Coffee Lawsuit Myths: The McDonald’s Case and Cancer Warning, Set Straight

Two coffee lawsuits have lodged themselves in the public imagination, and both are remembered almost exactly backwards. One is the McDonald’s hot coffee case, shorthand for decades as the ultimate frivolous lawsuit, a greedy woman getting millions because she spilled her own coffee. The other is the California ruling that coffee causes cancer, which spread across the internet in 2018 as proof your morning cup was poisoning you. Neither popular version is accurate. The first was a serious product-liability case about genuinely dangerous burns; the second was a regulatory technicality that California itself reversed. Here is the real story of each.

The McDonald’s hot coffee case (what really happened)

In February 1992, 79-year-old Stella Liebeck (the name is frequently misspelled “Leibeck”) bought a 49-cent cup of coffee at a McDonald’s drive-through in Albuquerque, New Mexico. Her grandson was driving, and he pulled the car over and stopped so she could add cream and sugar. Liebeck, in the passenger seat of the stationary car, placed the cup between her knees and pulled the far lid edge toward her to remove it. The entire cup tipped into her lap. The trial and verdict came in August 1994, and the way the case has been remembered ever since bears little resemblance to the facts presented in that courtroom.

Let us go through the myths one by one, because nearly every “fact” most people know about this case is wrong.

Myth: she was driving with the coffee between her knees

She was not driving. She was a passenger, and the car was stopped and parked specifically so she could doctor her coffee. The “speeding along with a cup clamped between her thighs” image is pure invention. What is true, and what readers have rightly pointed out in the comments on this article over the years, is that she did place the cup between her knees to steady it while removing the lid, because the car had no flat surface and no cup holder. That is a long way from reckless driving. It is what anyone might do with a hot cup and no other place to set it.

Myth: she was not really hurt

This is the cruelest myth. Liebeck suffered full-thickness third-degree burns over 6 percent of her body and lesser burns over about 16 percent. She spent eight days in the hospital, underwent skin grafts, required two years of follow-up medical treatment, and was permanently scarred. She lost nearly 20 pounds during her recovery. These were not “she spilled something warm on herself” injuries. Coffee at 190 F can cause third-degree burns in two to three seconds, and that is exactly what it did to an elderly woman’s groin, inner thighs, and buttocks.

Myth: she was a money-hungry serial litigant

Liebeck had never sued anyone before in her life. She did not even want a lawsuit. She initially asked McDonald’s to cover her medical expenses and related costs, an amount of roughly $20,000 (her medical bills alone were around $10,500). McDonald’s offered her $800. It was only after that, after the company refused to engage with a badly injured 79-year-old’s actual costs, that she sought a lawyer. The lawsuit was a last resort, not a lottery ticket.

Myth: it was a one-in-a-million freak accident

During discovery, Liebeck’s attorneys found that McDonald’s had received more than 700 reports of burns from its coffee in the decade before her injury, some of them third-degree burns requiring skin grafts, and had paid out settlements on some of them. McDonald’s required its franchisees to hold coffee at 180 to 190 F (82 to 88 C), far hotter than coffee brewed at home (and hotter than most other restaurants served it at the time). A McDonald’s quality-assurance manager testified that the company knew the coffee was capable of causing serious burns at that temperature and had not changed the policy. The jury did not see a freak accident. They saw a known hazard the company had decided to keep.

The fair counterpoint

To be balanced, because this article’s comment thread has raised it: 700 complaints over a decade in which McDonald’s sold billions of cups of coffee is, statistically, a very small rate. By that measure, the odds of any individual being seriously burned were low, and some of those 700 incidents involved spills where the customer or a third party was at fault rather than the cup itself. McDonald’s was not poisoning people at scale. The jury’s finding was not that the coffee was certain to hurt you; it was that McDonald’s knew its coffee was hot enough to cause severe injury, had concrete evidence of exactly that happening repeatedly, and chose not to lower the temperature or improve the warnings. The jury even assigned Liebeck 20 percent of the fault for the spill itself. The verdict was about corporate knowledge and indifference, not about coffee being inherently evil.

What she actually got

The “she got millions” part is the most persistent myth of all. Here is the actual sequence:

• The jury awarded $200,000 in compensatory damages, then reduced it to $160,000 because they found Liebeck 20 percent at fault.
• The jury added $2.7 million in punitive damages, a figure calculated to represent roughly two days of McDonald’s company-wide coffee sales, meant to get the company’s attention.
• The trial judge reduced the punitive award to $480,000 (three times the compensatory amount).
• Both sides appealed, and the case ultimately settled out of court for a confidential amount, widely reported to be under $600,000 and possibly far less.

So the woman who supposedly won millions for spilling her own coffee actually received a confidential settlement, after two years of litigation, for injuries that put her in the hospital for over a week and scarred her permanently. The $2.7 million number that everyone remembers was never paid.

What the case actually changed

The lasting legacy is not just the “Caution: Hot” warnings everyone mocks. The case pushed real changes across the fast-food industry: better-fitting and more secure cup lids, more insulating cup materials and the now-ubiquitous cardboard cup sleeve, more conservative holding temperatures at many chains, and more attention to how takeaway hot drinks are handed to customers. The warning label is the visible part; the safer cup engineering is the part that actually mattered.

The “coffee causes cancer” case (California Prop 65)

The second great coffee-lawsuit myth is more recent. In 2018, headlines announced that a California court had ruled coffee must carry a cancer warning. Within hours the internet had decided coffee causes cancer. As with the McDonald’s case, the reality is more complicated and ends in roughly the opposite place from where the headlines left it.

