Of course, not all contracts run as smoothly as the ones described above. On a regular basis, users sign online contracts even though they are not legally qualified (e.g. by being a minor), or sign contracts that they did not want to, by clicking something incorrectly. In such cases, is a legally binding contract still created? When is a contract valid? When can the buyer withdraw and when are they obliged to accept and pay for the goods?
Case 1: The buyer is underage (a minor)
U.S. law considers all those under the age of 18 to be minors and therefore not have a full range of rights or abilities. This means that they may also only conclude contracts on the internet with the consent of their legal representative. When a minor orders something online, the online sale contract is potentially void. If the legal representative does not give their consent, then the contract is invalid. The seller has no claims for damages, e.g. shipping or packaging costs. This also applies if the minor has given false information about their age, as the merchant enjoys no protection with regard to the signee’s viability.
Case 2: Incorrect data entry or transfer by the buyer
Almost all people make mistakes, including when we make online purchase contracts. Typing quickly, it’s easy to accidentally enter an 11 instead of a 1 and suddenly order 11 items instead of the 1 intended. With luck, the buyer will have the opportunity to appeal their declaration and undo the order, but the seller can always assert a claim for damages. If unnecessary shipping or packaging costs arise due to the incorrect order, then the buyer has to reimburse them.
There are still exceptions, namely if the order mistake is the fault of the seller. That is the case if an order form is confusing or ambiguous, or when a faulty order can be linked backed to input errors. The last points are covered by the special obligations, which each merchant that handles online commerce has to fulfill (see below).
Case 3: Incorrect data transmission by the seller
The vendor can also make input errors or have faulty software that leads to the incorrect determination of prices. But just because a computer incorrectly wrote the price in the online shop, the customer doesn’t automatically have a claim. As described above, the goods offered in an online shop are not a binding offer.
If an incorrect price is displayed in the online shop, a buyer has no claim to receive the goods at that listed price. If, however, the seller fails to correct the mistakes, a legally-binding purchase contract is made as soon as they deliver the goods at the stated price. But the possibility to challenge the contract on the basis of an error does exist.