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Deborah L Feinstein

Arnold & Porter LLP | Law Offices of Deborah L Feinstein • Washington, DC
Antitrust Trade LawAntitrust & Trade Law Consumer Protection

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Contact

Email
Phone
(866) 970-5268
Address
555 Twelfth Street, Washington, DC, 20004-1206, US

Professional

About

Deborah L. Feinstein is a distinguished attorney based in Washington, D.C., specializing in Antitrust and Trade Law, as well as Consumer Protection. With over three decades of experience, she has built a formidable reputation as a trusted advisor in complex legal matters, representing clients across a diverse range of industries at both Arnold & Porter LLP and her own law office. A Harvard Law School graduate, Deborah earned her Juris Doctor (JD) in 1987, following her Bachelor of Arts (A.B.) degree from the University of California, Berkeley in 1983. Her academic foundation laid the groundwork for a career characterized by rigorous legal analysis and strategic advocacy. Throughout her tenure, Deborah has been recognized for her adept handling of intricate antitrust cases, ensuring compliance with regulatory frameworks while effectively protecting consumer interests. Deborah's expertise extends to litigating high-stakes trade law disputes and providing counsel on matters related to competition policy. Her deep understanding of the legal landscape allows her to navigate the complexities of both federal and state regulations, empowering clients to achieve their business objectives while mitigating legal risks. In addition to her practice, Deborah is actively involved in various professional organizations and frequently contributes to legal scholarship in her fields of expertise. Her commitment to excellence and client service has earned her the respect of peers and clients alike, making her a sought-after resource for businesses seeking guidance in Antitrust and Consumer Protection law. For individuals and organizations looking for unparalleled legal expertise in Washington, D.C., Deborah L. Feinstein stands out as a leading authority in her field.

About Antitrust Trade Law

Antitrust attorneys handle matters involving competition law, market practices, and trade regulations. They help businesses comply with antitrust laws and defend against claims. Common matters include price fixing, monopoly claims, merger review, trade practices.

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Credentials

Education
1987 Harvard University Law School JD - Juris Doctor 1983 University of California - Berkeley A.B.

Recognition & Involvement

Awards
2007 Best Lawyers in America, 2006 America’s Leading Business Lawyers, 2006 Leading Lawyer, 2005 America’s Leading Business Lawyers, 2004 Top 100 Women in Antitrust, Global Competition Review
Publications
2004 Issue of The Antitrust Source Merger Enforcement in Innovation Markets: The Latest Chapter--Genzyme/Novazyme 2004 Issue of Global Competition Review Fixing the Problem: Recent Developments in US Merger Remedies 2004 Issue of Antitrust Taking Stock: Recent Trends in U.S. Merger Enforcement
Updated: Apr 04, 2026