How forged bottles reach the fine wine market, and how the great estates fight back

Counterfeit wine is a bottle whose label, capsule, cork or contents lie about what it is: a cheaper wine passed off as a rare vintage from a famous domaine. The fraud targets fine wine worth thousands per bottle, and the Rudy Kurniawan case, judged in Manhattan in 2013, showed how far fake wine can travel through the auction market.

What is counterfeit wine?

Counterfeit wine is any wine presented as something it is not. The term covers several types of fraud that are often mixed together. The crudest is a fake label glued on a cheap bottle. The most dangerous is a real old bottle, emptied or never full, refilled with a blend of cheaper wine and given a new seal. Between the two sit relabelled vintages (a weak year sold as a great one), invented formats such as magnums that the domaine never made, and cases that exist on paper only, resold again and again through a broker.

The difference between a fake and the genuine article is rarely visible to a casual drinker. That is exactly why the fraud works. A rare wine from the 1940s is opened once, by a collector who has never tasted the real thing, and the verdict depends on the story told around the table. In fine wine, the past of a wine counts as much as its contents.

The industry uses a few words with precise meanings. Provenance is the documented chain of custody since it left the château. Authentication is the physical examination of glass, paper, closure and liquid level. Fake wine usually refers to a copied product sold at ordinary prices, while counterfeit wine in the collector world most often means a forged rare bottle sold at auction or through a private dealer.

Why forgers target fine wine

A counterfeiter chooses fine wine for three reasons: the prices, the lack of references and the time it takes for a fraud to surface. A single bottle of Domaine de la Romanée-Conti from a great year can be worth more than a car, and the first growths of Bordeaux such as Lafite Rothschild reached record prices in Asia around 2010 and 2011. When one is priced in the tens of thousands, a forger needs to move only a handful to make a fortune.

The second reason is that almost nobody can compare. Very few people alive have tasted a 1945 Mouton Rothschild or a 1921 Pétrus more than once. The forgery is judged against memory, reputation and the name on it. The third reason is time: a collector may keep a wine for twenty years before opening it, and many are never opened at all. A fraud committed in 2006 can stay undetected until someone decides to resell, and by then the dealer has often disappeared.

The figure most quoted in the press is that a significant share of old rare wine on the secondary market may be fake. Maureen Downey, founder of Chai Consulting in San Francisco and one of the best known specialists in wine authentication, has repeatedly said that fakes are far more common than the trade admits. No one has a verified global figure, and any precise percentage should be read as an estimate. What is documented is the cost for producers: a 2016 study by the European Union Intellectual Property Office put the loss for the legitimate wine and spirits sector in the EU at about 1.3 billion euros a year.

Who is Rudy Kurniawan?

Rudy Kurniawan is the most famous wine counterfeiter in history. Born in Indonesia and based in Arcadia, California, he became known in the early 2000s as a young collector with an extraordinary palate and a cellar full of old Burgundy. He was a regular at tastings in Los Angeles and New York, and he was selling at a remarkable rate.

From star collector to wine dealer

Through the auction house Acker Merrall & Condit in New York, Kurniawan auctioned rare wine valued at tens of millions of dollars, with two record sales of his cellar in 2006. Buyers trusted the lots because the seller seemed to be a passionate drinker rather than a dealer, and because the fakes appeared alongside genuine wines. In his house, investigators later found the tools of a workshop: old corks, capsules, stamps, thousands of printed labels and cheaper wine used to create blends that imitated the taste of old Burgundy.

The Ponsot lots and the fall

The turning point came in April 2008. Laurent Ponsot, head of Domaine Ponsot, learned that an auction in New York included Clos Saint-Denis from his domaine, dated 1945 to 1971. Domaine Ponsot only began producing Clos Saint-Denis under its own name in the 1980s. Ponsot travelled to Manhattan and had the lots withdrawn from the sale before the auction started. He then spent years following the trail himself, a story told in the documentary Sour Grapes (2016).

The FBI arrested Kurniawan at his home in March 2012. In December 2013 a federal jury in Manhattan convicted him of mail fraud and wire fraud, and in August 2014 he was sentenced to ten years in prison and ordered to pay about 28 million dollars in restitution to his victims. Federal prosecutors described the case as the first of its kind brought in a United States court. Among the victims was the collector Bill Koch, who also won a civil case against him. Kurniawan was released in 2020 and deported to Indonesia. The journalist Peter Hellman, who covered the trial, wrote a book on the case, and it remains the reference for anyone who wants to investigate how the scam worked.

Many of the wines he supplied are still in circulation. That is the lasting damage: every rare Burgundy traded in the early 2000s now needs its past examined, and anyone who wants to resell one has to prove it did not pass through his hands.

