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New Hampshire Joins Data Protection Trend, Passes Comprehensive Data Protection Law
  1. People

Olivia Sullivan

She / Her / Hers

Senior Managing Associate
Chicago
T.
312.624.6415
liamE

Olivia is a dynamic litigator who thrives in high-stakes, contentious disputes. Her practice focuses on complex commercial litigation in federal and state courts nationwide, where she is known for her assertive advocacy, creative strategy and ability to turn pressure into results.

Olivia has represented clients in a broad range of disputes, including breach of contract, trade secret misappropriation, internal investigations and class actions. She also defends statutory privacy claims under the Telephone Consumer Protection Act and Biometric Information Privacy Act. With a strong focus on defamation law, she represents tech companies, high-profile individuals and major corporations in all phases of defamation disputes—from cease-and-desist and retraction demands to full-scale litigation. Olivia is currently part of the team representing a voting machine company in multiple lawsuits arising from false statements made after the 2020 U.S. Presidential election, including a $2.7 billion defamation case against Fox News.

As a former public speaking coach and captain of her college debate team, Olivia brings exceptional communication skills to every case she handles. She thrives in the courtroom and during oral arguments, where her clarity, precision and persuasive style set her apart. In her representation of a Fortune 100 technology company, Olivia successfully persuaded a judge to change his tentative ruling on several motions in limine on the eve of trial.  

A committed advocate beyond her commercial work, Olivia maintains an active pro bono practice. She has represented clients in death penalty appeals, Section 1983 civil rights cases, guardianship matters and small claims actions. In 2020, she helped secure a temporary restraining order on behalf of detainees at the Adelanto ICE facility in the Central District of California—a victory that earned her recognition from the ACLU.

Olivia is a founder of Benesch’s Pro Bono Committee and is part of the firm’s Women’s Initiative. She also sits on the Emerging Leaders Council for the Legal Services Corporation and teaches as an adjunct professor in Loyola University Chicago School of Law’s Moot Court program.

*Matter completed prior to joining Benesch.

Notable Representative Experience:

  • Advised a global technology company in connection with negative press by international news outlets. Secured retractions from a number of journalists and government officials and successfully prevented a segment from airing on a major news network within a matter of hours, which contained negative statements and falsehoods about the client.
  • Represented and obtained a favorable settlement for a global voting machine company against a news outlet in a contentious and high-profile defamation case.
  • Represented Fortune 100 technology company in trade secrets lawsuit in California state court involving enterprise collaboration software brought by former potential vendor seeking in excess of $50 million dollars in damages. Helped obtain favorable settlement for a fraction of that amount on the eve of trial.
  • Represented e2 Companies in high-profile Delaware Chancery Court litigation involving a contested deSPAC transaction with Nabors Energy Transition Corp. II. Benesch secured a favorable settlement including a cash payment and termination of the merger agreement, allowing e2 to exit the transaction and remain privately held—a rare outcome in “busted M&A” disputes.
  • Represented major healthcare system in seeking to recover millions of dollars in errant payments made to a former and now defunct vendor. Successfully brought unjust enrichment, fraudulent transfer, and piercing the corporate veil claims resulting in a favorable settlement with one party and a multi-million dollar judgment against the remaining parties.
  • Represented a major food delivery technology platform in disputes and arbitrations with merchants, consumers, contractors, and partners.
  • Represented a Fortune 500 automotive company in a criminal investigation for violations of the Clean Air Act.*
  • Litigation
  • Commercial Litigation & Disputes
  • Consumer Protection & Class Actions
  • Crisis Management & Strategic Response
  • Securities & Commodities Litigation
  • Trade Secrets Litigation
  • Loyola University Chicago School of Law, 2018, J.D.
    • magna cum laude
    • Executive Editor, Conference Management, Loyola University Chicago Law Journal
    • Philip C. Jessup International Law Moot Court
    • Wing Tat Lee International Law Fellow
    • Women’s Bar Foundation Scholar
  • Wichita State University, 2015, B.S. in Political Science and History
    • Student Body President
  • Illinois
  • U.S. District Court for the Northern District of Illinois
  • Listed, The Best Lawyers®, Ones to Watch, Commercial Litigation, 2026

  • 2020 Access to Justice Awards, ACLU of Southern California 

Highlights

Articles and Presentations
February 22, 2019
INSIGHT: The Misunderstood Damages Defense to Class Certification | Olivia Sullivan
News
August 21, 2025
129 Benesch Attorneys Recognized in 2026 Best Lawyers® Rankings
December 12, 2023
J. Erik Connolly, Nicole E. Wrigley, Kate Harmon, Caitlin Kovacs and Olivia Elizabeth Sullivan mentioned in Law360 article | "DC Magistrate Judge Rejects Recusal Bid In Smartmatic Case"
August 25, 2023
Olivia Sullivan mentioned in Law360 Article | "Smartmatic Blasts OAN's Recusal Bid In Defamation Suit"

View all

Beyond the Office
Hobbies

In her free time, Olivia enjoys boxing, going to museums, hanging out with her corgi, and telling people about the best new restaurant in Chicago she has just been to.

Favorite Quote

“I am going to have it”
-Carolyn Forché

Favorite Book

My Friends by Fredrik Backman

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