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TRADEMARKS · AI · BRAND PROTECTION

Journal

DeepSeek’s U.S. Trademark Battle: A Lesson in Brand Protection

DEREK FAHEY, ESQ.

DeepSeek, a Chinese artificial-intelligence company, encountered a U.S. trademark challenge that illustrates why businesses should secure intellectual-property rights early. The dispute also highlights the limits of common-law trademark rights in a digital marketplace where brands can quickly extend beyond their original geographic markets.

The Trademark Dispute

DeepSeek attempted to register its AI-related mark in the United States, only to discover that Delaware-based Delson Group Inc. had applied for the same name approximately 36 hours earlier. Delson claimed use of the “DeepSeek” mark dating to 2020, while DeepSeek asserted first use in 2023.

Delson had also filed applications involving names associated with other major Chinese companies. That history raised questions about trademark squatting, but Delson operated a live website advertising AI-related training events, which could support a claim of legitimate use.

Because U.S. trademark rights generally favor the first party to use a mark in commerce, an earlier filing and a supported claim of use may create a stronger legal position.

Key Takeaways For Businesses

File Early to Establish Nationwide Rights

Common-law trademark rights are generally limited to the geographic area in which a business has established recognition. A federal registration can establish nationwide priority and reduce the risk of a later dispute.

Watch For Trademark Squatting

Some parties file applications for emerging or well-known brands with the expectation of profiting from a future conflict. Early clearance searches and prompt filing can reduce exposure to opportunistic applicants.

Protect The Brand Before Launch

Companies entering the U.S. market should consider trademark protection before publicly announcing or launching a brand. Online visibility does not eliminate the territorial limitations of common-law rights.

Conclusion

DeepSeek’s dispute is a cautionary example for companies expanding into new markets. Filing early can establish nationwide rights, deter conflicts, and provide a stronger legal foundation for brand growth.

BY DEREK FAHEY, ESQ.DATE UNAVAILABLEDEEPSEEK’S U.S. TRADEMARK BATTLE: A LESSON IN BRAND PROTECTIONTHE PLUS IP FIRM © 2026

ABOUT THE AUTHOR

Derek Fahey Esq.

I am an engineer and a patent attorney. I truly love what I do. I am a naturally inquisitive person, I love understanding how things work and how I can make them better. I enjoy being involved with the creative process—and I consider myself very fortunate that as a patent attorney I can help people profit from their ideas, concepts and innovations. My clients inspire me, which compels me to help them so that they can improve the lives of others.

Meet DerekContact Derek
Derek Fahey, Esq.

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