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USA 2022
Louisiana Litigation
Band 3

4 Ranked Lawyers


Provided by Gordon Arata Montgomery Barnett

Gordon Arata Montgomery Barnett represents business clients of all sizes in litigation as diverse and complex as the firm’s markets and clients.  It represents clients as plaintiffs and as defendants in federal and state courts, before administrative agencies and in alternative dispute resolution forums.  The commercial litigation group has earned its reputation as one of Louisiana’s premier practices and represents clients in matters regarding:

  • Antitrust
  • Construction litigation and arbitration
  • Consumer class actions
  • Corporate and shareholder litigation
  • Employment litigation
  • Financial services litigation
  • Franchise litigation
  • Insurance litigation
  • Misappropriation of trade secrets
  • Products liability
  • Professional liability
  • Securities fraud
  • Tax
  • Telecommunications and public utilities
  • Unfair trade practices

The firm is nationally known for defense of consumer class actions, having successfully represented clients in nationwide and statewide class actions and multi-district litigation matters.  It regularly handles complicated litigation matters for financial institutions, such as those involving negotiable instruments, letters of credit and security documents. It also handles large and complex construction actions on behalf of owners, contractors and subcontractors and involving both public and private works involving claim preparation and defense, scheduling issues and disruption and delay claims.

Chambers Review

Provided by Chambers
Litigation: General Commercial - Louisiana
Band 3
What the team is known for

Undertakes an array of contract, employment and zoning litigation and offers strength handling complex tax disputes. Regularly handles litigation arising from the energy sector. Also frequently retained to advise on the defense of consumer class actions


"The depth and breadth of the team is strong."

Work highlights

Gordon Arata Montgomery Barnett represented Lonesome Development in a suit centered around an alleged breach of an agreement in connection to a proposed 167-acre development.

Notable practitioners

Ewell Eagan represents banking, energy, healthcare and construction sector clients in an array of disputes, including multidistrict litigation.
"Ewell is one of the great lawyers in New Orleans."

Kelly Perrier is noted for her skills in energy and construction litigation.
"She is an excellent lawyer."

Howard Sinor is regularly called upon by clients for representation in complex litigation, including class action disputes. He offers particular expertise handling a full array of disputes arising from construction projects.

Sam Masur has a robust practice that includes advising clients in product liability cases.
"He is a terrific lawyer who is smart, persistent and thorough."

Ranked Lawyers at
Gordon Arata Montgomery Barnett

Provided by Chambers
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Litigation: General Commercial

Ewell Eagan
Ewell Eagan
Senior Statespeople
Howard Sinor
Howard Sinor
Band 3
Sam Masur
Sam Masur
Band 3
Kelly D Perrier
Kelly D Perrier
Up and Coming


Provided by Gordon Arata Montgomery Barnett

A. Gregory Grimsal

Adam Russ

Armistead Long

C. Byron Berry Jr.

Caroline Lafourcade

Charles Stinneford

Daniel Lund

Member photo

Ewell Eagan

Head of Department

Gerald Schiff

James Rhorer

Jared LeBlanc

John Pearce

Kelly Perrier

Marianna Knister

Martin Landrieu

Meghan Flanery

Michael Botnick

Paul Simon

Phil Antis

Samuel Masur

Scott O'Connor

Head of Department

Stephen Williamson

Steven Copley

Terrence Knister


Provided by Gordon Arata Montgomery Barnett

Admiralty & Maritime



Commercial & Professional Services

Construction & Materials

Consumer Product Manufacturing

Energy & Natural Resources

Financial Services


Health Care



Oil & Gas

Pharmaceuticals & Life Sciences

Private Clients / Individuals

Real Estate