Trademark
trade identifier of products or services

A trademark (also written trade mark or trade-mark) is a type of intellectual property that consists of a word, phrase, symbol, design, or combination thereof that identifies a product or service from a particular source and distinguishes it from others. Trademarks also extend to non-traditional marks like drawings, symbols, 3D shapes like product designs or packaging, sounds, scents, or specific colors used to create a unique identity. For example, Pepsi is a registered trademark associated with soft drinks, and the distinctive shape of the Coca-Cola bottle is a registered trademark protecting Coca-Cola's packaging design.
The primary function of a trademark is to identify the source of goods or services and prevent consumers from confusing them with those from other sources. Legal protection for trademarks is typically secured through registration with governmental agencies, such as the United States Patent and Trademark Office (USPTO) or the European Union Intellectual Property Office (EUIPO). Registration provides the owner certain exclusive rights and provides legal remedies against unauthorised use by others.
Trademark laws vary by jurisdiction but generally allow owners to enforce their rights against infringement, dilution, or unfair competition. International agreements, such as the Paris Convention and the Madrid Protocol, simplify the registration and protection of trademarks across multiple countries. Additionally, the TRIPS Agreement sets minimum standards for trademark protection and enforcement that all member countries must follow.
Terminology
Trademarks
The term trademark can also be spelled trade mark in regions such as the EU, UK, and Australia, and as trade-mark in Canada.
“Trademark” enters the record as trade identifier of products or services. Crown Archives preserves that source wording while asking what Trademark, trade and identifier can confirm, complicate or overturn.
Why this record matters
“Trademark” is worth following because a concise public description often conceals a longer documentary argument. Here, Trademark, trade and identifier provides the most credible route into that argument.
The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 19, 2026. The linked authority identifier is Q167270. The Library of Congress control number is sh85136742. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
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The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Trademark”, its source revision and the description used here.
- Expand the search: follow Trademark primary sources, Trademark archive and Trademark research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
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This entry incorporates text from “Trademark” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.