Expatriate Law

Family

Oscar Smith is a Partner at Expatriate Law, advising on all issues arising from the breakdown of a relationship, whether between married or unmarried couples.

He is a specialist international family lawyer regularly instructed on complex cross-border children and financial matters. His experience spans cases from across the globe, particularly involving Europe, the Middle East and Australia.

He has developed a particular reputation for technically demanding cases involving jurisdiction battles, offshore trusts, international relocation, parental responsibility, and matters where the welfare of children intersects with novel jurisdictional questions. Oscar is a Resolution-accredited specialist in complex high-net-worth financial remedies and cohabitation cases. He is also a collaboratively trained lawyer.

Oscar joined Expatriate Law in May 2021 as a Senior Associate and was promoted to Partner in 2026. He qualified in 2015 at Russell-Cooke LLP.

Oscar has been involved in two recent reported decisions: M v F (Parental Responsibility) [2024] EWFC 377, which clarified the treatment of birth certificate errors in parental responsibility proceedings, and G v H (Relocation to Australia) [2024] EWFC 230, in which he successfully obtained permission for an autistic child and his mother to relocate from England to Australia.

Co-authored an article published in Resolution’s The Review and is a regular contributor to the firm’s thought leadership and publication programme, as well as a speaker at external events and conferences. Finalist for Associate of the Year (Family Law Awards, 2023) Finalist, International Team of the Year – LexisNexis Legal Awards (2022, 2024, 2026)

Reported cases:

M v F (Parental Responsibility of a non-biological father) [2024] EWFC 377 (B) (09 September 2024) G v H (Relocation to Australia: Immigration Issues) [2024] EWFC 230 (B) (24 January 2024) Jardaneh v Jardaneh [2022] EWFC 201 (28 September 2022)

English

Member, Resolution Resolution-accredited specialist in high-net-worth complex financial remedies Resolution-accredited specialist in cohabitation cases