The UK Competition Appeal Tribunal (CAT) "is a specialist judicial body with cross-disciplinary expertise in law, economics, business and accountancy whose function is to hear and decide cases involving competition or economic regulatory issues." (Description from CAT's homepage.)
Neurtal citation is [yyyy] CAT #
The LawBod shelves its series of English & Welsh and UK reports on Floor 2.
A specialist series you may not have encountered before is
United Kingdom Competition Law Reports at Cw UK 120 U50