Mr Arthur Dethomas > Hogan Lovells (Paris) LLP > Paris, France > Lawyer Profile
Hogan Lovells (Paris) LLP Offices

17 AVENUE MATIGNON
CS30027
75378 PARIS
France
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Mr Arthur Dethomas

Work Department
Litigation
Position
Partner
Career
Renowned for his experience in corporate, stock exchange, and financial litigation and in white-collar criminal law, Arthur Dethomas is a member of the Club des Juristes (a French legal think-tank). Arthur has developed a recognized competency in complex corporate cases before the French commercial courts and represents clients before courts as well as regulatory authorities. He has been involved on numerous internal investigations and has substantial experience representing clients in cross-border matters, including insider trading, financial fraud, and the Foreign Corrupt Practices Act.
Arthur is licensed in Paris and in New York. He began his career at an international commercial law firm, before joining an international business law firm where he was elected to the partnership in 2007. In 2013, he founded a highly renowned litigation boutique firm. He was appointed Premier Secrétaire de la Conférence of the Paris Bar in 2003.
Languages
English, French
Education
Master’s degree in Business Law, University of Paris X; LL.M., Washington College of Law (A.U.)
Lawyer Rankings
France > Dispute resolution: Commercial litigation
(Leading partners: Corporate and commercial litigation)Hogan Lovells (Paris) LLP is able to tackle a high diversity of disputes starting with mass proceedings linked to product liability matters (especially in the healthcare sector where the team advises on prominent cases). Corporate litigation is another strong field of expertise through practice head Arthur Dethomas who is entrusted by leading investment funds as well as companies to handle M&A related conflicts while also handling challenging commercial litigation. Finally, the team also regularly acts in matters linked to the IT and internet spheres (notably representing major internet companies). The team also includes Christine Gateau and Christelle Coslin. Counsel Marine De Montecler provides support.
France > Dispute resolution: Stock market litigation
(Leading partners)Hogan Lovells (Paris) LLP‘s Arthur Dethomas has extensive experience advising public companies and their investors, notably on governance issues and in shareholders conflicts. He also regularly defends investment funds, companies and senior executives in AMF’s securities breach investigations (insider trading notably).
France > Compliance
Strengthened by the arrivals of Jean-Pierre Picca and Jean-Lou Salha from White & Case LLP in January 2024, the team at Hogan Lovells (Paris) LLP represents financial institutions in corporate investigations, with additional expertise in matters concerning anti-money laundering and anti-terrorist financing. An expert in financial investigations, Picca jointly leads the practice alongside Arthur Dethomas, who has experience in internal investigations and assists with the implementation of anti-corruption compliance programmes. Salha advises on compliance issues related to anti-bribery and anti-money laundering regulations, while Christelle Coslin handles the drafting, review and implementation of compliance programmes.
France > Dispute resolution: White-collar crime
The hiring of a dedicated team early 2024 led by the experienced Jean-Pierre Picca (now practice co-head) and Jean-Lou Salha from White & Case LLP has allowed Hogan Lovells (Paris) LLP to boost its white-collar crime and compliance capabilities in Paris. The duo has established experience assisting leading French banks with sensitive international sanctions, money laundering and tax fraud investigations. Beyond the banking sector, the newly combined team also handles an array of fraud, corruption, bribery and ESG investigations on behalf of companies and individuals. Seasoned litigator Arthur Dethomas co-heads the practice, while counsel Arthur Merle-Beral provides support.
Lawyer Rankings
- Leading partners France > Dispute resolution: Stock market litigation
- Leading partners: Corporate and commercial litigation France > Dispute resolution: Commercial litigation
- Dispute resolution: Commercial litigation France
- Dispute resolution: Stock market litigation France
- Compliance France
- Dispute resolution: White-collar crime France
Top Tier Firm Rankings
- Data privacy and data protection
- Derivatives and structured finance
- Industry focus: Healthcare and life sciences
- Industry focus: IT and internet
- Insolvency
- Intellectual property: Trade marks and designs
- Private equity: venture/growth capital
Firm Rankings
- Aviation finance
- Banking and finance: Bank regulatory
- Banking and finance: transactional work
- Capital markets: debt capital markets
- Dispute resolution: Commercial litigation
- Dispute resolution: Stock market litigation
- Employment
- EU, competition and distribution
- Industry focus: Energy
- Industry focus: Luxury goods
- Insurance
- Intellectual property: Copyright
- Intellectual property: Patents
- Private equity: LBO
- Shipping finance
- Administrative and public law
- Compliance
- Dispute resolution: International arbitration
- Dispute resolution: White-collar crime
- Industry focus: Telecoms
- Project finance
- Tax
- Mergers and acquisitions
- Real estate