Juan A. Arteaga

Partner

Overview

When faced with high risk and sensitive antitrust investigations and litigation, companies, boards of directors, and executives turn to Juan for strategic advice and effective advocacy. As a former Deputy Assistant Attorney General in the U.S. Department of Justice Antitrust Division, Juan has successfully guided clients in various industries through a broad range of civil (both merger and conduct) and criminal antitrust investigations conducted by the DOJ, Federal Trade Commission, and State Attorneys General. As a Chambers-ranked litigator, Juan has successfully defended leading corporations, executives, and directors in government enforcement actions and “bet the company” private antitrust litigation, including class actions and multidistrict litigation.

Juan’s recent successes for clients in high stakes matters include:

  • Securing summary judgment for CSX Transportation in two long-running multidistrict litigations seeking billions in damages for an alleged price fixing conspiracy
  • Obtaining dismissal of a putative class action against Princeton University alleging that the Ivy League Athletic Conference and its members schools unlawfully conspired to ban athletic scholarships
  • Persuading the DOJ to close a grand jury bid rigging investigation without bringing criminal charges or an enforcement action against a government contractor
  • Successfully preparing Samsung and Mozilla executives and employees to testify live during the liability and remedies trials in the DOJ and State Attorneys General landmark online search engine monopolization case against Google

Juan – who serves as the chair of the firm’s New York Antitrust Practice – is widely regarded as a trusted advisor and accomplished antitrust lawyer.  As noted by Chambers, clients praise Juan for his “unique ability to couple the facts and law with business reality,” and describe him as “an exceptional advocate” who “achieves exceptional results.” Juan’s work on behalf of clients has also been recognized by Global Competition Review, Law360, American Lawyer, and New York Law Journal, among others.

As a Deputy Assistant Attorney General at DOJ, Juan oversaw numerous complex merger and conduct investigations and litigation across a broad spectrum of industries—including the technology, financial services, healthcare, defense and aerospace, transportation, consumer products, higher education, and telecommunications industries.  During his DOJ tenure, Juan played a leading role in seven merger challenges that resulted in the transaction being abandoned prior to or blocked after trial.

In addition to being a leading antitrust practitioner, Juan has extensive experience representing corporations and financial institutions in complex commercial litigation, including representing clients in securities fraud actions, shareholder derivative actions, and contract disputes.

A respected thought leader, Juan serves on the Executive Committee of the New York State Bar Association’s Antitrust Section and co-chairs its Cartels and Criminal Practice Committee. In addition, he regularly publishes and speaks on cutting-edge topics in antitrust law, including DOJ and FTC enforcement trends and the evolving application of antitrust laws to technology and other dynamic markets.

Juan regularly serves as pro bono counsel in civil rights, immigration, housing, family, and criminal matters. His commitment to pro bono has been recognized by organizations such as The Legal Aid Society, Human Rights First, LatinoJustice, Her Justice, and the Puerto Rican Bar Association.  In addition, Juan’s commitment to improving the legal profession and expanding opportunities for traditionally underrepresented groups has been recognized by the New York City Bar Association, Minority Corporate Counsel Association, Leadership Council for Legal Diversity, Hispanic National Bar Association, and Council of Urban Professionals, among others.

Outside the firm, Juan holds leadership positions in various bar associations and non-profit organizations. He is a member of the New York City Bar Association’s Judiciary Committee. In addition, he previously served as the New York City Bar Association’s vice president and chair of its Nominations and Minorities in the Courts Committees. Juan is a fellow of the American Bar Foundation, which seeks to improve the judicial system by conducting interdisciplinary research on the intersections between law and society.  Moreover, Juan is the board chair of Northern Manhattan Improvement Corp., a non-profit organization that provides legal, educational, job training, and social services to residents in the Harlem, Washington Heights, and South Bronx communities. He also serves on the board of Legal Outreach, a non-profit educational program that serves low-income, urban youth from underserved New York City communities.

Career & Education

    • Department of Justice: Antitrust Division
      Deputy Assistant Attorney General for Civil Enforcement, 2016–2017
      Chief of Staff and Senior Counsel to the Assistant Attorney General, 2014–2015
      Counsel to the Assistant Attorney General, 2013–2014
    • U.S. Court of Appeals for the Fourth Circuit
      Law Clerk, Honorable Roger L. Gregory, 2003–2004
    • Department of Justice: Antitrust Division
      Deputy Assistant Attorney General for Civil Enforcement, 2016–2017
      Chief of Staff and Senior Counsel to the Assistant Attorney General, 2014–2015
      Counsel to the Assistant Attorney General, 2013–2014
    • U.S. Court of Appeals for the Fourth Circuit
      Law Clerk, Honorable Roger L. Gregory, 2003–2004
    • Boston College, B.A., magna cum laude and Phi Beta Kappa, 1999
    • Columbia Law School, J.D., Managing Editor, Columbia Law Review and Harlan Fiske Stone Scholar, 2002
    • Boston College, B.A., magna cum laude and Phi Beta Kappa, 1999
    • Columbia Law School, J.D., Managing Editor, Columbia Law Review and Harlan Fiske Stone Scholar, 2002
    • New York
    • Connecticut
    • New York
    • Connecticut
  • Professional Activities and Memberships

