By Michael Li
You sell an accessory that fits another company’s product and want to mention that brand in your listing. Or you resell a genuine item and wonder how to describe your relationship with its manufacturer.
In U.S. product listings, a trademark question often turns on what the presentation leads buyers to believe about the product’s source, sponsorship, or approval.
This guide explains the meaning of trademark infringement in that setting and what to review before publishing.
In general, U.S. trademark infringement involves using a protected mark without authorization in connection with goods or services in a way that is likely to confuse consumers about their source.
The USPTO’s guidance on trademark infringement explains that a claimant must establish valid trademark rights, priority over the defendant, and a likelihood of confusion.
An exact copy is not required. Courts consider factors such as the similarity of the marks, the relationship between the products, sales channels, purchasing conditions, and the strength of the mark. The relevant factors and their weight depend on the case.
For sellers, this means that a review should consider how a name or logo is presented, alongside the product being offered.
For broader context, read our guide to U.S. trademark law.
The issue can extend beyond who manufactured the product. Under §1125(a), misleading commercial presentations can raise questions about affiliation, sponsorship, or approval.
Review the listing as buyers will encounter it:
| Listing element | What to check |
|---|---|
| Product title | Whether it clearly distinguishes the product’s brand from another brand mentioned for identification or compatibility. |
| Brand field | Whether it accurately identifies the product being sold. |
| Main image | Whether logos, badges, or the layout could suggest an official connection. |
| Description | Whether compatibility, approval, and authorization claims are accurate and supported. |
| Overall presentation | Whether the title, images, and description communicate a consistent relationship. |
Illustrative example: An independent seller offers a replacement part that fits another company’s equipment. Calling it an “official replacement part” suggests a different relationship from explaining which equipment it fits.
If the seller cannot support that official relationship, the wording needs attention.
This example illustrates a review issue, rather than deciding whether a particular listing infringes. The product, trademark rights, surrounding presentation, and applicable legal standards still matter.
Mentioning another brand does not automatically establish infringement. A reference may be needed to identify a genuine product or explain what an accessory fits.
The purpose and presentation of the reference matter: buyers should be able to understand whose product is being sold and what relationship is being claimed.
One relevant concept is nominative fair use: using a trademark to refer to the trademark owner’s goods or services.
In Toyota v. Tabari, decided in 2010, the Ninth Circuit considered:
Whether the product could readily be identified without the trademark.
Whether more of the mark was used than necessary.
Whether the presentation falsely suggested sponsorship or endorsement.
The dispute concerned auto brokers’ domain names, rather than marketplace product listings. It illustrates that court’s approach; it does not provide a universal rule for every U.S. court or listing.
For a compatibility statement, check whether the reference is accurate and necessary, whether your own product’s identity is clear, and whether the presentation suggests approval you do not have.
Platform requirements need a separate check. For example, eBay’s IP policy tells sellers of products made for branded products to place “fits/for” before the referenced brand wherever it appears in the listing.
That is an eBay requirement. Adding “for” or “compatible with” should not be treated as a guarantee of legal compliance or permission to use any logo or image.
Use these five checks to identify questions that need attention before the listing goes live.
Confirm the product’s identity. Make sure the title, brand field, photographs, and description accurately describe the same item.
Explain why another brand appears. Is the reference identifying the item being sold, explaining compatibility, or claiming an official relationship? Make that purpose clear.
Support important statements. Keep records relevant to authenticity, compatibility, and any claimed authorization. Check what each document actually establishes.
Review image and text permissions. A trademark reference does not settle whether you may copy a manufacturer’s photograph or description. eBay’s policy separately addresses permission to use listing content.
Check a new brand before launching it. If you are developing your own name or logo, investigate potentially conflicting rights before investing in listings and packaging.
For that final check, the USPTO recommends a clearance search covering confusingly similar marks for the same or related goods and services. Its guidance includes federal registrations, pending applications, and common-law use.
An exact-name database search is a starting point, rather than a complete assessment. An experienced U.S.-licensed trademark attorney can help interpret relevant results.
Not on that basis alone. An invoice may document where you acquired the goods; an “authorized reseller” claim describes a relationship with the brand owner.
Before making that claim, check the authorization, who issued it, and what it covers. eBay’s policy warns against suggesting authorized dealer or reseller status when that is untrue.
Another listing is not permission. eBay’s guidance explains that another seller may have authorization, the listings may differ, or the rights owner may not have reported the other listing.
Review your own product, wording, images, and supporting records instead of relying on a competitor’s page.
Do not assume so. On eBay, ending or updating a reported listing does not remove the existing violation. Correcting the page and responding to the original report are separate tasks.
The allegation also matters. eBay distinguishes potentially correctable descriptions from allegedly counterfeit items reported through VeRO, which it says cannot be relisted.
A platform notice is not a court judgment. Preserve the notice and original listing, identify what is being challenged, and follow the applicable instructions before taking further action.
Start by checking what your listing tells buyers about the product’s brand and any relationship with another company. Resolve unsupported statements and retain the records behind important claims.
If your next step is launching your own brand, IPcrossark’s U.S. trademark applications service provides support with application preparation, goods and services selection, and filing requirements.
To discuss your application, contact IPcrossark with your proposed brand name or logo, product description, and target market. We can clarify the relevant service scope, required information, and proposed fees before you proceed.
For an existing infringement complaint, preserve the relevant materials and seek advice on the specific allegations and any response deadline.
USPTO: Infringement — General definition, priority, and likelihood-of-confusion factors. Updated January 28, 2025.
15 U.S.C. §1125 — U.S. Government Publishing Office, 2024 Edition. Supports the discussion of origin, affiliation, sponsorship, and approval. The relevant subsection was cross-checked against the OLRC text on October 26, 2026.
Toyota v. Tabari — Ninth Circuit discussion of nominative fair use. Filed July 8, 2010.
eBay: IP Policy — Brand references, authorization claims, and listing content. Accessed October 26, 2026.
eBay: Seller Guidance — Differences between listings, existing violations, and relisting restrictions. Accessed October 26, 2026.
USPTO: Clearance Searches — Searching for potentially conflicting trademark rights. Updated November 30, 2023.
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