Mr Mark Filip > Kirkland & Ellis LLP > Chicago, United States > Lawyer Profile

Kirkland & Ellis LLP
United States


Mark represents some of the largest financial institutions and Fortune 500 companies in varied industries in complex civil litigation (including MDL and class action cases), criminal matters, internal investigations, and corporate integrity matters. He has extensive experience in court and advising boards of directors. Mark is also a member of the Kirkland Executive Management Committee.


Served as Deputy U.S. Attorney General (No. 2 position at the U.S. Justice Department) and as a U.S. District Judge in Chicago. Unanimously confirmed by the U.S. Senate for both positions. Served as a law clerk to Justice Antonin Scalia, U.S. Supreme Court (1993-1994).


Fellow, American College of Trial Lawyers.


Harvard Law School, J.D., magna cum laude, 1992;

University of Oxford, M.A. in Law, Marshall Scholarship, First Class Honors, 1990;

University of Illinois, B.A.s in Economics and History, summa cum laude, 1988.

Lawyer Rankings

United States > Dispute resolution > Corporate investigations and white-collar criminal defense

(Leading lawyers: Corporate investigations and white-collar criminal defense: advice to corporates)

Mark FilipKirkland & Ellis LLP

The ‘diverse and very intelligent and experienced’ team at Kirkland & Ellis LLP has a wealth of experience in dealing with high-profile investigations by enforcement authorities for both individuals and corporate clients. On the individual’s side, the firm has considerable experience in representing senior executives in House and Senate inquiries. Practice heads Mark Filip and Asheesh Goel work across the Washington DC and Chicago offices, and oversee a team which includes former DOJ, SEC and FTC attorneys. Filip is recommend for enforcement defense and internal investigations, while Goel is recommended for securities enforcement, FCPA matters, economic sanctions and money laundering matters. Brigham Cannon handles white-collar and regulatory defense, and also compliance matters. In September 2021, the team was strengthened with the arrival of Nader Salehi from Sidley Austin LLP and Kyle DeYoung from Cadwalader, Wickersham & Taft LLP; and in Dallas with the joining of Erin Nealy Cox. Erica Williams left for an in-house role at the Public Company Accounting Oversight Board (PCAOB) in early 2022. Named attorneys are based in Washington DC unless otherwise stated.

United States > Dispute resolution > General commercial disputes

(Leading lawyers)

Mark FilipKirkland & Ellis LLP

Kirkland & Ellis LLP ‘brings an almost unique set of strengths and resources to address complex, high-stakes commercial litigation.’ The practice is noted for its breadth, with expertise in civil trials, congressional inquiries, securities litigation, class action claims and government investigations, among others. Defendants and plaintiffs alike approach the group for legal support in crises. The New York-based Sandra Goldstein is noted for her expertise in fraud class actions, securities and commercial disputes. Mark Filip, who divides his time between Chicago and Washington DC, has a strong track record for civil cases: he is for instance acting for Allergan in the Opioids litigation. James Hurst‘s broad practice spans patent, products liability, trade secret, criminal, antitrust, and contract matters, and Andrew Kassof has know-how in trying cases; both are based in Chicago. New York’s Aaron Marks is well versed in acting for financial institutions. Other prominent practitioners are Richard Godfrey and Diana Watral in Chicago, as well as Craig Primis in Washington DC.

United States > Dispute resolution > Securities litigation: defense

(Leading lawyers)

Mark FilipKirkland & Ellis LLP

Kirkland & Ellis LLP consolidated its status as a leading securities litigation firm in 2021, with a string of victories and a strong pipeline of new mandates across the full spectrum of 10(b) stock drop and IPO-related class actions, M&A and proxy-related disputes, shareholder derivative suits, structured finance litigation, books and records demands, and litigation demands on boards. Sandra Goldstein in New York and Mark Filip in Chicago are among the firm’s standout practitioners. Acknowledged securities litigation expert Goldstein acted for 3G Capital, a major shareholder in Kraft Heinz, in class actions and derivative cases concerning a $15.4bn write-down of Kraft Heinz’s assets and the disclosure of an SEC investigation into the company’s accounting policies, procedures and controls. Stefan Atkinson in New York is heavily involved in cases involving special purpose acquisition companies. Joshua Rabinovitz in Washington DC ‘told us exactly what to expect from the representation, and what to expect as the case proceeded, including all the various permutations it might take, so we were always prepared’, remarks one client.

United States > Dispute resolution > Financial services litigation

At Kirkland & Ellis LLP, the financial services litigation practice handles a range of complex disputes in the area, from market manipulation and fraud investigations to litigation related to M&A. The team represents clients facing investigations across consumer finance, securities and derivatives, with experience in cases involving the SEC, CFTC, DOJ and CFPB. The practice’s governmental relations expertise is further demonstrated by its recent work for a number of CEOs of prominent banks in helping them to prepare for congressional oversight hearings. Mark Filip is a former federal judge and offers deep experience in defending clients in government enforcement proceedings, while Sandra Goldstein and Zachary Brez are noted for their work in securities and M&A litigation. Goldstein and Brez are based in New York, while Filip works across the Chicago and Washington DC offices; Reginald Brown is another name to note in DC and further bolsters the firm’s expertise in regulatory enforcement proceedings.