| Nordenfelt v Maxim Nordenfelt Guns and Ammunition Co Ltd [1894] AC 535 | Reasonableness test for restraints of trade | Illustrated historical treatment of trade-restraint agreements |
| Jones v North (1875) LR 19 Eq 426 | Legality of tender collusion absent dishonesty | Used to show Victorian courts did not criminalise price-fixing alone |
| Mogul Steamship Co Ltd v McGregor, Gow & Co [1892] AC 25 | Competition law at common law; absence of malice/aggravation | Key authority that cartel activity alone was not indictable |
| Attorney-General (Commonwealth of Australia) v Adelaide Steamship Co Ltd [1913] AC 781 | Public-interest analysis of restrictive agreements | Supported view that some cartels may benefit the public |
| North Western Salt Co Ltd v Electrolytic Alkali Co Ltd [1914] AC 461 | Enforceability of restrictive agreements | Confirmed restraint unenforceable only if unreasonable |
| Rawlings v General Trading Co [1921] 1 KB 635 | Public-policy limits on auction collusion | Showed civil unenforceability did not equate to criminality |
| R v De Berenger (1814) 3 M & S 67 | Conspiracy to defraud via false market rumours | Illustrated when dishonesty aggravates commercial schemes |
| R v Lewis (1869) 11 Cox CC 404 | Dishonest practices as criminal conspiracies | Contrasted with non-dishonest cartels |
| Scott v Brown, Doering, McNab & Co [1892] 2 QB 724 | Illegality of creating false markets | Distinguished deceit-based schemes from mere price-fixing |
| British Airways Board v Laker Airways Ltd [1985] AC 58 | Common-law reluctance to police competition | Cited as modern affirmation that cartel conduct was not actionable |
| Crofter Hand Woven Harris Tweed Co Ltd v Veitch [1942] AC 435 | Legality of combinations pursuing own interests | Reinforced absence of common-law offence absent malice |
| R v Rimmington [2006] 1 AC 459 | Legal-certainty and Article 7 ECHR principles | Supported need for clarity before declaring new common-law crimes |
| R v Jones (Margaret) [2007] 1 AC 136 | Parliamentary primacy in defining crimes | Reasoning applied to reject judicial creation of cartel offence |
| OBG Ltd v Allan [2008] 1 AC 1 | Judicial reluctance to create competition rules | Cited to oppose extending conspiracy to cover pure price-fixing |
| SW v United Kingdom (1995) 21 EHRR 363 | Permissible incremental development of common law | Distinguished; no similar gradual shift on cartels |
| Hashman and Harrup v United Kingdom (1999) 30 EHRR 241 | Requirement for clear legal basis for criminality | Used to reject criminalising cartels by perception alone |
| In re Nielsen [1984] AC 606 | Conduct test for double criminality under 1870 Act | Formed backdrop for interpreting s.137 |
| Government of the USA v McCaffery [1984] 1 WLR 867 | Confirmation of conduct test approach | Historical reference in double-criminality debate |
| Government of Canada v Aronson [1990] 1 AC 579 | Offence test under 1967 Act | Contrasted with conduct test adopted in present ruling |
| R v Secretary of State, Ex p Hill [1999] QB 886 | Conduct test under 1989 Act | Supported adopting broader conduct focus |
| Governor of Belmarsh Prison, Ex p Gilligan [2001] 1 AC 84 | Broad correspondence for Irish warrants | Analogy for flexible double-criminality analysis |
| Office of the King's Prosecutor v Cando Armas [2006] 2 AC 1 | Definition of “conduct” in s.65(2) 2003 Act | Key authority favouring conduct test under s.137 |
| Bermingham v Director SFO [2007] QB 727 | Application of Cando Armas to US requests | Cited to reject strict element-to-element matching |
| Edwards v USA [2007] EWHC 1877 | Narrow reading of “conduct” in s.137 | Court declined to follow; considered wrongly decided |
| Dabas v High Court of Justice, Madrid [2007] 2 AC 31 | Background narrative vs. conduct for s.64 | Used to distinguish incidental facts from extraditable conduct |
| United States v McVey [1992] 3 SCR 475 (Can) | Liberal construction of extradition laws | Supported purposive reading of s.137 |
| In re Ismail [1999] 1 AC 320 | Broad construction of extradition statutes | Reinforced purposive approach |
| Kakis v Cyprus [1978] 1 WLR 779 | Meaning of “unjust or oppressive” under time-bar | Guided section 82 analysis |
| R v Governor of Pentonville Prison, Ex p Narang [1978] AC 247 | Assessment of trial prejudice due to delay | Applied in section 82 discussion |
| Wellington v Governor of Belmarsh Prison [2004] EWHC 418 | Limits on disclosure in extradition | Cited in rejecting request for US evidentiary detail |
| Jenkins; Benbow v USA [2005] EWHC 1051 | No general right to disclosure in extradition | Reinforced refusal to order further particulars |
| R (USA) v Bow Street Magistrates’ Court [2007] 1 WLR 1157 | Exceptional nature of information requests | Distinguished; no abuse of process shown here |
| R v Secretary of State, Ex p Norgren [2000] QB 817 | Tentative view on transposition of insider-dealing offences | Discussed but not followed |
| Al Fawwaz v Governor of Brixton Prison [2002] 1 AC 556 | Method for transposing foreign charges into UK equivalents | Applied to obstruction counts |