Clare Hennessey is special counsel in the firm’s London office. Her practice focuses on the resolution of complex commercial disputes via litigation in the English courts.
Clare’s broad experience includes advising clients in relation to complex civil fraud, breaches of contract and warranty, shareholder and joint venture disputes, professional negligence, and competition and regulatory investigations, in sectors including finance, energy, construction, automotive, telecommunications, and professional services. She also has particular experience in cartel damages actions before the Competition Appeal Tribunal.
Clare has an active pro bono practice. Recent work has included advising the human rights organization Reprieve in relation to a number of matters and working with Help Refugees UK on the relocation of child refugees from Calais to the UK. Prior to joining Jenner & Block, she practiced as a senior associate in the London office of a large international firm.
Credentials
Service / Recognition
Overview
Clare Hennessey is special counsel in the firm’s London office. Her practice focuses on the resolution of complex commercial disputes via litigation in the English courts.
Clare’s broad experience includes advising clients in relation to complex civil fraud, breaches of contract and warranty, shareholder and joint venture disputes, professional negligence, and competition and regulatory investigations, in sectors including finance, energy, construction, automotive, telecommunications, and professional services. She also has particular experience in cartel damages actions before the Competition Appeal Tribunal.
Clare has an active pro bono practice. Recent work has included advising the human rights organization Reprieve in relation to a number of matters and working with Help Refugees UK on the relocation of child refugees from Calais to the UK. Prior to joining Jenner & Block, she practiced as a senior associate in the London office of a large international firm.
Areas of Focus
Credentials
Admissions
- England and Wales, 2014
Education
- University of Law, LLB, (First class), 2012
- University of Cambridge, MA, (Double First), Clare College, 2009
Service / Recognition
Awards
- Pro Bono Recognition List, England & Wales, 2026