
Acting for both claimants and defendants in UK and cross-border actions, Simmons & Simmons draws particular praise from clients for its associates, who are noted for their ‘excellent case management skills'. The firm advises on stand-alone and follow-on damages actions relating to cartel cases and abuse of dominance and also acts in opt-out collective actions. Practice head Patrick Boylan advises on follow-on damages in cartel cases and in class actions in the telecoms sector. Eleanore Di Claudio acts for both sides in collective actions before the CAT. Sarah Smith advises on follow-on damages claims.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- I really like the Simmons & Simmons team. They are always fun to deal with, they explore all the issues very thoroughly and always keep an eye on the overall strategy.
- Lizzie Davison manages a very strong team, oversees big cases with ease and encourages a high degree of collaboration. Tom McKenzie is pleasant to deal with but also a strong and incisive lawyer who doesn't hold back.
- Simmons and Simmons punch above their weight in the competitive field. Their partners are engaged and attentive to clients. It is my impression that teams are well-resourced and work well with counsel and experts.
- Patrick Boylan stands out as a master tactician. He combines a sublime grasp of the law and an appreciation of client needs.
- The Simmons & Simmons Competition Litigation practice combines strategic insights and deep expertise in competition law to successfully navigate complex competition litigation proceedings.
- I find Sarah Smith to be one of the most able competition lawyers I have come across. She combines technical excellence and superb drafting skills with excellent client handling skills. I have recommended her to a number of colleagues, all of whom have only had great things to say about her. She is a strategic thinker and is able to think 5 moves ahead.
Key clients
- BT Group PLC
- His Majesty’s Revenue and Customs
- LG Electronics Inc.
- Waterside Class Limited
- Lupin
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Patrick Boylan
Other key lawyers
Elizabeth Davison; Eleanore Di Claudio; Duncan Green; Anna Keenlyside; Sarah Smith