The case turned on California’s Proposition 65, a 1986 law requiring warnings on products that expose consumers to chemicals the state lists as carcinogens. One of those listed chemicals is acrylamide, which forms naturally when many foods, including coffee beans, are roasted or cooked at high temperatures. A nonprofit sued coffee companies arguing that, under the letter of Prop 65, coffee sold in California needed an acrylamide cancer warning. In 2014, and again in a second trial phase in March 2018, a Los Angeles judge agreed that the coffee companies had not proven the acrylamide exposure posed “no significant risk,” and ruled the warnings were required. That ruling is what generated the “coffee causes cancer” headlines.

Then the actual science caught up with the law. In 2016, the World Health Organization’s International Agency for Research on Cancer (IARC) had already reviewed more than 1,000 studies and removed coffee from its list of “possibly carcinogenic” substances, finding no clear evidence that coffee causes cancer (and some evidence it is associated with lower risk of certain cancers). In June 2019, California’s own Office of Environmental Health Hazard Assessment (OEHHA), the agency that administers Prop 65, adopted a regulation stating plainly that chemicals produced by roasting and brewing coffee “do not pose a significant risk of cancer.” That regulation effectively exempted coffee from the Prop 65 warning requirement. The agency explicitly cited the IARC review in its decision.

The bottom line: coffee in California does not require a cancer warning, the state’s own health agency has formally determined coffee does not pose a significant cancer risk, and the global cancer-research authority does not classify coffee as a carcinogen. The “coffee causes cancer” lawsuit ended with the science winning. If you saw the 2018 headline and not the 2019 correction, you are not alone, and that gap is exactly how coffee-lawsuit myths get made.

Why coffee lawsuits become myths

Both cases follow the same pattern: a dramatic, easily-shared version travels far and fast, while the accurate, more nuanced version arrives later and quietly. “Woman gets millions for spilling coffee” and “court rules coffee causes cancer” are both punchy, outrage-friendly, and wrong. The truth (a badly burned elderly woman got a modest confidential settlement from a company that knew its product was dangerous; California reviewed the science and confirmed coffee is safe) is less shareable and took years to settle. The lesson for reading any coffee-lawsuit headline is the same one that applies to coffee history and coffee health claims: the dramatic version that spreads is usually not the accurate version, and it is worth waiting for the boring follow-up before forming an opinion.

Frequently asked questions

Was the McDonald’s hot coffee lawsuit frivolous?

No. Despite its reputation, it was a serious product-liability case. The plaintiff suffered third-degree burns requiring skin grafts and eight days in the hospital, McDonald’s served coffee at 180 to 190 F (hot enough to cause severe burns in seconds), and the company had received more than 700 prior burn complaints. The jury also assigned the plaintiff 20 percent of the fault. Legal scholars frequently cite it as an example of a legitimate case that was successfully spun as frivolous by corporate public relations.

How much money did Stella Liebeck actually receive?

Not the $2.7 million everyone remembers. The jury awarded $200,000 compensatory (reduced to $160,000 for her share of fault) plus $2.7 million punitive. The judge cut the punitive damages to $480,000, and the case then settled confidentially for an undisclosed amount widely reported to be under $600,000. The headline-grabbing $2.7 million was never paid.

Does coffee cause cancer?

No, based on current evidence. The World Health Organization’s IARC reviewed over 1,000 studies in 2016 and removed coffee from its “possibly carcinogenic” list, finding no clear link to cancer (and an association with lower risk of some cancers, such as liver and endometrial). In 2019 California officially determined coffee does not pose a significant cancer risk. Very hot beverages of any kind (above about 65 C / 149 F) are a separate, minor concern for esophageal cancer, but that is about temperature, not coffee itself.

Then why did California say coffee needed a cancer warning?

Because of a technicality in Proposition 65, the state’s chemical-warning law. Coffee naturally contains acrylamide (formed during roasting), which is a Prop 65-listed chemical. A lawsuit argued the letter of the law required a warning, and a judge agreed in 2018. But in 2019 California’s health agency reviewed the actual cancer science and adopted a regulation exempting coffee, because the evidence shows coffee does not pose a significant cancer risk. The warning is not required.

Can I sue a coffee shop if my coffee is NOT hot enough?

A reader asked this (half-joking) in the comments. In practice, no; serving coffee cooler than you would like is not a legal injury. The Liebeck case was about a dangerous hazard causing severe physical harm, not about beverage quality. The takeaway from the case was never “coffee should be lukewarm,” it was “a company that knows its product regularly causes third-degree burns should address the hazard.”

Why this article changed

The original version of this article correctly set out to debunk the myths around the McDonald’s case, but it contained small errors (the plaintiff’s name was misspelled, the damages outcome was incomplete) and stopped at the Liebeck case. This rewrite corrects the facts against the documented court record, adds the full and accurate damages sequence (the $2.7 million was reduced to $480,000 and then settled confidentially), includes the fair statistical counterpoint that readers raised in the comments, and adds the more recent California Prop 65 “coffee causes cancer” case, which is the other great coffee-lawsuit myth and which ended with California formally confirming coffee is safe. Sources are listed below.

Sources

• Liebeck v. McDonald’s Restaurants (case overview and documented facts)
• Cornell Law School Legal Information Institute: Liebeck v. McDonald’s
• Food Safety News: No cancer warnings required on coffee sold in California (2019)
• Perkins Coie: Coffee Products Exempted From Proposition 65

Related reading

• Why coffee is good for your health
• The real pros and cons of drinking coffee
• The history of coffee
• The world’s most recognizable coffee brands