Caja Griesenbach > Macfarlanes LLP > London, England > Lawyer Profile

Macfarlanes LLP

Work Department



Caja advises on a broad range of UK and European competition law matters, including antitrust investigations, private enforcement actions, merger control, and behavioural compliance issues.

She has significant experience representing clients across a range of sectors (including FMCG, grocery, travel technology, publishing, defence and the automotive industry) before UK and European regulators and courts. Caja advises clients in connection with both contentious and non-contentious competition matters, including regulatory investigations concerning alleged anti-competitive agreements or abuses of dominance, obtaining merger control clearances, and defending private claims for damages in connection with alleged antitrust infringements. In addition, Caja provides competition law compliance advice and training.

Caja has previously been seconded to online travel agent Expedia and to the Mergers unit of the UK Competition and Markets Authority.


Qualified 2014

Lawyer Rankings

London > Dispute resolution > Competition litigation

Steered by seasoned competition expert Malcolm Walton, Macfarlanes LLP is routinely engaged in high-stakes disputes arising from regulatory investigations, collective damages proceedings, and precedent-setting appeals. Cameron Firth enjoys a stellar reputation in the market – and the pharmaceuticals sector especially – on account of his broad capabilities in merger control matters, dawn raids and inspections, and contentious matters before the English and EU courts. Simon Day is similarly well regarded for his expertise in group litigation, handling numerous individual and collective damages actions for clients in the transport, automotive, and banking sectors. Emma Radcliffe, who was promoted to partner in May 2021, is noted for her proficiency in investigations before both the European Commission and the CMA, as well as follow-on claims at the High Court and in the CAT. Senior counsel Caja Griesenbach maintains a keen focus on jurisdiction challenges.