Mr Olivier Diaz > Gide Loyrette Nouel A.A.R.P.I. > Paris, France > Lawyer Profile
Gide Loyrette Nouel A.A.R.P.I. Offices

15 rue de Laborde
Paris
75008
France
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Mr Olivier Diaz

Work Department
Mergers & Acquisitions / Corporate
Position
Admitted to the Paris Bar in 1990, partner Olivier Diaz has over 25 years’ experience in complex mergers and acquisitions, private equity operations, securities law and corporate law. His practice covers a wide variety of transactions, in particular public and private acquisitions, leveraged buyouts, joint ventures and corporate restructurings.
During his career, Olivier has worked with clients on the largest and most complex M&A transactions in France, particularly in industrial fields, such as telecoms, energy, financial institutions and the food industry. He also assists companies on complex governance issues and is regularly consulted by regulators on securities and corporate law issues.
Career
Prior to joining Gide in which Olivier was previously partner from 1990 to 1998, he worked for two years at Linklaters (1998-2000), fourteen years at Darrois Villey Maillot Brochier (2000-2015) and three years at Skadden Arps Slate Meagher & Flom.
Languages
French, English
Education
A graduate of Paris’ political sciences institute Sciences-Po (1985) and of HEC business school in Paris (1987), Olivier also holds a postgraduate degree (DESS) in international taxation from Paris XI University (1987).
Lawyer Rankings
France > Mergers and acquisitions
(Hall of Fame)A French firm with offices globally, Gide Loyrette Nouel A.A.R.P.I. is especially noted for its public M&A and private equity work, having recently handled headline deals in the energy, financial services, technology, healthcare and life sciences sectors. Practice head Olivier Diaz is one of the market’s star names for LBOs, public and private acquisitions, joint ventures and corporate restructurings. Further standout names include Anne Tolila, who often handles M&A operations for growth companies, and Jean-Gabriel Flandrois, an expert in distressed M&A. Charles de Reals complements his transactional prowess with knowledge of securities law and corporate governance matters.
France > Private equity: LBO
Gide Loyrette Nouel A.A.R.P.I.‘s team provides an integrated legal and tax offering to a range of financial sponsor clients. The team is additionally noted for its strengths in the structuring and implementation of management packages. Practice head Olivier Diaz has considerable expertise handling complex leveraged buyouts, and specialises in advising regulators on securities and corporate law issues. Jean-François Louit and Caroline Lan are also noted for their strong track record in tax matters.
France > Dispute resolution: Stock market litigation
Gide Loyrette Nouel A.A.R.P.I. stands out for its ability to combine top litigation, regulatory and financial services expertise. The practice is well-placed to act for leading asset management and financial services companies and top investment banks, while also regularly defending individuals including financial brokers and top executives. The team manages a large and prominent caseload featuring AMF investigations into stock market abuse offences (price manipulation, insider dealing or financial communication issues). It is also involved in highly complex matters such as cases featuring cross-border investigations or involving parallel investigations from the French criminal prosecutor (PNF) in addition to the AMF regulator. Jean-Philippe Pons-Henry is a key name in the field and co-heads the practice alongside litigator Bruno Quentin, asset management experts Stéphane Puel and Benjamin Delaunay, and M&A partner Olivier Diaz
. Associate Marie Robert-Schmid also deserves a mention. Of note, the hire of Stéphanie Philippe, a financial forensics and accounting expert in January 2022 – a rare move on the market – adds further technical competence to the practice.
France > Industry focus: Luxury goods
The luxury goods team at Gide Loyrette Nouel A.A.R.P.I. is a force in the marketplace, advising on and safeguarding the IP of household names in the fashion, jewellery, cosmetics, beverages and hospitality industries, with clients including Christian Dior, LVMH and L’Oréal. The group is headed by IP litigation expert Emmanuel Larere; Raphaëlle Dequiré-Portier, who manages unfair competition law matters; Franck Audran, who handles complex competition law proceedings; IT projects expert, Thierry Dor; Olivier Diaz; who has considerable experience advising on transactions involving luxury goods companies; David Jonin
, who assists with employment law as it relates to the industry; and Julien Guinot-Deléry, who specialises in NFTs and metaverse issues.
Paris > Fusions-acquisitions
(Hall of Fame)Firme française internationale, Gide Loyrette Nouel A.A.R.P.I. est particulièrement reconnu pour la qualité de son expertise dans les domaines des opérations de fusions-acquisitions cotées et de capital-investissement. Le cabinet s’est récemment illustré par son implication dans de grandes opérations touchant les secteurs de l’énergie, des services financiers, de la technologie, de la santé et des sciences de la vie. Le responsable de la practice Olivier Diaz est l’un des grands noms du marché pour les opérations de LBO, d’acquisition sur des cibles cotées ou non cotées, de joint-venture et de restructuration d’entreprise. Se distinguent également : Anne Tolila , qui gère souvent des opérations de fusions-acquisitions portant sur des entreprises en croissance ; et Jean-Gabriel Flandrois qui est un expert des deals de fusions-acquisitions tenant à des sociétés en difficulté. Charles de Reals intervient dans des opérations transactionnelles, et traite des sujets de droit boursier et de gouvernance.
