Got a counterfeit complaint from commingled inventory? Here is the appeal that works
A counterfeit complaint traced to commingled inventory feels impossible to fight, since the flagged unit was genuinely never yours. Here is the documented appeal that actually addresses it.
A counterfeit complaint tied to commingled inventory is one of the more frustrating notices a seller can receive, because it can be entirely true that the specific unit involved was never sourced by you. That fact alone rarely resolves the case, and an appeal built only on denial tends to underperform.
Quick answer
A counterfeit complaint traced to commingled inventory needs the same documentation an inauthentic complaint needs, invoices and chain of custody for your own units, plus a clear statement that the flagged unit does not match your sourcing. Denying the complaint without documentation rarely works, since Amazon does not investigate which specific seller's unit reached the buyer.
Counterfeit versus inauthentic, why the label matters
An inauthentic complaint questions whether a product is genuine. A counterfeit complaint generally goes further, often involving a brand rights owner directly and carrying more severe consequences for the account. The two categories are related but not identical, and a counterfeit label typically means the case needs a more complete documented response.
Why commingled inventory makes this harder to fight
Because Amazon's fulfillment system does not track which seller's unit actually reached a given customer inside a shared pool, there is generally no way to prove after the fact that the specific flagged unit came from someone else. The appeal has to shift the argument from what happened with one unit to what your own sourcing looked like as a whole.
What to submit
- Invoices and any available batch or lot records covering your sourcing for the relevant period
- A clear, factual statement that your inventory was sourced from a specific legitimate supplier, with dates
- A commitment to opt into individual unit labeling for that ASIN going forward, as a stated preventive measure
If a brand owner test purchased the product
Some counterfeit complaints originate when a brand rights owner orders the product themselves specifically to check authenticity, then reports the result to Amazon. If that test purchase happened to pull a unit from another seller's batch in a shared pool, your own sourcing can still be entirely legitimate, but the appeal needs to make that distinction explicitly rather than assuming it is obvious.
Preventive step reviewers want to see
Switching that specific ASIN to individual unit labeling going forward is one of the strongest preventive measures available, since it directly addresses the mechanism that caused the exposure in the first place.
Frequently asked questions
Is a counterfeit complaint worse than an inauthentic complaint?
Generally yes. Counterfeit complaints often involve a brand rights owner directly and can carry more severe account consequences, so building a complete documented appeal matters even more.
Can I argue the counterfeit unit was not mine?
You can raise commingled inventory as context, but an appeal built only on denial rarely succeeds. Pair it with your own invoices and sourcing documentation.
What if I do not have detailed batch records?
Provide whatever sourcing documentation you do have, and add opting into individual unit labeling as a stated preventive measure, since reviewers weigh a concrete forward looking change.
Should I stop using commingled inventory for this ASIN?
Yes. Switching to individual unit labeling for that specific ASIN is one of the strongest preventive measures to include in the appeal.
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Counterfeit complaint on a unit you know was not yours?
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