Improper joinder of defendants: a seller's checklist

A federal order froze your marketplace funds before you knew the lawsuit existed. The complaint lists dozens – sometimes hundreds – of sellers as "Schedule A Defendants," grouped under a single case as though they were a coordinated operation. They were not. Each seller listed separately ran a separate storefront, sourced independently, and had no connection to the others. That aggregation of unrelated defendants into one action is the practice courts have increasingly scrutinized, and it is the legal pressure point this checklist is built around.

TL;DRImproper joinder of defendants is a procedural defect in Schedule A / TRO cases where the plaintiff bundles unrelated marketplace sellers into a single federal lawsuit to obtain a single restraining order and asset freeze. A seller named in such a case is not automatically liable. The realistic path runs through a motion to sever or dismiss for misjoinder, which – when well-timed and properly supported – can dissolve or limit the freeze and restore account access.

This checklist moves phase by phase: from the moment you receive or discover the notice, through the factual investigation, to the procedural filings, and into the decision about settlement versus continued litigation. Work through each phase in order. A step skipped early rarely can be recovered later.

Phase 1: What is improper joinder of defendants in a Schedule A case?

Improper joinder exists when a plaintiff names sellers who share no transaction, no common supply chain, and no coordinated activity in a single federal complaint – relying solely on the allegation that each sold a product bearing the same trademark.

Under the Federal Rules of Civil Procedure, defendants may be joined in one action only if the claims against them arise out of the same transaction or occurrence, or the same series of transactions, and share a common question of law or fact. In many Schedule A filings, neither condition is genuinely met. Each defendant operates a distinct storefront. Each sourced and listed independently. The fact that a plaintiff alleges infringement of the same mark against all of them does not, by itself, satisfy the joinder test.

Why does it matter? When joinder is improper, the court's order – including the asset freeze – rests on a procedurally defective foundation. Challenging that foundation can accelerate the return of frozen funds and, in some matters, change the economics of the whole dispute. In matters we handle, a successful severance motion forces the plaintiff to file separately against each defendant, increasing cost and complexity for the plaintiff and often producing better settlement terms for the individual seller.

A temporary restraining order (TRO) in a Schedule A case is typically obtained ex parte – without the defendant present – using sealed filings. The seller may have no notice until the marketplace freezes the account. For background on how the sealed-complaint mechanism works, see what a sealed complaint against online stores means for marketplace sellers.

Phase 1 checklist

• Confirm you have been named as a Schedule A Defendant – not merely notified of a standard IP complaint through Seller Central.
• Identify the court, the case caption, and whether the complaint is still sealed or has been unsealed.
• Count the total number of defendants in the Schedule A exhibit. A large defendant count is itself a signal that joinder may be challengeable.
• Note the date of the TRO and any freeze on your marketplace or payment accounts – this fixes the clock for your motion.
• Do not contact the plaintiff's counsel without legal representation in place; anything said can affect the settlement posture.

How does a motion to sever for improper joinder actually work?

A severance motion asks the court to separate your case from the mass action on the ground that joinder of your storefront with the others was improper from the outset.

The motion does two things at once. It challenges the procedural validity of naming you alongside unrelated sellers, and it typically includes a motion to dissolve or modify the TRO as to your account on the same grounds. Courts have granted severance in Schedule A matters where the plaintiff could not articulate a genuine transactional or factual link between the grouped defendants beyond the shared trademark allegation.

The motion is filed in federal court and runs on the court's own scheduling. There is no fixed timeline, and results vary by district and judge. What can compress the timeline: a strong factual showing that your account and operations are entirely independent of any co-defendant; evidence that the plaintiff's sealed-complaint procedure was used to obtain a freeze without the factual predicate required for joinder; and demonstration that the asset freeze is causing concrete, ongoing commercial harm.

If severance is granted, your case continues as a standalone action. That is not the end of the matter – the infringement claim still exists – but it changes the dynamics significantly. The plaintiff now carries separate costs, separate discovery, and a separate filing for your case alone, which regularly affects their calculus on settlement.

Phase 2 checklist: gather the evidence before filing anything

• Pull your supplier invoices, purchase records, and any authorization letters for the product category in the complaint.
• Document your storefront's registration date, entity type, and history – separate from any other seller you do not know.
• Identify whether you have any relationship with any other named defendant – if you do, disclose that to your attorney now, not later.
• Preserve all Seller Central communications, listing history, and account health records from the period covered by the complaint.
• Obtain a copy of the TRO and the complaint (or the unsealed version, once available) – your attorney will need the exact language of the freeze order to draft the dissolution motion.
• If the complaint is still sealed, review how to handle de-anonymizing a Schedule A complaint for the procedural steps to access it.

