| Saltman Engineering v. Campbell Engineering (1948) 65 R.P.C. 203 |
Equitable obligation of confidence may exist independently of contract. |
Used to show that Security Service staff owe duties beyond contractual terms. |
| Seager v. Copydex [1967] 1 W.L.R. 923 |
Misuse of confidential information justifies relief even absent direct financial loss. |
Cited when discussing detriment and remedy. |
| Duchess of Argyll v. Duke of Argyll [1967] Ch 302 |
Privacy-based injunction; duty extends to third-party newspapers. |
Analogy for restraining press where secrets remain private. |
| Prince Albert v. Strange (1849) 1 Mac. & G. 25 |
Third parties acquiring secrets in breach of confidence are bound in conscience. |
Supported Appellant’s claim that newspapers inherited Wright’s duty. |
| Attorney General v. Jonathan Cape [1976] Q.B. 752 |
Government must show publication harms public interest, not merely breach confidence. |
Relied on to assess whether post-publication injunctions were justified. |
| Commonwealth of Australia v. John Fairfax (1980) 147 C.L.R. 39 |
State secrets protected only if disclosure is likely to injure public interest. |
Adopted in weighing national-security arguments after global dissemination. |
| Coco v. A.N. Clark [1969] R.P.C. 41 |
Three elements of breach of confidence; discussion of “detriment”. |
Framework for analysing whether Crown proved necessary elements. |
| Peter Pan Manufacturing v. Corsets Silhouette [1969] 1 W.L.R. 96 |
Account of profits as equitable remedy for breach of confidence. |
Basis for ordering Company D to disgorge July 1987 profits. |
| Reading v. Attorney General [1951] A.C. 507 |
No profit from own wrongdoing; constructive trust principles. |
Reinforced duty on Company D to account. |
| Gartside v. Outram (1857) 26 L.J.Ch. 113 |
“No confidence in iniquity” doctrine. |
Explained limits where public-interest disclosure overrides secrecy. |
| Initial Services v. Puttill [1968] 1 Q.B. 396 |
Public-interest defence to breach-of-confidence claims. |
Discussed but held inapplicable to large-scale disclosure of operational secrets. |
| Beloff v. Pressdram [1973] 1 All E.R. 241 |
Balancing test between confidentiality and public interest. |
Applied in evaluating newspaper defences. |
| Lion Laboratories v. Evans [1985] Q.B. 526 |
Limited disclosure may satisfy public interest without mass publication. |
Contrasted with papers’ wholesale quotations from “Spycatcher”. |
| Francome v. Mirror Group Newspapers [1984] 1 W.L.R. 892 |
Appropriate channels for limited disclosure. |
Illustrated alternatives to immediate press publication. |
| Moorgate Tobacco v. Philip Morris (No 2) [1984] 156 C.L.R. 414 |
Breach of confidence as obligation of conscience. |
Cited in abstract discussion of equitable principle. |
| Terrapin v. Builders’ Supply (“Springboard” case) [1967] R.P.C. 375 |
“Springboard” doctrine—blocking unfair head-start after misuse. |
Raised in debate over continuing restraints on Company D. |
| O. Mustad & Son v. Dosen [1964] 1 W.L.R. 109 |
Confidant released when confider puts information into public domain. |
Used by minority to question perpetual duties. |
| Cranleigh Precision v. Bryant [1965] 1 W.L.R. 1293; Speed Seal v. Paddington [1985] 1 W.L.R. 1327 |
Limits of release when publication stems from third parties. |
Discussed but distinguished by majority. |
| Attorney General v. Wellington Newspapers (NZ C.A., 28 Apr 1988) |
Foreign approach to protecting allied intelligence secrets. |
Cited to contrast with Australian stance. |
| Snepp v. United States (1980) 444 U.S. 507 |
U.S. civil enforcement of secrecy agreements. |
Illustrated potential for international comity on intelligence secrecy. |
| Glyn v. Western Feature Film [1916] 1 Ch 261 |
Court may refuse copyright aid where publication is contrary to public interest. |
Suggested that Individual A could not sue on copyright in UK courts. |
| Slingsby v. Bradford Patent Truck & Trolley Co. [1905/1906] |
Equity denies assistance to fraudulent works. |
Analogous to refusal of copyright protection for “Spycatcher”. |
| Bile Bean Manufacturing v. Davidson (1906) 23 R.P.C. 725 |
Refusal of relief where claimant engaged in fraud. |
Similar rationale for denying copyright to Individual A. |