Mark Filip, P.C. - Partner

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Mark Filip, P.C.

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Phone: +1 312-862-2192
Fax: +1 312-862-2200
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Professional Profile

Mark Filip is a partner in Kirkland’s Chicago and Washington, D.C. offices. Mark leads the Firm’s government enforcement defense and internal investigations group, and he helps to lead the litigation department. He serves as one of 15 members of the Firm’s worldwide management committee.

Most of his white collar and regulatory representations are confidentially resolved without any adverse government enforcement action. His public representations include leading BP’s defense in the Justice Department’s criminal investigation resulting from the Deepwater Horizon oil rig explosion and oil spill in the Gulf of Mexico. He publicly represents a number of multi-national pharmaceutical, life sciences, and medical device manufacturers in civil and criminal investigations concerning products with annual sales in excess of $1 billion. Mark also leads internal investigations for a wide-array of clients, which involve their activities in numerous countries around the world. These clients include one of the largest multinational financial institutions in the world, as well as Fortune 500 companies involved in diverse industries—including financial services, mining, energy, defense contracting, agricultural production, heavy infrastructure, and risk-management and consulting.

On the civil side, Mark has an active class action defense practice. This includes, for example, a broad securities fraud defense practice for clients in a variety of industries, including health care, metals and mining, and defense contracting. Mark has also counseled clients in a variety of other class action settings, including the provision of insurance and healthcare services, as well as in products and fraud settings. Mark has extensive experience with the federal Multi-District Litigation (MDL) class-action process, and has variously served as both advocate and as federal judge over class action matters during his tenure as a federal judge in Chicago. He is also a fellow in the American College of Trial Lawyers.

Prior to joining Kirkland, Mark was at the U.S. Department of Justice, where he served as Deputy Attorney General of the United States after being unanimously confirmed by the U.S. Senate. As Deputy Attorney General, Mark was second-in-command of the Justice Department and oversaw all of its criminal and civil enforcement efforts. As Deputy Attorney General, Mark also represented the Department in interactions with Congress, the White House, and other cabinet-level Departments, as well as with numerous foreign governments throughout Europe, the Middle East, Asia, and South America. Mark also served as Acting Attorney General for the new administration after January 20, 2009, until Attorney General of the United States, Eric Holder, was confirmed.

Prior to serving as Deputy Attorney General, Mark spent four years as a federal judge in the U.S. District Court for the Northern District of Illinois after being confirmed 96-0 by the U.S. Senate. During his tenure as a judge in Chicago, Mark presided over a full docket of federal cases, including lawsuits concerning intellectual property rights, securities law, antitrust and other competition issues, health care law, and a wide variety of commercial law and property disputes. Mark also presided over numerous class action cases and served as a judge in multidistrict litigation (MDL) proceedings.

Mark also served as an Assistant U.S. Attorney in the United States Attorney’s Office for the Northern District of Illinois. From 1995 to 1999, he prosecuted a broad variety of criminal cases, including public corruption, financial fraud, and tax offenses. He argued and tried numerous cases to verdict before juries and also argued numerous cases in the court of appeals. In this position, he was the recipient of the U.S. Department of Justice’s Director’s Award for Superior Performance.

After law school, Mark clerked at the U.S. Court of Appeals for the D.C. Circuit, for the Honorable Stephen F. Williams. He then served as a law clerk to Justice Antonin Scalia at the U.S. Supreme Court.

Memberships & Affiliations

Appointed as member of U.S. Judicial Conference's Advisory Committee on Federal Criminal Rules

Chairman Emeritus, Board of Directors, University of Illinois Alumni Association

Member, Board of Visitors, Duke University School of Law

Member, Georgetown Law School, Strategic Planning Council

Other Distinctions

Recognized as being among the world’s leading investigations lawyers by Who’s Who Legal: Investigations 2018

Fellow, American College of Trial Lawyers

Honored by Martindale-Hubbell with the AV Preeminent™ award for The Highest Possible Ranking in Both Legal Ability & Ethical Standards, 2016

Recognized as a litigation star in the 2016 edition of Benchmark Litigation

Chambers USA (2015-2017) for Foreign Corrupt Practices Act

Chambers USA (2012-2017) for both Litigation: General Commercial and White-Collar Crime & Government Investigations

Chambers Global (2016-2017) for Foreign Corrupt Practices Act

Named the Best Lawyers® 2016 Litigation - Securities “Lawyer of the Year” and 2018 Criminal Defense - White-Collar “Lawyer of the Year”

Named to The Best Lawyers in America, U.S. News and World Report, Best Lawyers® for both Commercial Litigation and for Criminal Defense: White Collar, through anonymous peer recommendation and review process, 2011-2016

Listed as a “Leading Lawyer” in the area of General Commercial Litigation in The Legal 500 U.S. and recognized for White-Collar Criminal Defense, 2012-2017; for Energy Litigation in 2013; for Securities: Litigation - Defense, 2014-2017; for General Commercial Litigation in 2015-2017; and for Product Liability and Mass Tort Defense: Toxic Tort in 2015-2017.


Chicago Legal Aid Bureau's 2008 William H. Avery Award for Commitment to Pro Bono Legal Work and Public and Community Service

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