Ethos / Blog / How to find who owns a brand: the free registry method

How to find who owns a brand: the free registry method

Ethos · Published August 5, 2026 · Updated August 5, 2026 · 8 min read

The trademark on a product is registered to a specific legal entity, and that entity's own ownership sits in public records you can check for free: USPTO's trademark and assignment databases, OpenCorporates, and, for public companies, SEC EDGAR. The chain runs trademark record to operating entity to ultimate parent, each link dated, each link checkable. This is the exact method behind Ethos's own who-owns records, laid out here so you can run it yourself on any brand.

Why the registered owner is not always the "parent company" you expect

A trademark is typically registered to the specific operating entity that uses it, which may be a subsidiary with its own name, not the household-name parent you'd guess from a Wikipedia infobox alone. Wikipedia is a genuinely useful starting point, but it's a secondary source: it's edited by volunteers and can lag a recent acquisition or simply be wrong. The registries below are primary sources, the filing itself, dated, in the entity's own name.

Step 1: Find the trademark's registered owner

Start at USPTO's trademark search tool, tmsearch.uspto.gov, and search the brand name. For marks registered or filed outside the US, or to check whether a mark is protected internationally, WIPO's Global Brand Database, branddb.wipo.int, is free and searchable by name, number, or image similarity, and covers international Madrid System registrations plus participating national and regional trademark offices. Once you have a serial or registration number, open it in TSDR, tsdr.uspto.gov (Trademark Status and Document Retrieval), which shows the current registered owner's exact legal name, the filing date, current status, and the goods and services the mark covers. Write down the owner's name exactly as filed, that precision matters for the next step.

Step 2: Check whether the mark has changed hands

A trademark's registered owner on file today is not necessarily who filed it originally. USPTO's Assignment Center, assignmentcenter.uspto.gov, is the free tool for searching recorded ownership transfers, assignments between companies, each one dated and naming the assignor (the seller) and the assignee (the buyer). If a brand you're researching was acquired, this is often where you'll find the actual recorded date of the transfer, sometimes more precise than a press release's announcement date, which can predate the legal recordation by months.

Step 3: Look up the registered owner as a legal entity

Now take the exact legal name from TSDR and search it on OpenCorporates, a database that aggregates official company registry filings directly from government sources across more than 140 jurisdictions worldwide, per its own site. This tells you what kind of entity you're looking at, an LLC, a corporation, a holding company, when and where it was formed, and in many jurisdictions whether the registry itself lists a parent company. This step is what separates "who holds the trademark" from "who actually controls the business," they're sometimes the same entity and sometimes not.

Step 4: If the entity is publicly traded, check SEC EDGAR

If the entity you found is, or is owned by, a US public company, SEC EDGAR's full-text search, sec.gov/edgar/search, lets you search for the brand or entity name across filed documents. A 10-K annual report typically lists material subsidiaries; an 8-K discloses a material event, including an acquisition, dated to when it happened, in the company's own words. This is the step that resolves the top of the chain: not just who holds the trademark, but who ultimately consolidates that business on its books.

Step 5: Write down the chain and the dates

A complete ownership record is not a single name, it's a chain: the brand, the entity that holds the trademark (with the registration number and filing date), any recorded assignment (with its date), and the ultimate parent (with the source that establishes it, an SEC filing, a press release, or the parent's own investor page). Each link should carry its own date and its own source link, so someone checking your work later can verify each step independently rather than trusting the conclusion on its face.

A worked example

Take a hypothetical: you find a granola brand's trademark registered to "Sunrise Naturals Foods LLC" in TSDR, filed in 2019. Assignment Center shows a recorded assignment in 2022 from Sunrise Naturals Foods LLC to a new assignee, "Meadowbrook Holdings Inc." OpenCorporates confirms Meadowbrook Holdings Inc. is a Delaware corporation formed in 2021. Searching "Meadowbrook Holdings" in SEC EDGAR turns up an 8-K from a large public food company disclosing the 2022 acquisition of Meadowbrook Holdings Inc. as a wholly owned subsidiary. That's the full chain, brand to trademark holder to acquiring entity to public parent, each step dated and sourced, exactly what an ownership record should show. (This example is illustrative, not a real brand; run the same steps on an actual trademark and you'll get an actual, checkable chain.)

What this method does not tell you

These registries establish legal ownership and control, not conduct. Knowing who owns a brand is the first fact, not the whole picture, what that parent company does with its political donations, its labor practices, or its environmental record is a separate question, answered by different sources (SEC disclosures, the parent's own sustainability reporting, specialist watchdogs). See our five-minute research checklist for the next step once you have the parent's name. Ethos's own who-owns records run this exact registry method already, for brands already on file, so you can skip straight to a sourced answer.

Finding who owns a brand: FAQ

What is the fastest free way to check who owns a brand?: Start with USPTO's TSDR (tsdr.uspto.gov) for the registered trademark owner, then OpenCorporates for that entity's legal details. If the answer isn't a household name yet, check Assignment Center for any recorded transfer and SEC EDGAR if the ultimate owner is a US public company.
Is Wikipedia a reliable source for brand ownership?: It's a useful starting point and often accurate, but it's a secondary, volunteer-edited source that can lag a recent acquisition. Verify any Wikipedia "Parent" field against a primary source: TSDR, Assignment Center, OpenCorporates, or an SEC filing.
Do these registries cover brands outside the United States?: USPTO's tools cover US trademark registrations. For marks registered internationally or in other countries, WIPO's Global Brand Database (branddb.wipo.int) covers Madrid System international registrations and participating national and regional offices, and OpenCorporates covers company registries in more than 140 jurisdictions worldwide.
Why does the trademark owner sometimes differ from the "parent company" I'd expect?: Trademarks are often registered to the specific operating subsidiary that uses the mark day to day, not the top-level holding company. Following the chain through Assignment Center, OpenCorporates, and SEC filings (where applicable) is how you connect the registered owner to the entity that actually controls it.

This post describes a general research method using public registries and does not characterize the conduct of any specific company; the worked example in this post is illustrative and does not describe a real brand. Corrections: [email protected]