What are the realistic timelines and decision points?

There is no single timeline for a Schedule A joinder challenge. The realistic window depends on the court, the judge's docket, and how quickly the defendant moves after the freeze.

Speed matters. The freeze runs from the moment the TRO is issued. Every week of frozen funds is a week of disrupted cash flow – inventory orders missed, FBA fees accumulating, disbursements blocked. In matters we handle, the practical goal in the first phase is to file a motion to dissolve or modify the TRO and to serve that motion on the plaintiff's counsel as quickly as the facts allow. Courts can act on TRO dissolution motions relatively quickly when the commercial harm is documented.

The broader severance motion follows a separate briefing schedule. After filing, the plaintiff has an opportunity to respond, and the court may set oral argument. The combined briefing period can stretch over several weeks to several months, depending on the docket.

Decision points the seller must reach along the way:

1. Fight the TRO or seek a bond modification first? In some matters, a plaintiff will agree to modify the freeze to allow a partial bond release while the severance motion is pending. In others, the dissolution motion is the faster path. This choice turns on the court's procedural norms and the plaintiff's litigation posture.
2. Move to sever, or enter settlement discussions? Severance and settlement are not mutually exclusive. Filing the severance motion changes the plaintiff's cost calculation and often opens better settlement terms. In many matters, we pursue the motion and allow parallel settlement discussions to proceed.
3. Default or respond? Ignoring the case because the complaint is sealed is one of the most damaging mistakes a seller can make. A default judgment in a Schedule A case can result in a permanent injunction and a damages award that follows the seller well beyond the marketplace. There is always a response available; the question is which one is right.

Phase 3 checklist: procedural strategy

• Confirm with your attorney whether the applicable district has issued prior rulings on Schedule A joinder – these affect the motion's framing.
• Assess whether the plaintiff is a licensing plaintiff or a brand owner with a commercial interest in the market – this affects settlement economics.
• Decide whether to seek TRO dissolution, modification, or bond – do not default to the most aggressive option without reviewing cost and timing.
• Preserve the commercial-harm record: bank statements, inventory purchase orders, supplier communications, and any third-party obligations that the freeze is impairing.
• Do not list your assets voluntarily beyond what any court order specifically requires – ask your attorney what the order actually compels.

What mistakes do sellers make when handling this alone?

The belief that being named in a Schedule A case means an automatic loss keeps too many sellers from acting at all. That inaction is the actual risk. Courts enter default judgments against sellers who do not respond, and those judgments can carry consequences far beyond the original freeze.

We regularly see three patterns in cases that come to us after the seller has already tried to respond alone. First, a seller contacts the plaintiff's attorney directly and, in trying to explain that the listing was legitimate, inadvertently confirms details the plaintiff will use in damages calculations. Second, a seller files a response that addresses the trademark infringement allegation on the merits but entirely misses the joinder defect – meaning the strongest procedural lever was never pulled. Third, a seller accepts a settlement that releases the funds but contains a broad injunction and fee arrangement that restricts the entire account category going forward.

None of these outcomes is inevitable. But each is more likely when the procedural architecture of a Schedule A case is unfamiliar. For the full structure of how these cases work from filing through resolution, the complete guide to Schedule A TRO defense for sellers covers the process in detail.

A second pattern we encounter: sellers who received the TRO notice, contacted the marketplace for account reinstatement, and did not understand that the freeze is a court order, not a marketplace policy decision. Amazon cannot unfreeze the account on its own. Only the court can modify or dissolve the order. Directing all effort to Seller Central while the court motion remains unfiled is a significant lost opportunity.

Phase 4 checklist: common errors to avoid

• Do not contact plaintiff's counsel without representation – early unguided communications regularly create problems in the case.
• Do not conflate the marketplace account hold with a Seller Central policy deactivation – these require different responses through different channels.
• Do not treat the Schedule A exhibit as a public document until you confirm it has been unsealed – handling sealed filings incorrectly has its own procedural consequences.
• Do not assume that because other co-defendants settled, your case will settle on the same terms – severance changes the dynamic entirely.
• Do not delay. The TRO has a fixed duration, but it can be extended at the plaintiff's request. The window to challenge the freeze is not indefinite.

