ONTIER LLP‘s London practice encompasses large-value arbitration cases under the UNCITRAL, ICC, AAA, LCIA, SCC, CIETAC, HKIAC and SIAC rules. The group is particularly well known for blockchain, cryptocurrency and technology disputes. London disputes practice head Oliver Cain has longstanding experience in both commercial litigation and arbitration. Solicitor-advocate Felicity Potter routinely appears on behalf of clients in arbitrations. Aoife Keane departed the firm in late 2023.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Exceptionally knowledgeable team, loyal to clients' interests, flexible in the approach to cases.’

  • ‘A leading international arbitration practice that really knows its stuff.’

  • ‘Oliver Cain a very dedicated professional with exceptional knowledge of legal matters and legal processes.’

  • ‘Oliver Cain is extremely hard-working and detail oriented.’

Work highlights

  • Acting for a Portuguese multinational energy corporation in LCIA arbitration proceedings against a Spanish energy utility company, in respect of claims and counterclaims arising out of an EFET General Agreement for the supply of natural gas.
  • Acting for a former major shareholder in two Russian banks in LCIA arbitration proceedings, which are valued at $85m.
  • Acting for a UK subsidiary of a US investment bank in a dispute with a Luxembourg company, in relation to the provision of transactional advisory services.

Practice head

The lawyer(s) leading their teams.

Oliver Cain

Other key lawyers

Felicity Potter, Nicholas Dawson