Paris > Private equity > LBO
Gide Loyrette Nouel A.A.R.P.I. est en mesure d’offrir des compétences juridiques et fiscales intégrées à destination d’une large gamme de sponsors financiers. L’équipe dispose aussi d’un fort savoir-faire dans la structuration et la mise en place de management-packages. Le responsable de la pratique Olivier Diaz possède une grande expertise dans la gestion des opérations complexes de LBO, ainsi qu’une connaissance pointue des sujets boursiers et de droit des sociétés. Jean-François Louit et Caroline Lan apportent leurs contributions, notamment au plan fiscal.
Paris > Résolution des litiges > Contentieux boursier
Gide Loyrette Nouel A.A.R.P.I. se démarque par sa combinaison d’expertises de premier plan lui permettant de couvrir le contentieux, les sujets réglementaires et les problématiques touchant au secteur des services financiers. La pratique est particulièrement adaptée aux grandes sociétés de gestion d’actifs et aux grandes banques d’investissement. L’équipe assiste aussi des individus, dont des traders et des cadres exécutifs. L’équipe intervient régulièrement lors d’enquêtes de l’AMF portant sur des d’abus de marché (manipulation de cours, délit d’initié, communication financière). Elle gère des dossiers complexes, tels que des enquêtes transfrontalières ou impliquant des procédures parallèles du Parquet National Financier (PNF) et de l’AMF. Jean-Philippe Pons-Henry est l’une des grandes figures de l’équipe. Il codirige la pratique de contentieux boursier aux côtés de l’avocat de contentieux Bruno Quentin; des experts du secteur des services financiers Stéphane Puel et Benjamin Delaunay; et du spécialiste du corporate Olivier Diaz
. Le collaboratrice Marie Robert-Schmid mérite également une mention. A noter : le recrutement en janvier 2022 de Stéphanie Philippe qui est Expert financier et qui permet ainsi au cabinet d’ajouter une compétence technique rare sur le marché à sa pratique.
Paris > Secteurs et industries > Luxe
Gide Loyrette Nouel A.A.R.P.I. est très réputé sur le marché pour sa pratique dans le domaine des produits de luxe. Le cabinet offre une excellente expertise en droit de la propriété intellectuelle, à laquelle font appel de grands noms du luxe dans les secteurs de la mode, de la joaillerie, des cosmétiques, des boissons et de l’hôtellerie (Christian Dior, LVMH et L’Oréal figurent dans le portefeuille de clientèle). La pratique est codirigée par un groupe d’associés aux expertises complémentaires : l’expert en contentieux de la propriété intellectuelle Emmanuel Larere; Raphaëlle Dequiré-Portier qui traite des dossiers de concurrence déloyale ; Franck Audran qui gère des dossiers de droit de la concurrence ; l’expert des projets informatiques et technologiques Thierry Dor; Olivier Diaz qui est un grand nom du corporate ; David Jonin
qui est compétent en droit social ; et Julien Guinot-Deléry qui est spécialiste des sujets relatifs aux NFT et au métaverse.
Lawyer Rankings
- Dispute resolution: Stock market litigation France
- Hall of Fame France > Mergers and acquisitions
- Industry focus: Luxury goods France
- Mergers and acquisitions France
- Private equity: LBO France
Top Tier Firm Rankings
- Administrative and public law
- Banking and finance: Bank regulatory
- Banking and finance: transactional work
- Capital markets: debt capital markets
- Capital markets: equity capital markets
- Data privacy and data protection
- Derivatives and structured finance
- Dispute resolution: Stock market litigation
- Employment
- Environment
- EU, competition and distribution
- Industry focus: Energy
- Industry focus: Luxury goods
- Insurance
- Intellectual property: Copyright
- Intellectual property: Patents
- Intellectual property: Trade marks and designs
- Private equity: venture/growth capital
- Project finance
- Real estate
Firm Rankings
- Compliance
- Industry focus: Healthcare and life sciences
- Industry focus: IT and internet
- Industry focus: Telecoms
- Media and entertainment: Television/radio
- Mergers and acquisitions
- Private equity: Fund formation
- Private equity: LBO
- Tax
- Dispute resolution: White-collar crime
- Dispute resolution: Commercial litigation
- Dispute resolution: International arbitration