Cleary Gottlieb Steen & Hamilton’s dispute resolution team is regularly retained by leading French and international corporations and financial institutions facing AMF investigations. Drawing on the firm's leading public M&A practice, the team is also a go-to-name for related stock-market battles, as demonstrated recently by its key role in the landmark Veolia-Suez takeover dispute. The practice is co-headed by Jean-Yves Garaud and Delphine Michot.

Darrois Villey Maillot Brochier is the go-to-firm for disputes concerning publicly listed companies. Many CAC 40 companies are clients and turn to the firm for their most pressing issues such as governance and shareholders’ activism matters. The team is also top-notch for public takeover disputes, while it is also able to assist companies and investment funds facing AMF stock-market-abuse investigations. It recently earned a major victory on behalf of Vivendi in a high-profile and rare stock market class action case. The team includes several prominent names in the field in Cyril Bonan, who heads the litigation practice, Jean-Michel Darrois, Emmanuel Brochier, Matthieu Brochier and Nicolas Mennesson.

Simmons & Simmons' practice head Thierry Gontard has extensive experience acting for leading financial institutions facing AMF investigations, notably in the context of high-end public takeover bids. He is also assisting a client facing a request from the US SEC authority. In addition, the arrival of litigator Louis-Marie Pillebout from Villey Girard Grolleaud in 2022 adds further strength in the field.

Viguié Schmidt & Associés’ co-heads of practice Nicolas Viguié and Yves Schmidt have excellent knowledge of issues concerning publicly listed companies. The duo, who stand out for their ability to handle M&A deals and litigation, is often retained to assist in the context of public takeover disputes and AMF investigations relating to stock market abuse allegations. The team represents companies, boards and senior executives.

Cohen & Gresser LLP has strong expertise handling stock market abuse cases, such as inside trading and financing communication issues, regularly involving the stock market authority (AMF) and the criminal prosecutor. The firm often defends companies’ executives and private investors. It recently obtained a major decision before the EUCJ regarding evidence admissibility in a high-profile insider dealing case, and has been retained to assist with a major AMF investigation concerning a possible network of insider dealers. Muriel Goldberg-Darmon and Loïc Henriot co-head the practice, which also includes counsel Guillaume Guérin.

Hogan Lovells (Paris) LLP's practice head Arthur Dethomas handles several stock market abuse cases on behalf of investment funds which are subject to AMF-led investigations, notably on the basis of insider trading allegations. He also handles a wide range of disputes concerning securities issues.

Linklaters has recently been involved in several landmark cases before the AMF regarding stock market abuse matters. The team notably acted in two matters raising high-stakes issues concerning financial communications. The firm defends companies, investment funds and financial newspapers. Litigators Arnaud de La Cotardière and Jean-Charles Jaïs are the key names.

Rossi Bordes AARPI  has a strong expertise in the field of financial and securities regulations. The firm is retained by asset management funds to handle AMF compliance investigations as well as AMF sanctions proceedings. The practice is also instructed by traders, CEOs and financial investors to assist during AMF stock market abuse investigations and sanctions proceedings concerning insider trading and financial communications issues. Eric Boillot has extensive experience in the field. Dominique Bordes is another key name.

White & Case LLP’s practice has a strong focus on corporate governance and stock market activism issues. The practice regularly acts on behalf of leading publicly listed companies, as well as investment funds in that area. It also manages mandates concerning stock market battles and stock market abuse investigations. Diane Lamarche heads the team.

Allen & Overy LLP represents several leading banks and investment funds in AMF regulatory and stock market abuse cases. The firm also acts in France’s sole class action launched following an AMF condemnation, and also assists various banks with managing civil and criminal liability litigation linked to various securities products and notes issuance. The team is also expert in the field of financial service regulation. Dan Benguigui and Erwan Poisson are in charge.

Clifford Chance assists rating agency Standard & Poor’s in several AMF-led investigations, while also defending a former banker in an insider trading case. The practice also acted for the banks in the high-profile Suez-Veolia takeover battle. The practice is co-headed by  Thomas Baudesson, Diego de Lammerville and Charles-Henri Boeringer

Herbert Smith Freehills LLP is regularly entrusted by investment funds and investment banks, while also representing companies. The team represents several clients before the AMF enforcement committee in a number of stock market manipulation cases. The practice also has strong investment fund AMF regulatory expertise and is notably involved in a matter concerning financial communication into allegedly sustainable development sectors. Antoine Juaristi and Clément Dupoirier head the practice, with Martin Le Touzé also a key contributor.

Visconti & Grundler's Julien Visconti is regularly retained by US hedge funds and family offices to assist with public tender offer disputes as well as shareholders’ activism cases concerning the governance of leading publicly listed companies. The practice has been involved in many of France’s high-profile shareholders’ activism campaigns recently in relation to CAC 40 companies. The team also handles stock market abuse cases.

Weil, Gotshal & Manges LLP is often called upon by large publicly listed companies to assist with sensitive shareholders’ conflicts and matters relating to takeover bid AMF investigations and litigation. The firm is also assisting several companies facing AMF investigations concerning insider trading and financial communication issues. The practice is headed by Didier Malka.