About

Provided by A&O Shearman

Litigation, Arbitration and Dispute Resolution

Our Dispute Resolution practice offers:

  • A full-service U.S. litigation practice. The practice serves clients in significant disputes including: financial institutions litigation, antitrust litigation and criminal/cartel investigations, complex commercial litigation, securities litigation, regulatory and white collar defense, corruption investigations and regulatory compliance, international disputes, professional liability, and internal investigations and special investigations for boards.​

  • A deep-bench of experienced trial lawyers. The U.S. litigation practice is led by several senior litigators, who have experience litigating and trying cases in a wide variety of areas, with a special emphasis on the defense of federal criminal and regulatory cases as well as federal and state civil litigation. The practice is driven by several senior litigators who have served in senior positions in the government.

  • Relationships with leading regulatory bodies. The practice is composed of a team of lawyers that have deeply entrenched relationships and first-hand experience dealing with U.S. regulatory agencies.

  • An integrated global firm with unmatched cross-border capability. Allen & Overy is able to call upon the resources of the firm and utilize those close working relationships that exist among our global network, enabling us to provide truly integrated legal services and ensure smooth coordination and closing of cross-border transactions.

Chambers Review

Provided by Chambers
Litigation: General Commercial: Highly Regarded - New York
3
Band 3
What the team is known for

A&O Shearman demonstrates strength across an impressive range of civil disputes, particularly those arising from the financial services industry. It is well regarded for its expert defense of securities offerings class actions and RMBS litigation, drawing on additional strength in investigations and enforcement proceedings. The firm is also highly active in market manipulation and rate-fixing cases on behalf of financial clients. Its broader commercial litigation practice features strengths in areas including insurance disputes, bankruptcy and antitrust disputes. Experience includes disputes involving appellate proceedings. It possesses excellent cross-border capabilities, with strong coverage of European and Asian jurisdictions.

On 1st May 2024, Allen & Overy and Shearman & Sterling merged to form A&O Shearman.

Work Highlights

Provided by A&O Shearman
  • The firm successfully represented Paramount Global (formerly named ViacomCBS) in securities class action litigation arising from the historic collapse of Archegos Capital Management.

Strengths

Provided by Chambers

Notable Practitioners

Provided by Chambers
Stuart Baskin
S
Stuart Baskin
S
Senior Statespeople

Stuart Baskin offers vast experience in securities litigation on behalf of both financial institutions and issuer clients. He is also recognized for his strong track record in associated regulatory proceedings.

Adam S Hakki
Adam S Hakki
Star Individuals

Adam Hakki represents top financial institutions in a whole host of complex securities and financial litigation. He is particularly prominent in representing underwriters.

"I feel like there is no issue under the sun where I can't pick up the phone and call Adam Hakki and he hasn't dealt with it before. He's got the expertise, experience and he's incredibly responsive."

"He's insightful and responsive."

"Adam is the best of the best."

Daniel Lewis
2
Daniel Lewis
2
Band 2

Daniel Lewis achieves excellent results in his work for financial clients, and is well versed in underwriter representation as well as in MBS litigation.

"He has prolific knowledge of law and developments. He is also very hard-working."

"Dan is an unbelievable writer who prepares beautiful briefs."

Agnès Dunogué
3
Agnès Dunogué
3
Band 3

Agnès Dunogué is a frequent choice for major financial institutions on large securities class actions, and offers particular experience in underwriter representation.

"She's incredibly smart, her pedigree is off the charts. She is hard-working and cares a lot about her cases and clients."

Ranked Lawyers at
A&O Shearman

Provided by Chambers
Filter by
Band

New York

Litigation: Securities

Stuart Baskin
S
Stuart Baskin
S
Senior Statespeople
Adam S Hakki
Adam S Hakki
Star Individuals
Daniel Lewis
2
Daniel Lewis
2
Band 2
Agnès Dunogué
3
Agnès Dunogué
3
Band 3

Members

Provided by A&O Shearman

Eugene Ingoglia

Jacob Pultman

Head of Department

Todd Fishman