What are famous wine fraud cases?

Kurniawan was not the first, and several other cases shaped the way the industry thinks about fraud.

Hardy Rodenstock and the Jefferson bottles

Hardy Rodenstock, a German collector and dealer, claimed in the 1980s to have found bottles engraved with the initials "Th.J.", said to have belonged to Thomas Jefferson. One of them, a 1787 Lafite, was sold by Christie's in London in 1985 for a record price, with the wine expert Michael Broadbent presenting the lot. Bill Koch later bought four Jefferson bottles and, years afterwards, had them examined. The engraving had been made with modern power tools. Koch sued Rodenstock, who always denied the fraud. Rodenstock also organised famous tastings of old Yquem and Pétrus, and doubts about his wines spread to much of the rare stock he had supplied. The story is told in Benjamin Wallace's book The Billionaire's Vinegar.

Italian and Chinese cases

Italy has its own history. In 2008 prosecutors investigated producers in Montalcino suspected of blending other grape varieties into Brunello di Montalcino, which by law must be made from Sangiovese alone. Italian police have also seized forged labels and fake Super Tuscan wines in recent years. In China, the problem is often the copy of the brand itself: labels that imitate French wine names with a letter changed, or a Chinese name close to that of a famous estate, sold to consumers who pay a premium for a French name. Penfolds, the Australian producer, has repeatedly warned about fakes of its wines in China.

The common point between these cases is that the fraud targets trust, not taste. A famous name, a famous collector or a famous auction house does the selling.

What techniques do counterfeiters use?

A counterfeiter works on every detail. Knowing these techniques is the first step to spotting a fake.

• The label. Forgers print on modern paper with a modern printer, then aged with tea, light or heat. Under magnification, inkjet or laser dots betray paper that should have been printed by letterpress or offset.
• The capsule. Old capsules were made of lead or tin. A forger either reuses an original capsule or buys one that looks right, but the embossing, colour or shape often differ from the originals.
• The cork. Great domaines brand their corks with the name and vintage. Old corks can be recovered from empty bottles, which is why authentic empties from great names have a resale value and why some restaurants now destroy them.
• The glass. The shape of the glass, its punt, its colour and its moulding marks changed over time. Glass made in a mould that did not exist in the stated year is a clear sign of fraud.
• The wine. Kurniawan's skill lay in the blend: he mixed older, cheaper wine from lesser names to produce something that tasted like an aged grand cru to a drinker who had never had the real one.
• The paperwork. A false history, a cellar that never existed, an invented previous collector, or invoices from a dealer who has since vanished.

Online, the scam takes simpler forms: sites that sell expensive wine at a discount and never ship, or listings that use photos of genuine bottles. Recorded Future, a security company, has reported on fraud networks that use the wine trade to move money or to sell goods that do not exist. Here the risk is less a forgery than a payment sent to nobody.

How to identify counterfeit wine?

No single test proves that a wine is genuine, but a series of tests reduces the risk a great deal. Professionals in wine authentication follow roughly the same order.

Two points matter more than the rest. First, a vintage or format that was never released is proof on its own: this is how Laurent Ponsot stopped the sale in 2008. Second, the price. A rare wine offered at half its usual price is not a bargain; it is a signal. Before paying, compare with recent auction results and with the records that many great French names now share with trusted merchants.

For an expensive lot, the checks are best done by a specialist. Some tools help without opening the bottle: ultraviolet light shows modern paper and glue, and some laboratories can date the glass or even the liquid through the bottle. These methods cost money, which is why they are used on the most expensive lots.

How wineries and auction houses fight back

The great châteaux and domaines learned from the Kurniawan years. Château Lafite Rothschild has etched its bottles for more than a decade, and many producers now add a security tag, a unique code or a chip to each bottle. Domaine de la Romanée-Conti, the most copied Burgundy name, numbers its bottles and follows its markets closely. Several Bordeaux châteaux print labels with hidden marks that only the owner can read. Blockchain technology has also entered the trade: each bottle gets a digital record at the winery, and every sale and every transfer is added to it. The idea is sound, but the record only protects wine registered at source, so it does little for the older vintages that forgers prefer.

Auction houses changed their practice too. After 2012 the main houses tightened their checks on consignors, refused lots with a weak history, and hired specialists to examine rare lots before a sale. Some bought in large cellars only after an inspection of the consignor's storage. Buyers can now ask for the report on a lot, and a serious auctioneer will provide it.

