The 4 are
Philip Johnson and James Mellor QC (trade marks and designs)
Martin Howe QC (designs only)
Tom Mitcheson QC (trade marks only)
Who is an Appointed Person?
When someone wishes to make an appeal from a decision of the UKIPO the Appointed Person will hear the appeal either ex-parte (only one party) or inter-partes (more than one) concerning decisions by trade mark hearing officers and by the Intellectual Property Office on registered and unregistered designs, including those resulting from the IPO’s design opinions service when launched in October.