Brooke LJ attempted to draw a distinction between simple cases.
Ward LJ, Waller LJ, Brooke LJ
 EWCA Civ 3017,  1 WLR 2150
England and Wales
See Also – Mahon v Rahn QBD 19-Jun-1996
Directors of a London firm of stockbrokers brought libel proceedings against two Swiss bankers.
Held: The absolute immunity which is given to both witnesses and potential witnesses extends to all those taking part in a criminal investigation . .
See Also – Mahon and Another v Rahn and Others (1) CA 12-Jun-1997
Two company directors sued Swiss bankers who had responded to enquiries from the police in London. The charges which followed had been dismissed, and the directors sued in defamation, seeking to rely upon the materials sent to the police.
See Also – Mahon, Kent v Dr Rahn, Biedermann, Haab-Biedermann, Rahn, and Bodmer (a Partnership) (No 2) CA 8-Jun-2000
The defendant’s lawyers wrote to a financial services regulatory body investigating the possible fraudulent conduct of the plaintiff’s stockbroking firm. The letter was passed to the Serious Fraud Office who later brought criminal proceedings . .
Cited – Commissioner of Police of The Metropolis v Copeland CA 22-Jul-2014
The defendant appealed against the award of damages for assault, false imprisonment and malicious prosection, saying that the question posed for the jury were misdirections, and that the jury’s decision was perverse. The claimant was attending the . .
These lists may be incomplete.
Updated: 04 February 2021; Ref: scu.258643