an answer?
Search snippets and third-party profiles can be outdated or incomplete. The official record is where status, filings, identifiers, and limitations should be checked.
What should I do if the official source and a third-party page disagree?
Treat the official source as the starting point, then check the date, jurisdiction, and exact identifier. If the decision is high-risk, contact the regulator or registry directly.