Leslie John > Ballard Spahr LLP > Philadelphia, United States > Lawyer Profile
Ballard Spahr LLP Offices
1735 MARKET STREET, 51ST FLOOR
PHILADELPHIA, PA 19103-7599
PENNSYLVANIA
United States
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Leslie John

Work Department
Litigation
Position
Partner, Practice Leader of Ballard Spahr’s Antitrust and Competition Group, and Co-Leader of its False Advertising Litigation Team
Career
Leslie E. John is the Practice Leader of Ballard Spahr’s Antitrust and Competition Group and Co-Leader of its False Advertising Litigation Team. Leslie concentrates on antitrust and complex litigation, and she has represented clients—many of them in the pharmaceutical and health care industries—in federal and state courts and before the U.S. Department of Justice and Federal Trade Commission. She also advises on antitrust issues in mergers and acquisitions, including securing pre-merger clearance under the Hart-Scott-Rodino Act, and counsels clients on antitrust compliance and risk management.
Admissions
California
Pennsylvania
U.S. Supreme Court
Memberships
Philadelphia Bar Foundation, President, 2019-present; Vice President, 2007-2018; Board of Trustees, 2010-present; Secretary, 2013-2016; Co-Chair, 50th Anniversary Gala
Philadelphia Diversity Law Group, Co-President, 2019-present; Vice President, 2016-2018; Board of Directors, 2011-present
Forum of Executive Women, 2017-present
WOMEN’S WAY (nation’s oldest women’s funding federation), General Counsel, 2007-present
Ballard Spahr’s Diversity, Equity, and Inclusion Council, Member
Education
University of California, Berkeley, School of Law (J.D. 1987)
Associate Editor, California Law Review
Member, Moot Court Board
University of California, Berkeley (A.B., summa cum laude, 1984)
Lawyer Rankings
United States > Antitrust > Civil litigation/class actions: defense
Monopolization and conspiracy cases form the core of Ballard Spahr LLP‘s antitrust group, which represents clients on both side of the aisle. Leslie John, who has a particular focus on the pharmaceutical and health care industries, leads the practice from Philadelphia, where Jason Leckerman and Stephen Kastenberg are further key members of the team. In New York, James Mitchell is specialized in the securities industry, while Philadelphia-based Edward Rogers handles cases relating to monopolization and conspiracy claims. Denise Plunkett left the firm in January 2021.
Lawyer Rankings
Top Tier Firm Rankings
Firm Rankings
- Real estate > Land use/zoning
- M&A/corporate and commercial > M&A: middle-market (sub-$500m)
- Finance > Restructuring (including bankruptcy): municipal
- Labor and employment > Employee benefits, executive compensation and retirement plans: design
- Industry focus > Energy: renewable/alternative power
- Media, technology and telecoms > Fintech
- Labor and employment > Labor-management relations
- Dispute resolution > Product liability, mass tort and class action - defense: automotive/transport
- Real estate > Real estate investment trusts (REITs)
- Dispute resolution > Financial services litigation
- Media, technology and telecoms > Media and entertainment: litigation
- Real estate > Real estate
- Real estate > Real estate finance
- Antitrust > Civil litigation/class actions: defense
- Finance > Financial services regulation
- Dispute resolution > Securities litigation: defense
- Dispute resolution > Corporate investigations and white-collar criminal defense
- Finance > Project finance