Prior-use defense to a trademark claim: what to do, step by step

TL;DRA prior-use defense to a trademark claim is a seller's right to continue using a brand name, logo, or product identifier on the basis that the seller used it in commerce before the trademark owner's priority date – or that a senior, concurrent right exists in a specific channel or geography. On Amazon US, the defense does not work automatically: the seller must identify the precise complaint, gather dated evidence, and route a counter-argument through the right mechanism before the listing damage compounds.

A complaint can pull a top listing within hours. The brand may be exposed, inventory may go unsellable, and the disbursement clock keeps running regardless. That commercial pressure is exactly what complainants rely on – and what makes the procedural sequence matter so much.

This guide walks through the practical steps in order, from reviewing the initial notice to the decision point on escalation. Each section identifies where sellers typically lose ground, and what to do instead.

What prior-use defense to a trademark claim actually means on Amazon US

Prior-use defense is the principle that a party who used a mark in commerce before another party registered it can assert rights that override, or at least coexist with, the registered mark. In US trademark law, rights arise from use – not from registration alone. That foundational rule is what makes the defense available.

On Amazon US specifically, the defense surfaces in two practical scenarios. First, the seller has been selling under a name or mark for years, and a later registrant files an IP complaint through Seller Central. Second, the seller is a legitimate distributor or reseller whose own supplier or licensor holds a senior right, but a third-party brand-registry holder files against the listing anyway. Both scenarios raise the same core question: whose use is senior, and what documentation proves it?

What the defense is not: it is not a defense against a counterfeit complaint where the goods are genuinely misrepresented, nor does it resolve an unauthorized-reseller complaint, which turns on different rules. A complaint from a brand does not automatically mean the seller did something wrong – that is one of the most persistent misconceptions in our practice. The complaint may be filed in error, filed against a seller whose mark predates the complainant's registration, or filed against a reseller of authentic goods. Each situation needs a different response.

A Plan of Action (POA) or appeal that misidentifies the complaint type almost always fails. For a broader orientation on how IP disputes run across Amazon's systems, the guide to IP and Brand Registry on online marketplaces sets out the full map before you work through the steps below.

Step 1: Read the deactivation notice precisely and identify the complaint type

The first action is to read every word of the deactivation or policy notice before doing anything else – because the correct procedural path branches immediately depending on what type of IP complaint was filed.

Amazon's enforcement pipeline distinguishes between at least three different complaint types that can each result in a listing deactivation: a trademark-infringement complaint filed through Brand Registry's reporting tool; a counterfeit or inauthentic complaint; and a used-sold-as-new or product-condition complaint. Each has a different resolution path. A prior-use argument is relevant to the first category. It is almost never relevant to the second or third – submitting a prior-use argument in response to a counterfeit complaint wastes the response window and signals to Amazon that the seller has not understood the notice.

The notice should identify the complainant's name or business name, the ASIN or ASINs affected, the type of violation alleged, and – in many cases – the trademark registration number cited. Record all of these before proceeding. If the notice does not identify the complainant by name, the trademark registration number alone can be searched on the US Patent and Trademark Office (USPTO) database to identify ownership, registration date, and claimed goods and services. That search takes less than five minutes and is the foundation of every subsequent argument.

In matters we handle, a significant share of notices cite a trademark registration with a priority date that is later than the seller's documented first use. That is the opening for a prior-use argument. If the registration predates the seller's use, the analysis shifts to whether the seller's use falls outside the goods and services covered, or whether there is a geographic or channel-specific coexistence argument. Those are narrower defenses but they are real ones.

Step 2: Reconstruct the prior-use timeline and assemble evidence

Prior-use defense lives or dies on dated, independently verifiable documentation – and the evidence must predate the complainant's priority date, not merely the filing date of the complaint against you.

A trademark registration's priority date is typically the application filing date at the USPTO, though it can be an earlier date if the applicant claimed a foreign priority. That date is what the seller's use must predate. The registration's issue date is later and less important for this analysis.

