Denis Brock

Partner

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Denis Brock is the Chair of O'Melveny's International Disputes and Arbitration Practice and the regional head of the Asia Litigation Practice. He concentrates his practice on commercial and corporate arbitration, litigation, and regulatory investigations.

Denis is regularly recognised as a leading dispute resolution and insurance practitioner in Asia and the UK. He is currently ranked as “Band 1” by Chambers Asia in dispute resolution and has equivalent ranking with other relevant legal directories. He is an Advocate in England & Wales and an Advocate in Hong Kong.

Denis draws on years of experience handling corporate and joint venture disputes, partnership issues, commodities and resources disputes, professional negligence claims (particularly against accountants, brokers, and lawyers), banking and finance litigation, insurance matters, and regulatory issues.

Denis is a Fellow of CIArb and is regularly appointed as arbitrator. He appears as counsel in arbitrations including those under the administration of the LCIA, HKIAC, CIETAC, and ICC.

Honors & Awards

Chambers Asia-Pacific 2019: Band 2 for Insurance: Contentious (International Firms)

  • Denis Brock has "deep connections" to the insurance industry, according to one client who adds: "He offers advice that I can trust." He is a renowned litigator who leads the firm's insurance practice and is considered a first choice by many international insurers to handle complex contentious mandates. He has particular experience in handling professional negligence claims and regulatory compliance mandates.

Chambers Asia-Pacific 2019: Band 1 for Dispute Resolution: Litigation (International Firms)

  • "Market commentators describe Denis Brock as a ""fantastic lawyer"" who is ""very highly regarded."" ""He has a lot of experience and wisdom,"" sources also note. A seasoned litigator and arbitrator, he is particularly well versed in joint venture and commodities disputes, also advising on banking and insurance litigation."

Chambers Asia-Pacific 2019: Leading Litigator: Band 4 for Dispute Resolution: Arbitration (International Firms)

  • Denis Brock is a long-standing arbitration lawyer, also recognized as a leading litigator. Clients say: "Denis is a highly capable dispute resolution practitioner, with an extremely quick mind and the ability quickly to sum up the merits of a problem and to provide prompt and accurate legal advice."

Benchmark Litigation 2019, Dispute Resolution Star for Commercial and Transactions, International Arbitration

Who's Who Legal 2018, Litigation Expert

Legal 500 Asia Pacific 2015, Leading Individual

Chambers Asia Pacific 2015, Leading Individuals: Band 1 
  • “Denis Brock joined [OMM] in October 2014. A ‘terrific practitioner,’ Brock is one of a select number of Hong Kong…advocates. He specializes in commercial, corporate and regulatory work and often acts for significant clients. Interviewees rate him very highly – ‘he’s a good strategic thinker and we send him difficult cases’.”
Asia Pacific Legal 500, 2014, Leading Individual
  • “…the ‘mighty’ Denis Brock, who is a ‘very good lawyer’ and is admired for his advocacy, has been awarded higher rights of audience.”
  • International Arbitration: “Denis Brock is also an experienced arbitration expert.”
  • Financial Services – Regulatory: “Providing ‘a superlative level of service’…[and] ‘a thoughtful approach to analysis…is head of the contentious team Denis Brock'.”
Chambers Asia Pacific 2014, Leading Individuals: Band 1
  • “Sources point to his very strong reputation in the market.” 
Asia Pacific Legal 500 2013, Leading Individual
  • “Leading figure Denis Brock recently represented China Healthcare in a substantial dispute over a sale and purchase agreement, and acted for a major oil and gas company in connection with a US$6bn case involving the calculation of crude oil prices.” 
Chambers Asia Pacific 2013, Leading Individuals: Band 1
  • “Denis Brock is ‘a capable and decisive operator who employs clear, laconic communication’, in the opinion of clients. He is an accomplished litigator with particular expertise in arbitration and insurance-related matters. Clients also reserve enthusiastic praise for his ‘good strategic thinking that gives you that extra edge’.”
  • Insurance: “Denis Brock impresses clients with his expertise on complicated cases. He has earned a fine reputation among commentators for handling professional negligence claims on behalf of lawyers, brokers and auditors.”
Asia Pacific Legal 500 2012, Leading Individual
  • “Denis Brock (‘comes up with solutions that no one else even remotely thinks about’, one of the best litigators I have come across’, ‘practical’, ‘commercial’, ‘remarkable people skills’)”
Chambers Asia Pacific, 2012, Leading Individuals: Band 2
  • “Denis Brock is ‘exceptional when it comes to big-ticket litigation. He’s one of the most tenacious litigator around’. One client added ‘he has a magic circle-quality practice without the magic circle fees’.” 
  • Insurance: “Litigator Denis Brock…is deemed ‘proactive and timely in making good judgments in any given case’.”
Asia Pacific Legal 500 2010/2011
  • “… the arrival of Denis Brock from…London promises a bright future.” 
Chambers Asia Pacific 2011
  • “The addition of Denis Brock…will further strengthen the litigation team.”
Chambers 2010 
  • “Denis Brock specialises in accountants’ and lawyers’ cases and is highly organised and decisive, as well as being “prepared to express strong, informed opinions.”
Legal 500 2009/2010
  • Commercial Litigation: “Other leading practitioners include…Denis Brock.”
  • Professional Negligence: “…the strength of the expertise of Denis Brock…”
  • Insurance & Reinsurance: “…Denis Brock…are leading figures…”

