Your product has four hundred legitimate reviews and a 4.6 rating. Then a counterfeit version of your product appears, and within weeks its listing shows reviews that look suspiciously like yours. Sometimes the reviews are copied outright. Sometimes the counterfeit listing gets merged with yours through a variant or a hijacked ASIN. Either way, the fakes are riding the reputation you built, and shoppers cannot tell the difference.
Review hijacking works because reviews are the trust infrastructure of marketplaces. Shoppers filter by rating, sort by review count, and skim the top comments before they buy. A counterfeit listing with zero reviews looks risky. A counterfeit listing wearing your reviews looks established. The theft is not just of your product photos or your trademark; it is of the social proof that took years to accumulate.
The blunt version is copy and paste: the counterfeit seller lifts your review text onto their own listing or onto a fake review site that funnels traffic to it. The sophisticated version exploits marketplace mechanics. On some platforms, listings can be merged through shared identifiers, variant relationships, or seller manipulation of product data. When a counterfeit offer attaches to your legitimate product page, it inherits the page's reviews automatically. The shopper sees your reviews, clicks the cheaper offer, and receives the fake.
A third variant is the review farm aimed at the counterfeit listing itself. The seller buys a few hundred five-star reviews for the fake listing, often reusing the text patterns of real reviews for similar products. These are easier to spot in bulk, unnatural language, clustered dates, reviewers with no other history, but they only need to survive long enough to convert a weekend of traffic.
Watch for review text appearing on listings you do not control. A monthly search of distinctive phrases from your top reviews will surface copies. Watch your own product pages for new offers from unknown sellers, especially offers priced well below yours. A sudden price collapse on your own listing page is often the first sign that a counterfeit offer has attached itself to your reviews. And watch the review velocity on suspicious listings: a listing that goes from zero to two hundred reviews in a week did not earn them.
Document everything before you report. Screenshots with timestamps, the URLs of both listings, and side-by-side comparisons of the review text. Marketplaces act faster on review manipulation reports that arrive as evidence packages rather than complaints.
Report in the order that removes the most harm fastest. If a counterfeit offer is attached to your product page, report the offer-attachment first through brand registry or the platform's brand protection channel; detaching the fake from your reviews stops the bleeding immediately. Report copied review text as intellectual property theft where the platform allows it, since your review content is your content. Report fake review velocity through the platform's review manipulation channel, which is separate from the counterfeit channel and often faster.
Escalate when the standard channels stall. A counterfeit listing wearing your reviews is a brand safety issue, not just a policy violation, and saying so in the escalation changes the queue it lands in. If the platform offers a dedicated brand contact or an escalation path for repeat infringers, use it for review hijacking cases specifically; they are the cases that justify the relationship.
Long term, the defense is monitoring plus speed. Automated watches for new offers on your product pages, monthly sweeps for copied review text, and a standing evidence template so reports go out in minutes, not days. Reviews are an asset. Treat them like one: inventory them, watch them, and defend them with the same seriousness you bring to the trademark itself.