Discusses the common law protection afforded to mediation negotiations by the without prejudice rule, legal professional privilege and the mediation agreement signed by all parties prior to the commencement of the mediation process. Examines the inclusion of admissions within the without prejudice rule, and the exceptions to the rule. Notes two pieces of legislation offering protection, namely the US Uniform Mediation Act 2001 and Directive 2008/52. Argues that the limited protection in the UK provides a case for the introduction of legislation on mediation privilege.postprin