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Jonathan Cheng


Jonathan focuses on the analysis of antitrust issues pertaining to mergers, acquisitions, competitor collaborations and joint ventures, particularly in the context of the Hart-Scott-Rodino Act and international merger control laws. He has prepared complex filings for a broad range of clients including private equity funds and portfolio companies, life science companies, oil and gas companies, software and technology companies, manufacturers, and retailers.
Jonathan has been praised by clients in The Legal 500 for being “approachable,” “friendly,” and a “terrific lawyer.” Prior to joining the firm, Jonathan was a counsel in the antitrust group of a large U.S. based law firm.


Representative matters

Chevron on its pending acquisition of Hess Corp.

Chevron on its $6.3 billion acquisition of PDC Energy.

Fairfax Financial Holdings Limited in connection with the pending sale of its Crum & Forster Pet Insurance Group and Pethealth Inc. to JAB Holding Company for $1.4 billion.

PSA International on the global competition aspects of its acquisition of global logistics solutions provider BDP International.

Published Work

  • Cheng, Jonathan, Contributor, (2020) Merger Remedies Guide, Global Competition Review (3rd ed. 2020)
  • Cheng, Jonathan, Contributor, (2015) Private Equity Antitrust Handbook, American Bar Association Antitrust Law Section
  • Cheng, Jonathan, Contributor, (2015) Premerger Notification Practice Manual, American Bar Association Antitrust Law Section (5th ed. 2015)
  • Cheng, Jonathan, Contributor, Premerger Coordination: The Emerging Law of Gun Jumping and Information Exchange, American Bar Association Antitrust Law Section (2nd ed. forthcoming)

Speaking Engagements

  • Speaker, Practice Area Spotlight: Antitrust, Cardozo Law School, October 2020
  • Speaker, Multijurisdictional Matters and the Young Lawyer’s Role, Canadian Bar Association, February 2019
  • Speaker, Becoming an Antitrust Attorney, New York State Bar Association, Antitrust Law Section, February 2019

Leadership Positions And Professional Affiliations

  • Member, American Bar Association Antitrust Law Section
  • Member, New York State Bar Association Antitrust Law Section



Attorney-at-Law, New York, 2012


B.A., Rutgers University, 2006

J.D., Yeshiva University Benjamin Cardozo School of Law, 2011

A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.