Can Online Sellers Successfully Fight Trademark Infringement Claims?

by | Sep 18, 2026 | Trademark Law

How common is it for online sellers to face trademark infringement claims in e-commerce?

Trademark infringement claims are relatively common in e-commerce, but they primarily affect a minority of sellers. This group often includes those who are either intentionally engaging in activities that infringe on trademark rights or those unintentionally doing so by following market trends without proper diligence. Some sellers, in efforts to capitalize on trends, may use supplier-provided materials or images and descriptions found online, which can expose them to legal risks.

What are the most common reasons sellers are accused of trademark infringement?

Most trademark infringement accusations stem from the use of specific words in product listings rather than unauthorized use of photos. Around 75% of claims are due to keywords in product titles or descriptions that infringe on trademarks. Some claims also arise from product images protected by copyright, while others involve utility or design patent infringement, often detected through investigative purchases or AI tools.

Does receiving a trademark infringement claim mean a seller is automatically at fault?

Receiving a trademark infringement claim does not automatically imply wrongdoing by a seller. Misunderstandings can occur, especially if sellers are distributing authentic products without the rights holder’s awareness. Not all claims are pursued with due diligence, and some defendants may rightfully claim fair use or prove the legitimacy of their products. It’s essential for plaintiffs to thoroughly verify claims before pursuing legal action.

How can sellers determine if a trademark infringement claim against them is legitimate?

Sellers should first verify the legitimacy of a claim by checking if it includes a summons and complaint, which requires immediate attention. In e-commerce, these are often served electronically. While some demand letters might seem like spam, especially in copyright contexts, they can still be legitimate. Sellers should pay attention to claims, especially those that result in platform notifications from entities like Amazon.

How should sellers decide whether to fight a trademark claim or settle?

Sellers should consider settlement as a primary option, as it can minimize costs and resolve disputes quickly. Settlement doesn’t always involve financial compensation; it can simply be an agreement to cease certain activities. If a claim seems baseless, sellers can inform the other party of misunderstandings and provide evidence of authenticity. Consulting an attorney helps evaluate risks and potential costs, guiding sellers toward the most beneficial resolution.

What proactive steps can online sellers take to reduce the risk of trademark infringement claims?

Sellers should thoroughly understand the products they sell and ensure they’re sourcing from legitimate suppliers. Conducting trademark clearance searches through tools like the USPTO’s system can help identify potential issues. For larger operations, employing automated tools or in-house staff to review listings can prevent infringements. Ensuring products are authentic and not mislabeled as branded items can significantly reduce risks of infringement claims.

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