Bio
Leonia Chesterfield is an attorney in Scott+Scott’s London office. She specializes in acting for businesses and consumers who have suffered losses arising from anticompetitive conduct.
Leonia has been recognized as a recommended lawyer for competition litigation in Legal 500 (2025 and 2024).
Prior to joining Scott+Scott, Leonia has had a breadth of legal experience in both the private and public sectors. This includes working for several years at the UK’s Competition and Markets Authority advising on a broad range of litigation, merger control, and international competition policy issues.
Directory quotes (Legal 500 2025 and 2024, Competition Litigation):
“Leonia Chesterfield is a very good solicitor with bags of experience”
“Leonia Chesterfield – hardworking with a wealth of experience”
“Leonia Chesterfield undertakes competition litigation at every level of the UK judicial system”
Admissions
- England and Wales
Representative Cases
- Acting in collective proceedings in the UK’s Competition Appeal Tribunal (CAT)
- Defence of multi-party appeals against numerous regulatory and competition infringement decisions in the CAT
- Consumer law test case litigation for overdraft charging practices brought against 8 leading UK banks (up to Supreme Court)
Education
- King’s College London (MA and PG Diploma in EU Competition Law)
- La Sorbonne, Université de Paris I (Maîtrise en droit)
- King’s College London (LLB in English and French law)