Antitrust lawyers

Jean-Maxime Blutel

Partner

Mayer Brown

Jeanifer Parsigian

Winston Taylor

Jeff Jaeckel

Jeff Jaeckel | Morrison Foerster Jeff has notable experience representing public and private corporations in connection with their most significant and complicated antitrust litigation in federal and state courts. He regularly represents clients in all antitrust aspects of complicated transactional matters, including strategy and structuring of transactions to avoid antitrust risk and achieve strategic business objectives, and U.S. and multinational merger notification and review. Jeff also represents domestic and international companies in connection with government investigations of conduct, including civil investigations relating to monopolization or criminal investigations of alleged price-fixing. Jeff also assists clients in the protection of their intellectual property and counsels clients on the antitrust ramifications of commercial agreements to capitalize on the value of intellectual property. Jeff represents clients across a range of industries, including pharmaceuticals and medical devices, semiconductors, software, Internet services, transportation, consumer products, telecommunications, and media and entertainment. In addition to his active practice, Jeff is Morrison Foerster’s Vice Chair. Jeff formerly served as co-chair of Morrison Foerster’s Global Antitrust Law Practice Group and as a member of the firm’s Board of Directors, and co-chair of the firm’s eDiscovery Task Force. Jeff serves as an associate editor of the Antitrust Magazine of the American Bar Association Antitrust Section. He graduated with honors and was a member of Omicron Delta Epsilon, the international honor society in Economics. He was a writing staff member for the Wisconsin Environmental Law Journal, and was elected to Order of the Coif.

Morrison Foerster

Jeff White

Weil, Gotshal & Manges LLP

Jeffrey Amato

Winston Taylor

Jeffrey Ayer

Jeff is a partner in the Washington, D.C., office of Kirkland & Ellis LLP. Jeff’s practice focuses on a wide range of antitrust matters, including securing antitrust clearance for complex transactions, antitrust litigation, antitrust counseling and government investigations.

Kirkland & Ellis LLP

Jeffrey Cashdan

Partner

King & Spalding

Jeffrey Cohen

Shareholder Board of Directors Member Sports Law Industry Group Lead

Flaster Greenberg PC

Jeffrey Knox

Jeff Knox, former head of the U.S. DOJ Fraud Section, is Co-Managing Partner of Simpson Thacher’s Washington, D.C. office and Global Co-Head of the Firm’s Government and Internal Investigations Practice. He represents multinational corporations and independent board committees in high-stakes investigations by the DOJ, SEC, State Attorneys General, and other federal and state enforcement regulators. He has advised some of the world’s leading companies in the financial services, private equity, energy, life sciences, technology and cryptocurrency industries in navigating criminal and civil investigations relating to the to the federal securities and commodities laws, anti-corruption and anti-money laundering statutes, the False Claims Act, antitrust laws, and economic sanctions and other trade control regulations. Jeff also represents senior executives and government officials who are subjects of enforcement investigations. Jeff represents companies subject to government and court-mandated monitorships, and has served as a government-appointed independent compliance consultant. Prior to joining the Firm, Jeff served as a federal prosecutor for more than a decade, including as the Chief of the DOJ’s Fraud Section in Washington, D.C., and before then, as the Chief of the National Security Section of the U.S. Attorney’s Office for the Eastern District of New York.

Simpson Thacher & Bartlett LLP

Jeffrey Lamken

Jeffrey Lamken, a nationally recognized appellate practitioner, has argued 27 cases before the U.S. Supreme Court and briefed dozens more on a wide range of topics, including administrative law, antitrust, bankruptcy, civil rights, criminal procedure, energy, intellectual property, searches and seizures, separation of powers, and telecommunications. He has handled matters in virtually all of the federal courts of appeals. He possesses particularly deep expertise in the specialized Federal Circuit. Mr. Lamken also develops, briefs, and argues critical motions in trial matters.

MoloLamken LLP

Jeffrey Martino

Jeff Martino brings an in-depth understanding of a wide variety of white collar and fraud related matters to his antitrust litigation and investigations practice. Jeff is co-lead of the Firm's Global Cartel Task Force and represents multinational corporations and their boards and executives in high-stakes criminal and civil investigations by the US Department of Justice (DOJ) and other federal and state agencies. Jeff draws upon his extensive criminal investigations, litigation, and enforcement experience to advise clients through sensitive matters pertaining to international cartel actions and white collar investigations. Prior to joining Baker McKenzie, Jeff spent nearly two decades at the DOJ and his last five years as Chief of DOJ Antitrust Division's New York Office. He has extensive experience as "first chair" on trials and investigations in the most complex areas of criminal antitrust and market manipulation. Jeff's work at the DOJ included providing technical assistance to competition agencies in Asia, Africa, the Americas and Europe and overseeing matters that included international corruption and antitrust cartel offenses that entangled the largest global banks and their key executives.

