Atty. Ashley Barriere

Atty. Ashley Barriere

Ashley Barriere is a Partner at Keller Postman LLC. Ashley’s vast knowledge of product liability multi-district litigation combined with her AmLaw25 defense-side experience allows Ashley to effectively litigate against behemoth corporations on behalf of her clients.

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Profile Summary

About Ashley Barriere at a glance

Ashley Barriere is a class action and product liability attorney based in Chicago, Illinois, practicing at Keller Postman LLC. Educated at University of Pennsylvania (J.D., 2014). Recognitions include Best Lawyers in America — Mass Tort Litigation / Class Actions - Plaintiffs (2026) and Best Lawyers in America — Product Liability Litigation - Plaintiffs (2026). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Ashley Barriere is a Partner at Keller Postman LLC. Ashley’s vast knowledge of product liability multi-district litigation combined with her AmLaw25 defense-side experience allows Ashley to effectively litigate against behemoth corporations on behalf of her clients
  • At Keller Postman, Ashley focuses on significant product-liability matters
  • Ashley currently helps lead the firm’s litigation against the manufacturers and sellers of acetaminophen which causes autism spectrum disorder and/or attention-deficit/hyperactivity disorder when a child is exposed in utero
  • The Honorable Denise Cote, who presides over the federal consolidation of those cases In the Acetaminophen—ASD-ADHD Products Liability Litigation, MDL 3043 in the United States District Court for the Southern District of New York, appointed Ashley to serve on the Plaintiffs’ Executive Committee for that litigation where she leads the Law and Briefing Subcommittee
  • Ashley is honored to lead the litigation on behalf of children and their families who have unfairly suffered because mothers were not properly warned of the dangers associated with taking acetaminophen while pregnant
  • Ashley has additional, significant mass tort experience
  • She represents clients and briefs critical legal issues in the 3M Products Liability Litigation, MDL 2885
  • She has been involved in every facet of that litigation from fact discovery, to bellwether trials, to post-trial briefing
  • She served on a bellwether trial team that secured an $8 million verdict for the plaintiff
  • She is also a member of the court-appointed Plaintiffs’ Steering Committee in the Onglyza and Kombiglyze XR MDL, MDL 2809, where she chairs the Law and Briefing Subcommittee
  • Ashley has also been formally recognized for her exceptional work
  • She has been named a 2023 Best Lawyers: Ones to Watch in America
  • For three years, she was also the Mayor’s Appointee to the Quality Assurance Review Committee for the New Orleans Inspector General
  • Before joining Keller Postman, Ashley was a litigation associate at Davis Polk & Wardwell LLP, where she litigated critical bankruptcy cases and played a role in significant white-collar investigations
  • Ashley then joined Huber Thomas & Marcelle LLP, where she gained critical courtroom experience
  • She represented plaintiffs and defendants at the trial and appellate levels in state and federal litigation, as well as creditors and debtors in complex bankruptcies
  • Ashley also served as a law clerk for Judge Eldon E. Fallon at the U.S
  • District Court for the Eastern District of Louisiana
  • Ashley became inspired to join the plaintiffs’ side because of Judge Fallon’s trailblazing work overseeing large multi-district litigation matters
  • At the time of her clerkship, Judge Fallon presided over the Chinese Drywall Products Liability MDL, Vioxx Products Liability MDL, and the Xarelto Products Liability MDL, where she had the opportunity to learn the ins and outs of the MDL world
  • She applies those early lessons to her work today, always striving to reach the peak level of excellence and over-emphasizing preparation
  • Ashley currently serves as a Board Member of the Young Lawyers Division for the Federal Bar Association (New Orleans chapter) and is also the Vice President for the Association for Women Attorneys
  • Ashley graduated from the University of Pennsylvania Carey Law School
  • Ashley also earned her undergraduate degree from the University of Pennsylvania where she graduated magna cum laude and received the Lynn M. Case Prize for best European history thesis

Practice Areas Explained

Ashley Barriere's Areas of Practice

Each practice area below reflects the types of cases Ashley Barriere handles, with a brief overview of what that area of law covers.

Class Action

Ashley Barriere is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Illinois →

Product Liability

Ashley Barriere is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Illinois →

Jurisdictional Context

Why local counsel matters in Illinois

Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.

Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Ashley Barriere

Where is Ashley Barriere's law office located?
Ashley Barriere's law practice is located in Chicago, Illinois. The firm is Keller Postman LLC. You can contact the office directly through this profile page.
What practice areas does Ashley Barriere handle?
Ashley Barriere focuses on class action, product liability. Each practice area listed reflects experience handling cases of that type in Illinois.
Where did Ashley Barriere go to law school?
Ashley Barriere earned their education at (J.D., 2014).
How can I contact Ashley Barriere for a consultation?
You can contact Ashley Barriere directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Ashley Barriere received?
Ashley Barriere's notable recognition includes: Best Lawyers in America — Mass Tort Litigation / Class Actions - Plaintiffs; Best Lawyers in America — Product Liability Litigation - Plaintiffs.

Education

J.D.
University of Pennsylvania
- 2014

Awards

Best Lawyers in America — Mass Tort Litigation / Class Actions - Plaintiffs
- 2026
Best Lawyers in America — Product Liability Litigation - Plaintiffs
- 2026

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