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Portrait of Justine Porter


Justine is an associate in the marine, trade and energy team in the London office. She has a broad disputes practice, having been involved in several complex, high value, multi-jurisdictional commercial, insurance and maritime disputes in the Commercial and Admiralty Courts. She has also assisted clients with settling disputes outside of court, utilising alternative dispute resolution mechanisms such as mediation.

Justine acts for a variety of international clients including insurance companies, protection and indemnity clubs, shipowners, charterers, mid to large corporates and company directors. She particularly enjoys investigative work, and has substantive experience managing large-scale, multi-lingual disclosure exercises for her clients.

After joining Penningtons Manches Cooper as a trainee in 2018, Justine qualified in 2020. Prior to this, she worked in immigration for the British Government in Beijing. She can speak and read Mandarin at HSK3 level.

Recent work highlights

  • Acting for a Middle Eastern shipowner claimant in a Commercial Court marine insurance claim for a constructive total loss, valued in excess of $40 million, arising from the armed seizure of the claimant’s vessel.
  • Defending a Middle Eastern insurance company in a complex, high value, political violence, terrorism and war risk insurance claim in the Commercial Court.
  • Assisting a European shipowner claimant in a Commercial Court multimillion-dollar insurance claim for a constructive total loss, arising from the detainment of the claimant’s vessel by overseas state authorities after narcotics were found on board.
  • Advising a global marine fuel trader and supplier on multiple Admiralty Court claims over the arrest of several ships in the UK.
  • Acting for a former director to defend a claim for breach of statutory, contractual and fiduciary duties in connection with various jurisdictions (including Cyprus, the Cayman Islands, Scotland and England).

Penningtons Manches Cooper LLP

Penningtons Manches Cooper LLP is a limited liability partnership registered in England and Wales with registered number OC311575 and is authorised and regulated by the Solicitors Regulation Authority.

Penningtons Manches Cooper LLP