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Ally L. Duplechain

Flanagan Partners LLP
201 St. Charles Ave., Suite 3300

New Orleans, LA 70170

(504) 569-0235 (Main)
(504) 569-0268

(504) 592-0251 (Fax)


Ally Duplechain graduated magna cum laude and Order of the Coif from Tulane University Law School in 2020, where she focused her studies on Louisiana’s civil law and earned a Civil Law certificate. While at Tulane, Ms. Duplechain served as a managing editor of the Tulane Law Review and as a senior fellow for the first year legal research and writing course. She tutored first year students though the Academic Support Program and, outside of school, served as an extern for Judge Susie Morgan of the United States District Court for the Eastern District of Louisiana. Prior to law school, Ms. Duplechain earned a B.S. in Psychology at Louisiana State University in 2017. She practices in the areas of commercial litigation and civil appeals.




  • The Truth Behind "Truth in Advertising" Laws: A Constitutional Analysis of Louisiana's Restrictions on Physician Advertising, 94 Tul. L. Rev. Online 29 (2020).


Professional Affiliations


  • Member, Louisiana State Bar Association

  • Member, New Orleans Bar Association

  • Member, Federal Bar Association

  • Junior Member, Louisiana State Law Institute (2021)



  • Louisiana (2020)

  • U.S. District Court, Eastern District of Louisiana (2021)

  • U.S. District Court, Western District of Louisiana (2021)

  • U.S. District Court, Middle District of Louisiana (2021)

News and Recognitions

  • Best Lawyers in America: Ones to Watch® (2024)


Tulane University Law School, J.D., 2020, magna cum laude

  • Order of the Coif

  • Certificate in Civil Law

  • Managing Editor, Tulane Law Review

  • Legal Research and Writing Senior Fellow


Louisiana State University, B.S., 2017

Judicial Externship

  • Hon. Susie Morgan, United States District Court for the Eastern District of Louisiana

Areas of Practice

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