Some fascinating insight here from Foot Anstey's Rachel Warren around the future of geographically protected food/drink names post-Brexit.  

Given some of the amazingly powerful food and drink products and brands linked to the UK it would be a terrible shame for them to lose protected geographical status.  These rules were implemented in the first place to protect the reputation of regional foods, promote rural and agricultural activity, help producers obtain a premium price for their authentic products, and eliminate unfair competition and the misleading of consumers by non-genuine products which may be of inferior quality or of different flavour.  Losing this in a post-Brexit world would be a significant set-back for producers of high quality food and drink in the UK and is something which we should all rally against.