Baker McKenzie

Jeffrey Oliver

Partner

Baker Botts L.L.P.

Jeffrey Perry

Co-Chair of Weil’s US antitrust practice

Weil, Gotshal & Manges LLP

Jeffrey Russell

Senior Counsel - Litigation and Investigations

Bryan Cave Leighton Paisner

Jeffrey Spigel

Partner

King & Spalding

Jeffrey Zeiger

Jeffrey Zeiger is a trial lawyer in Kirkland’s Chicago office. He has extensive experience litigating complex commercial cases in federal and state trial and appellate courts throughout the United States, including antitrust, contract, energy, environmental, fiduciary duty, foreign judgment enforcement, fraudulent transfer, products liability, royalty, restructuring, and securities fraud cases.

Kirkland & Ellis LLP

Jennifer L. Giordano

Jennifer Giordano, a preeminent antitrust trial lawyer, defends market-leading companies in cutting-edge antitrust matters in courts across the country. Jenn draws on more than two decades of experience to advise clients on their highest stakes antitrust matters. She achieves exceptional results at all stages of litigation — routinely defeating class certification or securing victories in dispositive motion practice, as well as at trial and on appeal, when necessary. She excels at handling sprawling multidistrict litigation, class actions, and strategic B2B litigation on claims relating to: Monopoly and monopsony Price fixing and price discrimination Tying State law unfair competition claims Jenn represents clients across industries that are facing claims at the forefront of the evolving body of antitrust law. She persuasively crafts strategies for clients that help protect their core business model. Jenn maintains an active pro bono practice, including representing Washington, D.C. nonprofits, such as the Children’s Law Center, in impact litigation.

Latham & Watkins

Jennifer Levy

Jenny Levy is a litigation partner who has been with Kirkland for 23 years. She has appeared before trial courts and arbitration panels across the country. Jenny focuses on complex commercial litigation, state Attorney General litigation and investigations, pharmaceutical litigation, and product liability cases. She has litigated a wide variety of cases including consumer protection actions, public nuisance claims, allegations of fraud and misrepresentation, data breaches, breach of contract, business torts, product liability, antitrust, false claims qui tam actions, and class actions. Her practice has involved a diverse array of subject matters and allegations including Public Nuisance, Medicaid/Medicare fraud, drug pricing fraud and unfair competition (AWP/WAC inflation), HIPAA, HITECH violations, contracts for the sale of energy, state and federal Fair Debt Collection Act violations, collection contracts for the sale of businesses and stock purchase agreements, alleged violations of shareholder agreements, international licensing agreements, allegations of unlawful insurance practices, conspiracy and antitrust violations, and numerous product liability cases on behalf of manufacturers of automotive products, lead products, tobacco and pharmaceuticals. Jenny is a pro bono coordinator for Kirkland’s Washington, D.C. office.

Kirkland & Ellis LLP

Jennifer Mammen

Counsel - Litigation and Investigations

Bryan Cave Leighton Paisner

Jennifer Milici

Partner Vice Chair, Antitrust and Competition Practice

WilmerHale

Jennifer Roach

Jen has over 20 years of experience helping clients resolve complex product distribution and supply chain problems. Her experience includes drafting, negotiating and litigating contractual arrangements among manufacturers, suppliers, distributors and dealers. She works with clients to formulate distribution strategies and draft agreements to meet their needs in the United States and internationally. Jen also advises clients and provides training on antitrust issues relating to product distribution, including product pricing programs, communications with competitors and customers, and vertical restraints. Jen has trial experience in both federal and state courts in matters relating to product distribution, antitrust, dealer termination and supply chain issues as well as cases involving unfair competition, false advertising and trade secret claims.

Thompson Hine LLP

Jens-Olrik Murach

As a distinguished antitrust lawyer with more than two decades of dedicated practice in Brussels and Germany, Jens has earned a reputation for providing pragmatic and invaluable legal counsel to his clients worldwide. His practice covers the complete range of EU and German antitrust matters across a wide spectrum of industry sectors. Jens also has significant experience handling foreign direct investment screening and EU foreign subsidies matters. Jens has advised on many complex and high-stakes merger control matters, both before the European Commission and the German Federal Cartel Office. His broad experience includes significant transatlantic deals, and he also has strong experience in managing global merger control investigations in virtually every part of the world. Jens has represented multiple companies in cartel and monopolization investigations, including handling leniency applications, settlement negotiations, and appeals. He also has significant experience advising on vertical distribution matters and represents clients in commercial and administrative antitrust litigation.

Alston & Bird LLP

Jeny Maier

Axinn Managing Partner

Axinn Veltrop & Harkrider

Jeremy Andersen

Quinn Emanuel Urquhart & Sullivan, LLP