# Argentina Begins Malvinas Sea Lion Oil Case at Maritime Tribunal

> Argentina starts maritime tribunal hearings against UK over Sea Lion oil project with Argentine judge.
- Title: Argentina Begins Malvinas Sea Lion Oil Case at Maritime…
- Summary: Argentina starts maritime tribunal hearings against UK over Sea Lion oil project with Argentine judge.
- Keywords: argentina, united kingdom, malvinas, sea lion oil project, maritime tribunal, temporary measures, oil drilling, 2027, Perfil
- Source: Perfil — https://perfil.com/politica/malvinas-comienzan-las-audiencias-por-sea-lion-en-el-tribunal-del-mar-con-un-juez-argentino-aFo4A4z10n1n
- Published: 2026-11-09T23:14:36.874+00:00
- Read time: 1 min
- Topics: argentina, united kingdom, malvinas, sea lion oil project, maritime tribunal, temporary measures, oil drilling, 2027, news
## Argentina files maritime case
Argentina presented its request for temporary measures to halt the UK's Sea Lion oil project in the Malvinas archipelago at the International Tribunal of Maritime Law in Hamburg.
## Tribunal completes with Argentine judge
The tribunal was completed with the swearing-in of Argentine judge Raúl Vinuesa, who replaced the excused Argentine judge Frida Armas Pfirter.
## Live hearings begin
Live hearings start at 6 a.m. (Argentina time) with camerunese Maurice Kamga overseeing the sessions.
## Royal family member in islands
Queen Carlos III's sister, Ana, is visiting the Malvinas islands and South Georgia from November 1 to November 20.
## Argentina's legal team
Argentina's delegation includes legal secretary María Ibarzabal Murphy, ambassador Mario Oyarzábal, and lawyers Marcelo Kohen and Agustín Giustiniani.
## First hearing schedule
Argentina presents its case from 6 to 9 a.m. on Tuesday, with the UK responding from 11 to 2 p.m., followed by a second round on Wednesday.
## Historical context
This is the first time Argentina has filed a maritime claim against the UK over Malvinas, referencing a 1884 arbitration proposal the UK rejected.
## Argentina's legal arguments
Argentina argues the Sea Lion project violates environmental protections and maritime law, as it is the first offshore oil field operated by Navitas with a partner that has never drilled.
## Timeline for decision
The tribunal could rule by late November, before the Sea Lion project's drilling begins in early 2027.
## Key takeaway

Argentina filed the first-ever maritime case against the UK over oil drilling in the Malvinas archipelago, seeking temporary measures to halt the Sea Lion project before 2027.