The evidence categories that carry the most weight in a marketplace IP dispute are, roughly in order of persuasiveness: first-use specimens showing the mark in commerce (invoices, packaging photography, website screenshots, Amazon listing history screenshots with dates); supplier invoices or purchase orders pre-dating the complainant's priority date; domain registration records and archived web pages (the Wayback Machine captures at a date can serve as a reference point); trademark applications or registrations of your own, if any; and sworn declarations or affidavits of continuous use, if the matter escalates to a formal channel.

Compile these into a chronological evidence file with the earliest document at the top. Do not include documents whose date you cannot verify or that can be easily altered – Amazon's review teams and any downstream legal forum will examine the metadata as well as the face of the document. In the matters we work through, sellers who arrive with a well-organized evidence chronology move significantly faster through the resolution process than those who search for documents in real time.

One practical caution: do not file the first appeal with incomplete evidence on the theory that you will supplement later. Amazon's appeals system does not work like a court – there is no formal discovery or supplemental-brief opportunity. The evidence in the initial response is typically the evidence the reviewer sees. Incomplete filing is one of the most common ways sellers lose the first round on a prior-use argument they would otherwise win.

Step 3: Choose the resolution route – retraction request, counter-notice, or appeal

Once the evidence is in order, the seller faces the first real decision point: which mechanism to use. The realistic options on Amazon US are a complaint retraction request directed to the complainant, a formal appeal through Seller Central, or – where Brand Registry is involved – escalation through Brand Registry's dispute tools. These are not mutually exclusive, but the sequencing matters.

Retraction request: Many IP complaints on Amazon are resolved not by Amazon's internal review but by the original complainant retracting the complaint. Amazon itself encourages this. If the complainant's contact information is available (it sometimes is in the notice; the USPTO record will show the registrant's attorney of record), a direct, professional communication that presents the prior-use evidence and requests retraction can be the fastest path. This is not an admission of anything – it is a business communication. The tone should be factual and non-combative. In our practice, retraction requests accompanied by a clear prior-use evidence packet have a meaningfully better resolution rate than silent appeals to Amazon's review team.

Seller Central appeal: If a retraction is not forthcoming or the complainant cannot be contacted, the formal appeal through Seller Central is the standard route. This is where the organized evidence file matters most. The appeal should state the prior-use argument in plain terms, attach the evidence, identify the complainant's priority date, and show specifically that the seller's documented use predates it. Generic appeals ("we have always sold this product") fail. Appeals that state "Our first use in commerce was [date], evidenced by the attached supplier invoice, which predates the complainant's application date of [date]" give the reviewer something to act on.

Brand Registry dispute tools: Where the complainant is itself a Brand Registry enrollee, there are additional channels within the Brand Registry interface for disputing a rights-owner report. These tools have their own procedural steps and not all dispute types are handled the same way. A seller who has their own trademark registration – or who can demonstrate senior rights – can in some cases use the Brand Registry system to flag the conflict directly.

The decision between these routes depends on the complainant's identity, the strength of the evidence, and how quickly the listing needs to be restored. For sellers whose cash flow depends on the listing, a simultaneous retraction request and appeal is often the practical choice – provided both are well-prepared. Rushing either in the absence of complete evidence is the classic mistake.

A related scenario arises when a seller is defending not a proprietary mark but the right to sell an authentic product under someone else's mark. That is closer to a first-sale doctrine argument than a prior-use defense, and the steps diverge from this point forward. The guide on first-sale doctrine defense, step by step, covers that path in detail.

Step 4: Draft the appeal or retraction request – and what to avoid

The appeal document itself is where most prior-use defenses succeed or fail. A well-structured appeal presents the legal and factual basis clearly, in the order the reviewer needs to see it. A poorly structured appeal triggers a form rejection and begins the cycle of resubmission that compounds listing downtime.

The structure that works is: (1) a one-sentence identification of the complaint and the ASIN; (2) a plain statement of the prior-use defense and the evidence that supports it; (3) the specific dates that establish priority; (4) a list of attachments with a brief description of each; (5) a clear ask – reinstatement of the listing. That is five elements. Every word beyond them should add evidence, not assertion.

