Caveat Emptor

Caveat emptor is a maxim of Anglo-American common law holding that, absent fraud, misrepresentation, or an express warranty, a buyer purchases goods or real property "as is" and bears the risk of defects that a reasonable inspection would have revealed. Historically it expressed a sharp distinction from civil-law systems, which more readily implied seller obligations.

The doctrine was most forcefully articulated in English commercial law during the 18th and 19th centuries, with Chandelor v. Lopus (1603) often cited as an early expression: a seller's bare affirmation was not actionable absent a warranty. By the Victorian era it dominated sales of both chattels and land.

Modern statutory and consumer-protection regimes have substantially narrowed the rule:

• The UK Sale of Goods Act 1979 (consolidating the 1893 Act) implies terms as to satisfactory quality and fitness for purpose in commercial sales.
• The UK Consumer Rights Act 2015 further strengthened consumer remedies.
• In the United States, Article 2 of the Uniform Commercial Code implies warranties of merchantability (§2-314) and fitness for a particular purpose (§2-315), and the federal Magnuson–Moss Warranty Act of 1975 governs consumer product warranties.
• EU consumer-sales directives (notably Directive 1999/44/EC, replaced by Directive (EU) 2019/771) similarly impose conformity obligations on traders.

Caveat emptor retains greater force in real-estate transactions in many U.S. states, though most now require disclosure of known material defects, and in auction sales, private sales between individuals, and some "as-is" commercial dealings.

For IR and policy researchers, the doctrine is relevant in debates over sovereign debt (where bondholders are sometimes told to assess sovereign risk themselves), investor-state dispute settlement, and trade-in-services negotiations, where regulatory disclosure obligations vary widely across jurisdictions. Its converse, caveat venditor ("let the seller beware"), is increasingly cited to describe the modern consumer-protection landscape.