9 countries using English
United States
Legal Basis
Common Law (English heritage) + Uniform Commercial Code (UCC)
Contract Law
Uniform Commercial Code (UCC) Article 2 + Restatement (Second) of Contracts
Contract law varies by state; UCC governs commercial transactions nationwide. California, New York, and Delaware are key commercial jurisdictions.
United Kingdom
Legal Basis
English Common Law + Statute Law
Contract Law
Contract Law (Offer, Acceptance, Consideration) + Sale of Goods Act 1979
English law is widely used in international commercial contracts. Scotland has a separate legal system.
Canada
Legal Basis
Common Law (9 provinces) + Civil Law (Quebec) + Federal Statute Law
Contract Law
Common Law Contract Principles + Sale of Goods Acts (provincial)
Quebec uses Civil Law (French system). Other provinces use Common Law.
Australia
Legal Basis
Common Law (English heritage) + Australian Consumer Law
Contract Law
Common Law Contract Principles + Australian Consumer Law (ACL)
Australian contract law closely follows English common law with local statutory modifications.
New Zealand
Legal Basis
Common Law (English heritage) + New Zealand Statute Law
Contract Law
Contract and Commercial Law Act 2017
New Zealand has a comprehensive contract law codification.
India
Legal Basis
Indian Contract Act 1872 (English Common Law heritage)
Contract Law
Indian Contract Act 1872
India's contract law is based on English common law with significant local modifications.
Singapore
Legal Basis
English Common Law + Singapore Statute Law
Contract Law
Contract Law (Common Law) + Sale of Goods Act
Singapore is a major international arbitration hub with highly developed contract law.
South Africa
Legal Basis
Mixed: Roman-Dutch Law + English Common Law
Contract Law
Roman-Dutch Contract Law + Common Law Principles
South Africa has a unique mixed legal system combining Roman-Dutch and English common law.
Ireland
Legal Basis
English Common Law + Irish Statute Law
Contract Law
Common Law Contract Principles + Sale of Goods Act
Ireland follows English common law with EU law integration.