What to avoid in the appeal:

Emotional language or assertions that the complainant is acting in bad faith – Amazon's review team is not a neutral adjudicator and will not respond to tone arguments.
Legal citations without supporting documents – citing "prior use under the Lanham Act" without dated evidence achieves nothing on its own.
Mixing complaint types – if the notice cites trademark infringement, do not also address counterfeit concerns in the same response unless they are specifically alleged.
Vague timelines – "we have sold this for many years" is not a prior-use argument. A specific date supported by a specific document is.
Submitting an appeal before the evidence package is complete – as noted above, the first filing typically sets the record.

In the matters we work through, appeals that include a clear timeline document – a simple chronology showing the seller's first use date, the complainant's priority date, and the attached evidence for each – resolve faster and at a higher rate than appeals that present the same underlying facts in narrative form only.

If the complaint arose not from a trademark-infringement report but from an abuse of the variation or bundling system, the response mechanics are different. The page on why bundling and variation abuse complaints happen and how sellers respond addresses that scenario separately.

Step 5: Handle Amazon's response – escalation, rejection, and the options that remain

Amazon may respond to the appeal with reinstatement, a request for more information, or a rejection. Each outcome has a different next step, and the path after rejection is where sellers most often make avoidable errors.

If reinstated: Document the outcome. Note the date, the ASIN, and the complaint that was resolved. If the complainant filed multiple complaints, confirm that all affected ASINs are restored – a single appeal can leave related listings still deactivated if they were cited separately.

If more information is requested: Amazon's request for additional information often signals that the reviewer found the argument plausible but the evidence insufficient. This is not a rejection – it is a narrowing request. Respond specifically to what was asked, with additional documentation if available. Do not resubmit the original appeal unchanged.

If rejected: A rejection does not end the matter. The practical escalation paths include: a second appeal with additional or better-organized evidence; escalation through Amazon's executive seller relations or Selling Partner Support at a higher tier; contacting the complainant again with the rejection outcome as context; or – where the conduct of the complainant amounts to knowing misrepresentation – considering whether a separate legal action is warranted.

Amazon's dispute-resolution mechanisms for matters that cannot be resolved within Seller Central depend on the version of the Business Solutions Agreement (BSA) that applies to the account. The path – whether it runs through a Notice of Dispute, an informal resolution period, or arbitration through the American Arbitration Association (AAA) – is something we check on the specific account before advising on escalation. The BSA terms in this area are volatile, meaning they have changed over time and may change again; we never advise based on a generalized assumption of what the current version says.

A mid-sized accessories brand on Amazon US (spring 2026) came to us after a Brand Registry-enabled complainant filed a trademark-infringement report against three ASINs. The seller had sold under the mark for several years prior to the complainant's USPTO application date. We reconstructed the first-use timeline from supplier invoices and archived listing screenshots, drafted a focused appeal for Seller Central with the dated evidence package, and simultaneously sent a retraction request to the complainant's attorney of record. All three listings were restored, and the complainant withdrew the complaint without further escalation. The commercial downtime was under two weeks from the date we were retained.

Where the prior-use defense goes wrong – the most common failure points

Understanding where this process breaks down is as useful as understanding the correct steps. In matters we handle, the same failure patterns appear repeatedly.

Filing before evidence is ready. The pressure of listing downtime pushes sellers to file quickly. A premature appeal with a weak evidence base creates a rejection on the record and may narrow the options that remain. In most cases, taking an additional day or two to organize the evidence properly is the better commercial decision.

Conflating prior-use defense with first-sale doctrine. These are distinct arguments. Prior use is about who used a mark first in commerce. First-sale is about whether a reseller of genuine goods can use the brand owner's mark to describe and sell those goods. Submitting a first-sale argument in response to a prior-use scenario – or vice versa – signals to reviewers that the seller does not understand the distinction, and the response tends to be treated as non-responsive.

Ignoring the complainant's priority date. The seller's evidence must be dated before the complainant's priority date, not merely before the complaint was filed. These dates can be years apart. A seller whose first use predates the complaint by two months but postdates the registration by three years does not have a prior-use defense – they have a different problem that needs a different strategy.