    • New York City Bar Association
      • Vice President, 2023–2024
      • Member, Nominations Committee, 2022
      • Member, Judiciary Committee, 2011–2013, 2018–Present
      • Chair and Member, Minority in the Courts Committee, 2006–2011
    • New York State Bar Association Antitrust Section
      • Executive Committee, 2022–Present
      • Co–Chair, Cartels and Criminal Practice Committee, 2022–Present
    • Chair, Board of Directors, Northern Manhattan Improvement Corp., 2018–Present
    • Director, Advisory Board, Legal Outreach, 2006–Present
    • Member, American Bar Association Antitrust Section
    • Member, Hispanic National Bar Association
    • Member, Puerto Rican Bar Association

    Professional Activities and Memberships

    • New York City Bar Association
      • Vice President, 2023–2024
      • Member, Nominations Committee, 2022
      • Member, Judiciary Committee, 2011–2013, 2018–Present
      • Chair and Member, Minority in the Courts Committee, 2006–2011
    • New York State Bar Association Antitrust Section
      • Executive Committee, 2022–Present
      • Co–Chair, Cartels and Criminal Practice Committee, 2022–Present
    • Chair, Board of Directors, Northern Manhattan Improvement Corp., 2018–Present
    • Director, Advisory Board, Legal Outreach, 2006–Present
    • Member, American Bar Association Antitrust Section
    • Member, Hispanic National Bar Association
    • Member, Puerto Rican Bar Association
Juan's insight, expertise and government experience is valuable. He is incredibly thorough and looks around corners to give different options and help understand risks.

Chambers USA, 2025

He’s excellent outside counsel. He’s highly responsive, thoughtful and aware of business sensitivity and needs.

Chambers USA, 2022

Juan's Insights

Firm News | 3 min read | 07.08.25

Crowell & Moring Client CSX Wins Summary Judgment in 18-Year Antitrust Litigation

Washington – July 8, 2025: Crowell & Moring has secured summary judgment on behalf of longtime firm client CSX Transportation, Inc., prevailing in nearly 20 years of multi-district litigation known as In re Rail Freight Fuel Surcharge Antitrust Litigation. Crowell and three other leading firms representing prominent rail companies led a joint defense group in one of the longest-running and most complex antitrust litigations in U.S. history....

Representative Matters

Antitrust Litigation

  • CSX Transportation in obtaining summary judgment in multiple price-fixing multidistrict litigations seeking billions in damages arising out of alleged conspiracy to impose fuel surcharges.
  • Princeton University in securing dismissal of putative class action alleging that the Ivy League Athletic Conference and its member schools unlawfully conspired to prohibit athletic scholarships.
  • Samsung and Mozilla as key third parties in DOJ enforcement action alleging that Google unlawfully monopolized general search engine and search text advertising markets.
  • Centene Corp. and subsidiary in securing dismissal of action alleging group boycott and monopolization claims.
  • George Washington University in pending putative class action alleging that various universities conspired when adopting certain financial aid policies and practices.
  • JPMorgan Chase and various subsidiaries in multiple price-fixing multidistrict litigations seeking billions in damages related to the alleged manipulation of LIBOR, EURIBOR and TIBOR.*

Antitrust Government Investigations

Civil Conduct

  • Global credit rating agency in persuading DOJ to submit written comments raising concerns about rival’s proposed anticompetitive rules, which resulted in rules being abandoned.
  • Various technology and mobile device companies in DOJ and FTC “Big Tech” investigations, including investigations related to general search services, artificial intelligence, cloud platforms, online payment platforms, online application stores, and mobile device operating systems.
  • Multiple health insurers in persuading DOJ to close market allocation investigation without enforcement action.
  • Highly selective college in persuading DOJ and New York State Attorney General to close multiple investigations related to early admissions programs and financial aid methodologies without an enforcement action.
  • Ivy League school in ongoing investigations by Judiciary Committees for the U.S. Senate and U.S. House of Representatives regarding Ivy League admissions, tuition and financial aid policies and practices.
  • Advise collegiate conference and member schools regarding rules, practices and information sharing related to admissions, financial aid, athletics, and faculty and administrative staff recruitment and compensation.