If a first attempt to respond or settle already produced an unsatisfactory result, a second review can identify the specific issue and what procedural steps remain available. For a read on where your case stands, email info@tutamenlaw.com.

How should a seller weigh severance against settlement?

These are not competing choices. A well-timed severance motion is a negotiating instrument as much as a procedural remedy.

When the plaintiff is running a large-scale Schedule A campaign against hundreds of defendants, litigation costs are spread across a portfolio. A single defendant who files a credible severance motion forces the plaintiff to isolate that case, defend the joinder theory, and, if the motion succeeds, carry an entirely separate case going forward. That is a materially different cost equation than proceeding against a defendant who does nothing.

In our practice, we generally advise sellers to assess two variables before deciding on the primary strategy. First: is the underlying infringement claim defensible on the merits? A seller with strong supplier documentation and a legitimate supply chain has a different risk profile than one without. Second: what is the plaintiff's actual business model in this case? A brand owner trying to clear the market of genuine infringers will litigate more aggressively than a licensing entity looking for quick settlements across a large defendant pool.

The intersection of those two assessments produces a decision matrix: if the claim is defensible and the plaintiff is litigation-oriented, a strong severance motion combined with parallel settlement discussions at a realistic number is often the most efficient path. If the claim is weak on the merits but the plaintiff is settlement-oriented, an early approach after the severance motion is filed may close the matter faster and at lower cost. If the claim is defensible and the plaintiff is settlement-oriented, a well-evidenced severance filing may resolve the matter without full arbitration or further litigation at all.

Phase 5 checklist: settlement and exit

• Before any settlement discussion, confirm the freeze on all accounts – including third-party payment processors – has been fully accounted for in the negotiation.
• Review the proposed injunction language carefully. Overly broad injunctions can restrict product categories you currently sell lawfully.
• Confirm that any settlement agreement expressly releases the claims as to your storefront only – not as to affiliated entities or future accounts.
• Understand the fee and royalty terms if the plaintiff proposes a licensing arrangement – these are long-term obligations, not one-time payments.
• Obtain confirmation from the plaintiff that dismissal with the court will be filed promptly after payment – delays in dismissal filings can extend the freeze.
• After dismissal, follow up with the marketplace directly to confirm the account hold has been lifted – court dismissal and marketplace reinstatement are two separate steps.

Related areas

• Schedule A / TRO Defense – full practice coverage for US federal marketplace IP cases
• Amazon Account Reinstatement – deactivations and Plan of Action preparation for Seller Central suspensions

Frequently asked questions

How long does resolving improper joinder of defendants usually take on Amazon US?

There is no single answer. A motion to dissolve or modify the TRO can be decided within a few weeks if the court acts promptly; a full severance motion with briefing and possible oral argument typically runs over several weeks to several months. Settlement can close a case faster than a final court ruling, but the better settlement terms often come after the severance motion has been filed and the plaintiff has had to assess the cost of continuing. The speed of your own response at the outset is the variable you control most directly.

What are the main risks if I handle improper joinder of defendants alone?

The primary risk is that the strongest procedural argument – the joinder defect itself – goes entirely unraised while the seller focuses on the infringement allegation. The second risk is default: if a seller misreads the timeline or does not understand how to respond to a sealed federal complaint, the court may enter a default judgment carrying a permanent injunction and a damages award. A third risk is an early settlement that resolves the freeze but includes injunction terms or ongoing fee obligations that restrict the account long-term. Each of these is avoidable with proper procedural guidance from the start.

Do I need a lawyer for improper joinder of defendants?

Federal court procedure – TRO dissolution, severance motions, asset freeze orders – requires attorney representation in practice, even where self-representation is technically permitted. The joinder argument turns on the specific language of the complaint, the defendant list, and the applicable district's case law. Misreading any one of those elements at the motion stage can forfeit the argument entirely. Attorney-led handling is not a formality here; it is the mechanism through which the procedural defect is identified, documented, and placed before the court in the form that a judge can act on.

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. We act for founders, brand owners and in-house teams who need a specialist for a marketplace dispute. To discuss your situation, email info@tutamenlaw.com.

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.

Written by Sofia Marchetti – Partner, Schedule A / Federal Defense, Tutamen.