Areas of Practice
  • Tulane University Law School, J.D., 1979
  • George Washington University, B.A., 1976, cum laude
Bar Admissions
  • Louisiana, 1980
Court Admissions
  • U.S. Supreme Court, 2000
  • 5th Cir., 1980
  • E.D. La., 1980
  • M.D. La., 1980
  • W.D. La., 1987
Joseph Lowenthal, Jr.
201 St. Charles Ave
New Orleans, LA 70170-5100
504.582.8240 tel
504.589.8197 fax

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Joe Lowenthal is a partner in the firm's Business & Commercial Litigation Practice Group. He has extensive experience advising and litigating for a variety of clients in commercial litigation primarily in the fields of healthcare, insurance coverage, contracts, and environmental and toxic torts.

Mr. Lowenthal's representative matters include litigation on behalf of a managed care service organization in multiple federal and state district courts across the United States, with responsibility for managing and coordinating the national defense for the managed service organization.

He also was actively involved in first-party insurance recovery for property damage and business income losses caused by Hurricane Katrina with the value of the claims in excess of half of billion.


  • Listed in The Best Lawyers in America® 2019 (Copyright 2018 by Woodward/White, Inc., Aiken, SC) in the area of Commercial Litigation (listed annually since 2010)
  • Listed in the 2007 edition of Louisiana Super Lawyers in the area of Health Care
  • AV Preeminent® Peer Review Rating in Martindale-Hubbell
  • Listed in New Orleans Magazine's 2009 "Top Lawyers" in the area of Insurance Banking

Representative Matters

  • Represented a medical device manufacturer in products liability litigation in Louisiana State Court.
  • In re Chinese Manufactured Drywall Products Liability MDL: Represented comprehensive general liability insurer regarding coverage advices for third-party claims.
  • Michelle Marshall, et al v. AirLiquide, et al: Served as insurance coverage counsel for insurer in environmental class action.
  • Represented a major educational institution in litigation over coverage for its property damage and business interruption losses sustained in Hurricane Katrina.
  • Represented a major educational institution in a first-party property damage and business interruption claim arising out of Hurricane Katrina.
  • Represented the university in errors and omissions claim against insurance broker.
  • Represented the college for recovery of property damages and business income losses arising out of Hurricane Katrina.
  • Represented a drug product manufacturer in a wrongful death action resulting in a defense verdict.
  • Represented a major national retailer in federal and state litigation in Louisiana for claims alleging improper discounting of medical bills.
  • Putative class action involving allegations of violations of the Louisiana Physician Provider Organization (PPO) Act.
  • Putative class action against a healthcare entity regarding billing.




  • American Bar Association
  • American Health Lawyers Association
  • American Inns of Court
  • Bar Association of the Fifth Federal Circuit
  • Defense Research Institute
  • Louisiana Association of Defense Counsel
  • Louisiana State Bar Association
  • National Association of College and University Attorneys
  • New Orleans Association of Defense Counsel (Past President)
  • New Orleans Bar Association
  • New Orleans City Planning Committee (Former Member)