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Amelia Williams Koch

Senior Counsel

Mimi Koch has substantial experience in courts around the country handling all aspects of class actions, antitrust, and employment litigation and counseling.

Featured Experience


Represented a hospitality provider in a class action alleging exposure to second-hand smoke in the publicly-accessible premises. Obtained dismissal with prejudice of all claims.

Defended a large insurer in a multi-district litigation (MDL) involving alleged price fixing, group boycott and related state law claims in connection with auto body repairs. Complaints were dismissed, with prejudice, by the district court.

Defended regional utility company in a number of multi-plaintiff FLSA suits in several states that alleged misclassification and failure to pay overtime; obtained critical summary judgment rulings in favor of the client as well as favorable settlements.

Professional Biography


Ms. Koch has defended national and international clients in commercial class actions, antitrust litigation, and also provides antitrust counseling, audits and compliance programs. She also analyzes antitrust issues attendant to acquisitions, mergers and business formation and has assisted clients with addressing such issues before various government agencies.

Ms. Koch has also handled large scale collective and class action matters, as well as individual claims, concerning the Fair Labor Standards Act, the Family Medical Leave Act, the Americans with Disabilities Act, Title VII, the Age Discrimination in Employment Act, covenants not to compete, personnel policies and manuals, state discrimination and wage statutes, and employment and severance agreements.

Ms. Koch has also represented accounting firms in malpractice actions and disciplinary proceedings.

  • Represented a major automobile insurance carrier in consolidated proceedings before the U.S. Court of Appeals for the Eleventh Circuit. In a unanimous panel opinion, the Eleventh Circuit upheld the District Court's dismissal of all antitrust claims for per se price-fixing and group boycott brought by body shop plaintiffs in one action while finding the Court lacked jurisdiction to decide the merits of two other actions where the body shops failed to timely file amended complaints, resulting in dismissals with prejudice converting to final judgments by operation of law on the same antitrust claims, which the body shops failed to timely appeal, divesting the Court of jurisdiction.

  • Represented a hospitality provider in a class action alleging exposure to second-hand smoke in the publicly-accessible premises. Obtained dismissal with prejudice of all claims.

  • Represented various clients facing class and related claims regarding working conditions and whistleblower issues. Obtained dismissals or favorable settlements in all of them.

  • Defended a large insurer in a multi-district litigation (MDL) involving alleged price fixing, group boycott and related state law claims in connection with auto body repairs. Complaints were dismissed, with prejudice, by the district court.

  • Represented a large insurance carrier in en banc proceedings before the U.S. Court of Appeals for the Eleventh Circuit. In an 8-1 opinion, the court affirmed dismissals with prejudice of five antitrust complaints (from a larger MDL proceeding) that alleged per se price fixing and group boycott.

  • Defended regional utility company in a number of multi-plaintiff FLSA suits in several states that alleged misclassification and failure to pay overtime; obtained critical summary judgment rulings in favor of the client as well as favorable settlements.

  • Won dismissal of claims with prejudice before the United States Fifth Circuit on behalf of national accounting firm accused of malpractice.

  • Served as lead counsel for a Louisiana hospital in a disruptive physician suit regarding allegations of unfair trade practices, breach of contract, and tortious interference, as well as the implications of HCQIA to the matter. Case resolved for a nominal amount after all other allegations dismissed via summary judgment. 

  • Served as lead counsel for a Louisiana hospital system in breach of contract and related theories regarding traditional provider-payor disputes. Case resolved favorably after motion practice.

  • Handle internal investigations regarding employees at all levels – including Chief Executive Officers – involving allegations of harassment and related concerns.

  • Listed in The Best Lawyers in America® for Antitrust Law since 2005; Commercial Litigation since 2008; Antitrust Litigation, , Labor and Employment Litigation, and Professional Malpractice Law - Defendants since 2011; Product Liability Litigation - Defendants since 2012; Employment Law - Individuals, Employment Law - Management, and Labor Law - Management since 2013
  • Named the Best Lawyers® 2022 Litigation - Labor and Employment "Lawyer of the Year" in New Orleans
  • Named the Best Lawyers® 2020 Employment Law - Individuals "Lawyer of the Year" in New Orleans
  • Named the Best Lawyers® 2017 and 2013 Litigation – Antitrust "Lawyer of the Year" in New Orleans
  • Named the Best Lawyers® 2016 Professional Malpractice Law – Defendants "Lawyer of the Year" in New Orleans
  • Listed in Louisiana Super Lawyers since 2007
  • Listed in Chambers USA as a leading Labor & Employment lawyer in Louisiana since 2013
  • Named to "Leadership in Law," New Orleans CityBusiness (2011)
  • Recognized as a "Top Lawyer" by New Orleans Magazine (2010 – 2016, 2018 – 2024) 
  • Listed among top 25 female attorneys in Louisiana by Louisiana Super Lawyers (2009)
  • Member – American Bar Association (Antitrust Section; Labor and Employment Law Section; Health Care Section)
  • Member – Louisiana State Bar Association; Council of Antitrust Section; Antitrust Section; Labor and Employment Law Section; Former Member of Louisiana Bar Journal Editorial Board and Client Protection Fund Committee
  • Member – New Orleans Bar Association (Past Board Member; Treasurer, 1994 – 1996)
  • Member – American Health Law Association
  • Member – Louisiana Hospital Association
  • Fellow – American Bar Foundation
  • Fellow – Louisiana Bar Foundation
  • Member – Federal Bar Association (Past President, 1996 – 1997, and Past Board Member of New Orleans Chapter)
  • AV® Preeminent™ Peer Review Rated by Martindale-Hubbell
  • Board Member – Tennessee Williams Literary Festival
  • Board Member – Federalist Society, New Orleans Chapter
  • Board Member/Treasurer – Louisiana Supreme Court Historical Society (2009 – 2012)
  • Planning Committee – Justice for All Ball (2010)
  • Past Board Member – Save Our Cemeteries
  • Past Board Member/President – Garden District Association
  • Past Board Member – Legal Aid Bureau (President, 1992 – 1994)
  • Co-presenter – "Win Employee Loyalty: Creating Satisfaction and Motivation," Baker Donelson Labor and Employment Seminar "A Winning To-Do List for Employers: Motivate, Manage and Minimize Risk" (June 2016)
  • Co-presenter – "The New DOL: Not Business as Usual," Baker Donelson Labor and Employment Seminar "Stay Out of Hot Water: Hot Topics and Best Practices in Employment Law" (July 2014)
  • Co-presenter – "Common Issues that Arise During the Employment Relationship: Employee Discipline, Avoiding Retaliation, and Wage and Hour Concerns," Baker Donelson Employment Law Seminar for Employers, New Orleans, Louisiana (May 2013)

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