What is Arbitrary Mark?
A trademark using a common, existing word applied to goods or services that have no logical connection to the word's ordinary meaning.
An arbitrary mark is a trademark that uses a real, existing word from the common dictionary — but applies it to goods or services that have no logical relationship to the word's ordinary meaning. "APPLE" for computers, "AMAZON" for e-commerce, "SHELL" for petroleum, and "CAMEL" for cigarettes are all arbitrary marks. The words themselves are common and well-known, but in the context of the goods they identify, they carry no descriptive or suggestive meaning whatsoever. It takes imagination, not to understand what the product does, but to understand why that particular word was chosen.
Arbitrary marks are considered inherently distinctive and occupy the second-highest tier on the trademark strength spectrum, just below fanciful marks (which are invented words) and above suggestive marks. Because the word has no connection to the product, consumers immediately perceive it as a source identifier rather than a product descriptor. This inherent distinctiveness means arbitrary marks are registrable without any need to demonstrate secondary meaning or acquired distinctiveness.
The strength of an arbitrary mark comes with one important caveat: the same word that is arbitrary for one product category may be descriptive or even generic for another. "APPLE" is a powerful arbitrary mark for computers but would be generic for fruit and descriptive for apple-flavored beverages. The arbitrariness depends entirely on the relationship between the word and the specific goods or services in question, not on the word itself in the abstract.
Why It Matters
Arbitrary marks offer an exceptionally strong foundation for brand protection. Their inherent distinctiveness means they are easy to register, and their disconnect from the product category means they are difficult for competitors to argue they need to use. A competitor selling computers has no legitimate need to use the word "apple" in connection with their products, which makes enforcement straightforward and defenses limited.
From a branding perspective, arbitrary marks have the advantage of building upon existing word recognition. Unlike fanciful marks (invented words like "Xerox" or "Kodak"), arbitrary marks don't require consumers to learn a new word — they repurpose a familiar one in an unexpected context. This can make them more memorable and culturally resonant. However, the dual existence of the word in common vocabulary and as a trademark requires robust brand management to ensure the trademark meaning does not become diluted by the everyday meaning.
How Signa Helps
Signa's search API is particularly valuable for arbitrary mark clearance because it allows filtering by Nice class. Since the same word may be registered as a trademark in dozens of unrelated product categories, class-specific searching is essential to determine availability in the applicant's specific market. Signa's global coverage ensures that an arbitrary mark is evaluated across all relevant jurisdictions, identifying potential conflicts in markets the applicant may not have initially considered.
Real-World Example
A fitness equipment startup considers naming their new smart rowing machine "FALCON." The word has no connection to fitness equipment, making it an arbitrary mark in Class 28 (sporting goods). A clearance search reveals "FALCON" registrations in Class 28 by two different companies — one for golf clubs in Australia and another for exercise machines in Germany. While no registration exists in the US for Class 28, the German registration poses a problem for the startup's European expansion plans. They proceed with the US filing while adjusting their European market entry strategy to avoid the conflict.