Treating Amazon's process as adversarial litigation. It is not. The appeal process is an administrative review. The tone should be factual and cooperative. Assertions that the complainant is lying or acting in bad faith, without specific evidence, reduce the credibility of the factual argument.

Failing to monitor post-reinstatement. A reinstated listing can be taken down again by a new complaint from the same party or a related one. Sellers who resolve a prior-use dispute without documenting the outcome and without monitoring Account Health regularly find themselves repeating the same process weeks later.

Decision matrix: If the notice cites trademark infringement and the complainant's registration postdates your documented first use – the route is a retraction request plus a dated-evidence appeal, on a timeline that depends on the completeness of your evidence file. If the registration predates your use but you have a plausible geographic or channel coexistence argument – the route is a specialist review before filing, because a weak coexistence argument is worse than no argument. If the notice is a counterfeit complaint rather than a trademark complaint – the prior-use analysis does not apply, and a different response is required from the first step.

Related areas

IP and Brand Registry on online marketplaces – the complete guide to IP enforcement and defense across marketplace surfaces
First-sale doctrine defense – step-by-step guide for resellers defending against brand complaints

If a first appeal or filing already came back rejected, a second read of the record – the complaint, the evidence filed, and the rejection language – can identify the specific reason it failed and whether anything workable remains. The answer is not always yes, but finding out early is better than finding out after the listing has been dark for another month. To have the record reviewed, email info@tutamenlaw.com.

Frequently asked questions

How long does resolving prior-use defense to a trademark claim usually take on Amazon US?

Resolution time depends on the strength of the evidence, the route taken, and whether the complainant cooperates. A well-evidenced appeal that proceeds through Seller Central and results in reinstatement can resolve in a matter of days to a few weeks. If the complainant must be contacted separately, or if the matter escalates beyond the initial appeal, the timeline extends. Matters that require multiple rounds of appeal or escalation to senior Amazon tiers can run for several weeks or longer. Incomplete evidence at the first filing is the single biggest factor in extending that timeline.

What are the main risks if I handle prior-use defense to a trademark claim alone?

The most common risks are filing too quickly before the evidence is assembled, conflating prior-use defense with a different type of defense, and using the wrong procedural channel for the complaint type received. Any of these can result in a rejection that narrows later options. A secondary risk is in the retraction-request letter itself – if the communication to the complainant is poorly drafted, it can trigger escalation to litigation rather than resolution. The appeal record created in the first filing tends to define the factual position going forward, so errors made early are harder to correct later.

Do I need a lawyer for prior-use defense to a trademark claim?

Not always – but the cases where a seller most needs one are often the cases where the seller least expects to. If the complainant has a registration that predates your use, if the same complainant has filed multiple complaints, if the matter has been rejected once already, or if the complainant has indicated they intend to pursue the matter in court, legal review is likely the better investment. Attorney-led review also ensures that the retraction request and appeal are drafted to be accurate, which matters if the matter ever moves to a formal legal forum.

About Tutamen

Tutamen is an independent law firm for online marketplace sellers. We represent Amazon, Walmart, Etsy and eBay sellers in account deactivations, frozen-funds recovery, intellectual-property disputes, arbitration and Notices of Dispute, and US federal Schedule A defense, plus EU marketplace regulation. Our work is attorney-led and confidential, with fees quoted up front after a short review. We act for founders, brand owners and in-house teams who need a specialist for a marketplace dispute. Every matter is handled under attorney-client privilege, and we work with appropriate local counsel for matters outside our stated surfaces and jurisdictions. To discuss your situation, email info@tutamenlaw.com.

By Adrian Cole – Partner, IP & Brand Registry

Published July 17, 2026

Page authored by Adrian Cole, Partner, IP & Brand Registry, Tutamen.

Disclaimer: This article is general information, not legal advice, and does not create an attorney-client relationship. Marketplace policies and the law change, and every account and case is different. For advice on your situation, contact Tutamen at info@tutamenlaw.com.