Stacy Maione

Stacy Maione is a trial lawyer representing clients in complex, high-stakes litigation. Stacy’s clients include some of the nation’s largest and most sophisticated companies, including Walmart, Johnson & Johnson, and GSK. She has handled class actions, sprawling products liability litigation, and other complex cases with billions of dollars in alleged damages. 

For her plaintiff clients, Stacy has recovered awards and jury verdicts totaling more than $300 million. For her defendant clients, Stacy has achieved full defense wins in bet-the-company cases, with her opponents taking nothing. Stacy’s experience includes arguing motions to dismiss and other key issues in court, delivering opening statements, and directing and cross-examining witnesses.

Stacy teaches Advanced Trial Practice at her alma mater, Northwestern University Pritzker School of Law. As a law student at Northwestern, Stacy was Captain of the Bartlit Center Trial Team and won the American College of Trial Lawyers National Trial Competition, ranking her team first among more than 1,000 competitors from 140 law schools.

Born in Uzbekistan, Stacy hopes to help other first-generation lawyers pursue careers as trial lawyers. She runs the firm’s Fellowship and mentors law students through the LCLD Fellows Program. She is also a Board Member of the Coalition of Women’s Initiatives in Law, Chicago Chapter.

Representative Matters

Tempus Al, Inc. v. Guardant Health, Inc. (D.DE.)
Trial counsel for Tempus in Lanham Act case alleging that Guardant’s ads comparing the companies’ liquid biopsy assays are false and misleading. The case is currently pending in U.S. District Court for the District of Delaware.

In Re Zantac (Ranitidine) Products Liability Litigation
Trial counsel for GSK in multiple products liability cases across the country claiming that ranitidine, the active ingredient in the heartburn medication Zantac, causes cancer. Cases settled favorably shortly before trial.

Confidential Commercial Arbitration (AAA)
Trial counsel for financial firm in a breach of contract dispute relating to a $250 million patent infringement judgment. At the three-week arbitration hearing, delivered opening statement, directed expert witness, and cross-examined opposing expert witness. Tribunal ruled in favor of client on all claims, granted all damages sought, and denied Respondents’ counterclaim, leading to an award in excess of $75 million.

Align Technology v. SmileDirectClub, Supply Agreement Arbitration II
Served as trial counsel in Align’s successful defense against SmileDirectClub’s claims in an arbitration hearing. Cross-examined SmileDirectClub’s C-suite executive regarding SmileDirectClub’s claims for damages. The Arbitrator issued an award in favor of Align and rejected SmileDirectClub’s claims for damages.

Korea Advanced Institute of Science and Technology v. Paulina et al. (E.D. Wis.)
Counsel for defendant Paulina against a Korean research university alleging tortious interference and unjust enrichment related to patent litigation financing contracts. After briefing, the court granted Paulina’s motion to dismiss with prejudice, tossing out all claims against Paulina. Read coverage on Law360 here: Judge Tosses $203M Korean IP Litigation Funding Row. 

Valmarc Corporation v. Nike Inc. & Converse, Inc. (D. Or.)
Counsel for plaintiff Valmarc Corporation in a suit alleging that Nike and Converse misappropriated Valmarc’s trade secret anti-counterfeiting technology. The case settled after Valmarc defeated Nike’s motions for summary judgment. Read coverage on the case here: Nike Stole Anti-Counterfeiting Technology, Suit Says.

Wright Medical Technology, Inc. v. Paragon 28, Inc. (D. Colo.)
Counsel for plaintiff Wright Medical in a suit alleging that Paragon 28 infringed Wright’s patents and misappropriated Wright’s trade secrets related to its foot and ankle medical products. In November 2022, Paragon agreed to pay Wright Medical $26 million to settle the case and other pending claims.

Pringle v. Johnson & Johnson, Ethicon (S.D. Fl)
Trial counsel for defendants Johnson & Johnson and Ethicon in a lawsuit claiming injury from implantation of a pelvic mesh product. The case settled shortly before trial, after favorable motion in limine rulings for the defense.

Align v. 3Shape (D. Del.)
Counsel for Align in a patent infringement suit brought by 3Shape related to the technology in Align’s intraoral scanners. After one of 3Shape’s patents was dismissed from the case in 2020 and a second 3Shape patent was held unpatentable in an IPR, the parties entered a global settlement in early 2022.

Professional Activities and Community Service

Northwestern University Pritzker School of Law, Advanced Trial Practice (Spring 2024, Spring 2025)

Coalition of Women’s Initiatives in Law, Board Member (2025)

Northwestern University Pritzker School of Law, Contemporary Issues in Complex Litigation Conference, What Keeps Plaintiffs’ Lawyers, Defense Lawyers and In-house Counsel Lawyers Up at Night (March 2024)

Northwestern University Pritzker School of Law, Contemporary Issues in Complex Litigation Conference, Current Issues and Best Practices for MDL and Complex Litigation Trials (March 2023)

LCLD, Fellow and Mentor (2020-2025)