Helen Biggin

Helen Biggin


Helen is an experienced litigator. She has extensive experience acting for corporate clients and financial institutions in complex, reputationally sensitive and often multi-jurisdiction litigation and arbitration.

Helen specialises in commercial claims, breach of confidence claims and acting for clients in high value fraud matters. She also has notable experience representing clients in litigation relating to breaches of aircraft lease agreements (and other related matters such as aircraft delivery, technical claims and repossessions). Helen has extensive trial experience in the English Commercial Court, Court of Appeal and Supreme Court. Helen also has substantial arbitration experience (particularly of LCIA and LMAA arbitrations).

Helen is a member of the legal advisory panel of the Aviation Working Group, a not-for-profit body comprised of major aviation manufacturers, leasing companies and financial institutions that contribute to the development of policies, laws and regulations that facilitate advanced international aviation financing and leasing.

Helen has been recognised by Legal 500 UK as a ‘Rising Star’ for Commercial Litigation and Civil Fraud.

"Helen Biggin... insightful, practical and highly responsive"
Legal 500 UK 2024
"'Rising Star' for Commercial Litigation: Premium and Fraud: Civil"
Legal 500 UK 2024



Admitted as solicitor, England and Wales, 2008
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.