The trade also relies on people. Specialists such as Maureen Downey train merchants, sommeliers and collectors to recognise fakes and keep records of known forged bottles. Producers such as Laurent Ponsot showed that a winemaker who investigates can stop a sale. Law enforcement has joined in: the FBI treated the Kurniawan case as a federal fraud, and the court in Manhattan set a precedent that later prosecutors could use.

How to protect against counterfeit wine?

For a collector, the safest approach is to reduce the number of unknowns before any purchase. These habits apply whether you want a single bottle or a whole cellar as a long term investment.

1. Buy close to the source. Wine bought from the château, on release or through the Bordeaux place, and stored in a known warehouse, has the shortest history. The further a wine travels, the more its past needs verifying.
2. Ask for documents. Invoices, storage records and the names of previous holders. A seller who refuses to share them is selling the risk to you.
3. Be careful with the rarest and oldest wines. Prewar Burgundy, old large formats and famous vintages from the 1940s and 1950s are the favourite targets of forgers.
4. Compare prices. Check recent auction results before buying, and treat any lot far below the market as suspect.
5. Keep your own records. Photograph each bottle on arrival, from every angle, including closure and fill level. These images help if you ever need to resell or to prove a fraud.
6. Use specialists for expensive lots. The cost of an inspection is small compared with the value at stake.

Our guide to investing in wine brands and vintages explains how storage and provenance affect resale value, which is the other side of the same question.

What to do with a suspected fake bottle

If you think you own a counterfeit, do not open it and do not sell it. Selling a wine you suspect to be fake makes you part of the fraud. The first step is to contact the winery. Most great houses have a contact form or a dedicated email address for authentication questions; submit clear photos of the front, the closure and the glass, and share the purchase history. Wineries handle these requests with care for the collector's privacy, as many collectors prefer not to be named.

If it came from an auction, contact the auction house with the lot number and the date of the sale. If it came from a dealer, keep every email and invoice. In the United States, significant cases can be reported to the FBI; in Europe, to the national police or the customs service in charge of counterfeit goods. Several collectors who lost large sums only recovered part of their money because they could submit a full file to the court: photos, invoices and the name of the seller.

Some collectors decide to keep a proven fake as a lesson, clearly marked so that it can never be sold again. Others hand it over to investigators. Either way, the fake should leave circulation.

What are the legal consequences of wine fraud?

The legal consequences of wine fraud depend on the country, but they can be heavy. In the United States, selling counterfeit wine by mail or online falls under federal fraud law, and the Kurniawan case showed that a court can impose a decade in prison. A dealer found guilty also faces restitution to every buyer who was duped, and civil suits can follow. In France and Italy, counterfeiting a protected name is a crime under consumer and intellectual property law, and the customs service can seize and destroy fake goods. Italy treats fraud on protected appellations with particular severity, since the Brunello scandal of 2008 hurt the image of the whole region.

Official statistics remain thin: most victims never report a fake, some because they were duped and prefer silence, others because the fraud surfaces a decade after the purchase. Press reports, podcasts and interviews with winemakers and investigators are often the only public record. For the wine trade, the lesson is that counterfeiting is easier to prevent than to prove, and that the tools to detect it work best before the sale.

What are the impacts of wine fraud?

The impact goes well beyond the buyer who paid too much. For producers, every fake wine sold under their name damages the reputation, and for a rare wine that reputation is the product. For the market, fraud creates doubt: after the Kurniawan case, old Burgundy from the early 2000s lost part of its value at auction, and some collectors stopped bidding on old vintages entirely. The financial losses are real, and so is the damage to consumer confidence across the wine industry. For drinkers, most fakes are simply disappointing, but cheap copies sold as mass market brands raise a real question of food safety, since nobody knows what is in the bottle or how it was made.

The fraud has also changed the way the fine wine business works. Buyers now value a clean record over a famous name in the cellar book, auction houses publish more information about their lots, and estates invest in technology to protect their name. For anyone buying the great wine brands described in our buying guide, the rule is simple: the label tells you what the wine should be, and only the provenance tells you what it is.

Questions about counterfeit wine

Is counterfeit wine dangerous to drink?

Most forged fine wine is made from real, cheaper wine and is not harmful. Mass market copies are another matter: their contents are unknown, and they are a food safety risk.

Which wines are most often faked?

Old Burgundy from famous domaines, the first growths of Bordeaux, Pétrus and a few Italian and Australian icons, because they combine high prices and rare vintages.

Where is Rudy Kurniawan now?

He was released from prison in 2020 and deported to Indonesia after serving his sentence for wine fraud.

Can a laboratory prove that a bottle is fake?

A laboratory can date glass, paper and sometimes the wine itself, which can prove that a bottle is not what the label claims. It cannot prove that a bottle is genuine on its own; provenance does that.