Admissions

Bar Admissions

  • Hong Kong (Solicitor-Advocate)
  • England & Wales (Solicitor-Advocate)
  • Ireland
  • Australia
  • New Zealand
  • New York

Court Admissions

  • Singapore International Commercial Court (Registration of Foreign Lawyers)

Education

  • University of London, LL.B. (Honours)
  • University of Hong Kong, LL.M. (Distinction)

Professional Activities

Member

  • Law Society of Hong Kong (Council Member: 2000 to 2006, 2011 to date)
  • Law Society of England and Wales        
  • Law Society of Ireland

Appointments

  • Panel of Arbitrators, Hong Kong International Arbitration Centre
  • Panel of Arbitrators for Financial Services Disputes, Hong Kong International Arbitration Centre
  • Panel of Arbitrators, Singapore International Arbitration Centre
  • Panel of Arbitrators, Kuala Lumpur Regional Centre for Arbitration

Fellow

  • Chartered Institute of Arbitrators (FCIArb)
  • Hong Kong Institute of Arbitrators (FHKIArb)

General Editor

  • Arbitration in Hong Kong: A Practical Guide (second edition)
  • Commercial Litigation in Hong Kong: A Practical Guide
  • Arbitration in Singapore: A Practical Guide

Author (contributing)

  • ADR in Business; Insurance Law and Practice in Hong Kong
  • Enforcement of Foreign Judgments
  • The White Book: Hong Kong Civil Procedure

Speeches   

  • Inter-Pacific Bar Association annual conferences
  • ADR in Asia conferences in Hong Kong
  • In-House Congress conferences in Asia’ HKIAC roadshow to India: Bridging Asia’s Leading International Arbitration Destination with Asia’s Rising Economic Powerhouse
  • HKIAC’s Complex Issues in International Arbitration
  • SIAC’s conference in London: The Marco Polo Effect - The role of Singapore in the Euro-Asian legal eco-system
  • SIAC’s conference in New York: The Marco Polo Effect - Arbitrations and Contracts with Chinese, Indian, and ASEAN Parties
  • Guest Lecture on Insurance Law, The University of Hong Kong
  • Guest Lecture on Arbitration, The Chinese University of Hong Kong
  • O’Melveny Presents Seminar in Hong Kong: India-Hong Kong Tax Treaty, Opportunities for Business and Drafting Dispute Resolution Clauses with Indian Parties
  • Appearing as a Solicitor Advocate in actions before the High Court and Court of Appeal of Hong Kong, and The High Court, Court of Appeal of England & Wales, and The House of Lords (now reconstituted as the Supreme Court)
  • Representing Hong Kong listed companies and multi-national corporations in regulatory investigations conducted by the Securities and Futures Commission, the Stock Exchange of Hong Kong, the Office of the Commissioner of Insurance, and other regulatory bodies
  • Acting for a Hong Kong regulator as investigations and prosecution counsel
  • Defending the directors of a Hong Kong listed company against a minority shareholder action
  • Defending an international investment bank against claims arising from the alleged mis-selling of financial products
  • Defending an international insurance broker against high-value claims for professional negligence arising from the placement of insurance programmes
  • Representing a leading accounting firm network in the expulsion of its then Hong Kong member firm and the ensuing arbitration in London and litigation in Hong Kong
  • Representing a Hong Kong listed company in a long-running court battle with numerous counter-parties over a very substantial acquisition
  • Defending a leading professional services firm and its partners against a claim for negligence relating to their role as trustees in bankruptcy