Criminal

  • Government contractor in persuading DOJ to close grand jury investigation related to potential bid-rigging for defense contracts without the filing of criminal charges or enforcement action.
  • Fortune 50 company in DOJ grand jury investigation related to potential no-poach agreements, which was closed without the filing of any criminal charges or enforcement action.
  • Home care provider in New York State Attorney General investigation related to potential no-poach and wage-fixing agreements.
  • Global financial institution in DOJ investigation related to potential manipulation of various benchmarks for financial instruments.
  • Global financial institution in DOJ municipal bonds bid-rigging and fraud investigations.
  • Foreign companies and executives in DOJ auto parts price-fixing, bid-rigging, and market allocation investigations.

Mergers

  • Novant Health in securing FTC and state attorney general approval of $5.2 billion acquisition of New Hanover Medical Regional Center (largest acquisition in North Carolina history).
  • Novant Health in securing FTC approval of $2.4 billion acquisition of three South Carolina hospitals from Tenet Healthcare Corporation.
  • Novant Health in investigation and preliminary injunction proceedings that resulted in district court rejecting FTC’s challenge to Novant Health’s $320 million acquisition of two North Carolina hospitals (transaction abandoned during pendency of FTC’s appeal).
  • United Technologies in securing DOJ and foreign competition agencies’ approval of $30 billion acquisition of Rockwell Collins.
  • AT&T in DOJ investigation and trial that resulted in district court rejecting DOJ’s challenge to the company’s $85 billion acquisition of Time Warner.
  • Major health insurer as third party in DOJ’s investigation of United Health Group’s $13 billion acquisition of Change Healthcare Inc.

Non-Antitrust Litigation and Investigations

  • Government contractor in DOJ False Claims Act investigation regarding representations related to compliance with cybersecurity regulations and contractual commitments.
  • Macquarie Capital and multiple affiliates in securing dismissal of action alleging various fraud, alter ego, and tortious interference claims arising out of asset purchase transaction.
  • AT&T in resolving false advertising and unfair business practices action brought by Sprint related to AT&T’s “5GE” advertisements.
  • KKR and various officers in securing dismissal of securities fraud action arising out of M&A transaction.*
  • Morgan Stanley board members in obtaining dismissal of multiple shareholder derivative actions alleging breach of fiduciary and fraud claims.*
  • Special Committee and Audit Committee of the board of global investment banks in various internal investigations related to multi-billion write-down of proprietary investments and sale of certain securities products.*

* Matters handled prior to joining Crowell

Juan's Insights

Firm News | 3 min read | 07.08.25

Crowell & Moring Client CSX Wins Summary Judgment in 18-Year Antitrust Litigation

Washington – July 8, 2025: Crowell & Moring has secured summary judgment on behalf of longtime firm client CSX Transportation, Inc., prevailing in nearly 20 years of multi-district litigation known as In re Rail Freight Fuel Surcharge Antitrust Litigation. Crowell and three other leading firms representing prominent rail companies led a joint defense group in one of the longest-running and most complex antitrust litigations in U.S. history....

Recognition

  • Chambers USA, Antitrust, New York, 2020–Present
  • American Bar Foundation Fellow, 2025
  • Notable Diverse Leaders in Law, Crain’s New York Business, 2022
  • 2020 Responsible 100 List, City and State New York, 2020
  • Diversity & Inclusion Champion Award, New York City Bar Association, 2019
  • CUP Catalyst: Change Agent, Counsel of Urban Professionals, 2019
  • Distinguished Leaders, New York Law Journal, 2018
  • Rising Stars, Minority Corporate Counsel Association, 2018
  • John A. Dinneen Hispanic Alumni Community Service Award, Boston College, 2018
  • Rising Stars in Antitrust, Law360, 2017
  • Attorneys Who Matter, Ethisphere Institute, 2017
  • Rising Stars, New York Law Journal, 2016
  • Assistant Attorney General Distinguished Service Award, DOJ Antitrust Division, 2013–2015
  • Top Lawyers Under 40, Hispanic National Bar Association, 2012

Juan's Insights

Firm News | 3 min read | 07.08.25

Crowell & Moring Client CSX Wins Summary Judgment in 18-Year Antitrust Litigation

Washington – July 8, 2025: Crowell & Moring has secured summary judgment on behalf of longtime firm client CSX Transportation, Inc., prevailing in nearly 20 years of multi-district litigation known as In re Rail Freight Fuel Surcharge Antitrust Litigation. Crowell and three other leading firms representing prominent rail companies led a joint defense group in one of the longest-running and most complex antitrust litigations in U.S. history....

Juan's Insights

Firm News | 3 min read | 07.08.25

Crowell & Moring Client CSX Wins Summary Judgment in 18-Year Antitrust Litigation

Washington – July 8, 2025: Crowell & Moring has secured summary judgment on behalf of longtime firm client CSX Transportation, Inc., prevailing in nearly 20 years of multi-district litigation known as In re Rail Freight Fuel Surcharge Antitrust Litigation. Crowell and three other leading firms representing prominent rail companies led a joint defense group in one of the longest-running and most complex antitrust litigations in U.S. history....