Category: Trademark / AI Tech / Descriptiveness
Reading Time: 4 minutes
Overview
Refusal of the OPENAI mark for certain AI-related goods and services has been upheld in General Court of the European Union, Case T-555/25, OpenAI v EUIPO (OPENAI), July 15, 2026.
The ruling highlights a basic but often overlooked branding risk: a famous name can still be legally descriptive.On July 15, 2026, the General Court of the European Union dismissed OpenAI’s challenge to an EUIPO decision refusing registration of the word mark OPENAI for certain AI-related goods and services. The case is notable because it separates two concepts businesses often confuse: market recognition and inherent trademark distinctiveness.
Key Takeaways
1. Naming as a strong marketing strategy may nevertheless undermine its very own IP layout.
2. Acquiring distinctviness through use is a way to go, but is subject to strict review that even OPENAI fails to suffice so far.
Why was “OPENAI” considered descriptive?
The Court agreed with EUIPO that the relevant public could understand “OPENAI” as referring to artificial intelligence that is open, accessible, transparent, or based on open-source principles. For AI software and related services, that meaning was sufficiently direct to trigger the EU prohibition on registering descriptive signs.
OpenAI argued that OPENAI was a single coined expression, not simply “open AI.” The Court was not persuaded. The elements “open” and “AI” remained immediately recognizable even when joined together. The ruling also confirms that a term does not need to appear in a dictionary before it can be descriptive.
Fame does not automatically cure a weak mark
The commercially important point is that widespread recognition of the OPENAI name did not, by itself, eliminate the descriptive objection. The Court assessed the intrinsic meaning of the sign in relation to the relevant goods and services. A company can therefore build enormous goodwill around a name that was legally weak at the outset.
Of course, use in commerce is not meaningless on all trademark issues. When conditions are met, enterprises can attempt to obtain protection through paths such as "acquiring distinctiveness through use." The prerequisite is that this trademark and its related services or goods have gained sufficient market recognition, and there is enough evidence of use—including sales figures, user data, advertising investment, market share surveys, consumer surveys, and industry awards—to prove that this trademark already points to a specific source of goods or services, rather than just being a description of goods or services. Many trademarks that were initially merely descriptive can acquire distinctiveness after long-term use and promotion. Famous examples include American Airlines, Best Buy, Booking.com, etc. It should be noted that proving the acquisition of distinctiveness requires accumulating a large amount of evidence of use, such as advertising promotion and popularity; enterprises cannot assume that just because a market is successful enough, an inherently descriptive name will naturally become a strong trademark.
What this means for AI and technology companies
Technology startups often prefer names built from terms such as AI, smart, cloud, open, auto, digital, or neural because those words immediately explain the product. That marketing advantage can create a trademark disadvantage.
A name such as “SmartLegalAI” quickly communicates function, but much of the expression describes the product. A more arbitrary coined name may require more marketing investment, yet it can create a stronger and more enforceable trademark asset.
Practical Takeaway
Brand selection should be treated as an IP decision, not merely a marketing exercise. Before investing heavily in a new name, companies should test three questions: Is the mark available? Is it registrable? And if registered, how broad and enforceable will the protection be?
The OPENAI decision is a useful reminder that a brand can become commercially famous while still facing structural trademark weaknesses. For startups expanding internationally, the cheapest time to identify that problem is before launch—not after the name has become valuable.
Disclaimer
This article is for general informational purposes only and does not constitute legal advice. Reading this article does not create an attorney-client relationship. Businesses should consult a licensed before legal or commercial decisions.
Contributors
Jane (Jie) Li
Founding Attorney
California | +1. 213. 774. 2132
jli@innoslaw.com
Kefei Wu
Director of Global Operations
Paris | +33. 6. 98. 12. 89. 80
kwu@innoslaw.com





