Julia Schiller


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Julia Schiller helps clients navigate complex antirust issues, drawing on her deep and varied experience in both the government and in private practice to advise clients on merger reviews, civil conduct investigations, and antitrust litigation.

Julia rejoined O’Melveny from the Antitrust Division of the US Department of Justice, where she served as Counsel to the Assistant Attorney General. In that role, Julia provided oversight across a broad range of civil enforcement matters. Notable examples include Bayer’s US$66 billion acquisition of Monsanto, in which the Division obtained a comprehensive US$9 billion divestiture, and the Division’s successful challenge to the merger of Novelis and Aleris, which was its first use of arbitration to resolve a merger challenge. In addition, she played a key role in advancing significant new or updated policies at the Division, including those regarding merger remedies, alternative dispute resolution, and the timing of the Division’s merger review process.


Corporate & Government Experience

  • Counsel to the Assistant Attorney General, US Department of Justice, Antitrust Division
  • Research Assistant, President’s Council of Economic Advisers

Honors & Awards

  • Recommended by The Legal 500 US for Merger Control (2022-2023)
  • Recommended by The Legal 500 US for Civil Litigation/Class Actions: Defense (2022)


Bar Admissions

  • District of Columbia
  • New Jersey
  • New York


  • New York University, J.D., 2007: Recipient, Law and Economics Prize; Robert McKay Scholar; Articles Editor, New York University Annual Survey of American Law
  • Princeton University, A.B., Economics, 2003: magna cum laude

Professional Activities


  • “International Comity and the Enforcement of US Antitrust Law: Beyond In re Vitamin C,” ABA Antitrust Magazine, co-author with Benjamin Bradshaw and Remi Moncel (2017)
  • “Foreign Sovereignty and US Antitrust Enforcement: Is “The State Made Me Do It” a Viable Defense?” ABA Antitrust Magazine, co-author with Benjamin Bradshaw and Ramesh Nagarajan (Summer 2012)
  • “Towards Convergence: The Volume of ‘Affected’ Commerce Under the US Sentencing Guidelines and ‘Impact’ Analysis Under the Clayton Act,” George Mason Law Review, co-author (Summer 2011) 


  • USC Gould/LACBA 40th Annual Institute for Corporate Counsel, "Antitrust Considerations in Labor Markets" (December 2021)
  • OECD Global Blockchain Policy Forum, “Blockchain and Competition Policy: The Agencies’ Perspective” (November 2020). 
  • W@ B3 Initiative, “Lessons Learned from DOJ’s Historic Arbitration in the Novelis/Aleris Merger” (September 2020)
  • Practicing Law Institute, “Developments in Antitrust Law & Regulation 2019” (April 2019)
  • Georgetown Law Global Antitrust Enforcement Symposium, “Merger Enforcement” (September 2018)
  • Represented Penguin Random House in DOJ’s challenge of its proposed acquisition of Simon & Schuster
  • Representing public company in DOJ investigation relating to alleged interlocking directorate and potential exchange of competitively sensitive information. 
  • Obtained DOJ clearance for Semtech in its acquisition of Sierra Wireless.
  • Represented technology company in non-public DOJ investigation relating to alleged agreement not to hire competitors’ employees.
  • Obtained FTC clearance for Bass Pro in its US$4 billion acquisition of outdoor sporting goods retailer Cabela’s.
  • Obtained DOJ clearance on behalf of Dealertrack Technologies Inc. for its acquisition by Cox Automotive.
  • Represented Asiana Airlines in In re Air Cargo Shipping Servs. Antitrust Litig., 06-MD-1775 (E.D.N.Y.), involving claims of price fixing.
  • Obtained FTC clearance for Regis Corporation for its sale of Hair Club to Aderans Co. and Bosley, Inc.
  • Obtained DOJ clearance on behalf of Norsk Hydro for its joint venture with Orkla ASA.
  • Represented T-Mobile USA, Inc. and Deutsche Telekom AG in United States v. AT&T Inc., No. 11-01560 (D.D.C.) in connection with the proposed sale of T-Mobile to AT&T.

Alerts and Publications

Federal Trade Commission Challenges Private Equity-Backed “Roll-Up Scheme” to Suppress Competition in Texas Anesthesiology Services

September 27, 2023

US Antitrust Agencies Overhaul Merger Guidelines, Subjecting Far More Transactions to Scrutiny and Potential Challenges

July 21, 2023

Proposed Overhaul of HSR-Filing Process Will Lengthen Deal Timelines and Likely Lead to More Agency Investigations

June 29, 2023

Antitrust Enforcement: A Vigorous Expansion of Competition Law

February 13, 2023

Labor Antitrust Enforcement: Looking Ahead to 2023

February 6, 2023

Insights 2023

January 31, 2023

FTC Announces New 2023 HSR Reporting Thresholds and Filing Fees

January 24, 2023

FTC Proposes New Rule That Would Ban Non-Compete Agreements

January 10, 2023

HSR Filing Fees to Increase Dramatically for Large Transactions, Funding Larger Budgets and More Enforcement at the Antitrust Agencies

January 5, 2023

Making History: Six Strategic Trials in a Blockbuster Year of Antitrust Litigation

December 13, 2022

Eleventh Circuit Holds That a Franchisor and Its Franchisees May Violate Sherman Act by Entering Into No-Hire Agreements

September 12, 2022

DOJ Breathes New Life into Section 2 Criminal Enforcement

March 8, 2022

District Court Holds that No-Poach Agreements Can Constitute Criminal Antitrust Violations

February 16, 2022

FTC Announces New 2022 HSR Reporting Thresholds and Renews Call to Congress for Additional Funding

January 25, 2022


In the News

Global Competition Review: Publishing Duo Label DOJ Market ‘Artificial’ at Close of Trial

August 22, 2022

Law360: Book Publishers Say DOJ Hasn’t Shown Harm To Authors

August 19, 2022

Law360: Court Questions Penguin’s Bid Policy In Merger Challenge

August 18, 2022

Law360: Publishing Merger Won’t Hurt Competition, Yale Prof Says

August 16, 2022

Law360: Penguin Exec. Says Internal Book Competition Is Strong

August 15, 2022

Law360: Author, Agents Say Advances Only Part Of Puzzle

August 11, 2022

Global Competition Review: DOJ’s Expert: New Publisher Unlikely to Replace Simon & Schuster

August 10, 2022

Law360: Agent Says Authors Want Best Deal, Not Most Upfront Money

August 10, 2022

Law360: Penguin CEO Says Simon & Schuster Deal Is For Market Share

August 4, 2022

Law360: DOJ Tells Judge Book Merger Would Reduce Author Pay

August 1, 2022

Law360: DOJ’s Penguin-Simon & Schuster Challenge Eyes August Trial

December 10, 2021