Jaclyn is a partner in the Litigation Department and a member of the Antitrust practice. She has significant experience representing clients across industries through all stages of large-scale antitrust litigations and regulatory investigations brought by U.S. and international authorities.
Jaclyn brings a nuanced understanding of complex antitrust matters, along with the regulatory frameworks and business dynamics that influence competition disputes. She advises clients across diverse sectors, including pharmaceuticals, technology, food and beverage, technology and aviation, offering strategic guidance on a wide spectrum of competition-related matters. Jaclyn has successfully defended leading corporations in multidistrict and class action litigation, particularly in cases alleging anticompetitive conduct involving patent settlements and other market exclusion strategies. Her appellate advocacy has led to significant victories that have helped frame antitrust and constitutional law, including on class certification standards.
Jaclyn is a recognized thought leader on timely and developing antitrust issues. She is a frequent host of the ABA Antitrust Law Section's podcast “Our Curious Amalgam”, where she leads discussions with renowned guests on cutting edge issues.
Jaclyn is deeply committed to pro bono work, with a particular emphasis on immigration advocacy. She has successfully represented individuals seeking asylum in the United States, reflecting her dedication to justice and community service.
Education
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Georgetown University Law Center, J.D.
cum laude
Articles & Notes Editor, American Criminal Law Review
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Binghamton University, B.A.
summa cum laude
Admissions & Qualifications
- District of Columbia
- New York
Court Admissions
- U.S. District Court, New York, Eastern District
- U.S. District Court, New York, Southern District
- U.S. Court of Appeals, District of Columbia
- U.S. Court of Appeals, Fourth Circuit
Memberships
American Bar Association, Antitrust Law Section, Vice Chair of the Podcast Programming Administrative Committee
Member of the Fellows for the American Bar Foundation
Awards & Recognition
Euromoney’s Women in Business Law Awards, Rising Star in Litigation Winner 2025
Euromoney’s Women in Business Law Awards, Shortlisted as a Rising Star in Litigation 2023–2024
Euromoney’s Women in Business Law Awards, Shortlisted as Thought Leader of the Year 2024
Best Lawyers: Ones to Watch in America™ 2023-2024
The Legal500 US: Antitrust Civil Litigations/Class Actions: Defense 2023–2025
Global Competition Review, "Litigator of the Week" for securing reversal of class certification in the Asacol® product-hopping litigation
Matters
Representative Matters*
- Represented the National Association of REALTORS® as coordinating counsel for antitrust matters.
- Represented Hikma Pharmaceuticals against so-called "reverse payment" allegations relating to Jazz Pharmaceuticals' landmark drug brought in N.D. Cal. and California state court.
- Represented Gilead in complex antitrust class actions brought in N.D. Cal. concerning numerous innovative HIV treatments and related joint venture agreements and patent settlements.
- Represented Pfizer in ground-breaking litigation challenging Johnson & Johnson's efforts to deter biosimilar competition in respect of its blockbuster biologic, Remicade.
- Represented an airline in a class action alleging violations of Section 1 of the Sherman Act and state law, resulting in a successful motion to dismiss in the District of Maryland.
- Represented Allergan/Warner Chilcott in a reversal of class certification by the First Circuit US Court of Appeals.
- Represented Boehringer Ingelheim in an antitrust class action challenging a patent settlement.
- Represented Allergan/Warner Chilcott in a number of antitrust class actions involving challenges to new-product introductions, patent settlements, and license agreements.
- Key member of trial team that represented Anthem, Inc. against claims brought by the US Department of Justice to block Anthem's US$54 billion acquisition of Cigna Corporation.
- Key member of a number of appellate teams that represented clients in the First, Second, Third, and D.C. Circuits.
*Aforementioned matters handled at prior firm