Freshfields Bruckhaus Deringer is a leading UK-based law firm which, apart from being main legal advisor for the London 2012 Olympic Games organising committee, in February 2009 was appointed by Xstrata to handled its rights issue as the UK-Swiss company attempted to wrest itself out of debt.
See http://moneytometal.org/index.php?title=Freshfields_Bruckhaus_Deringer.