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Charlene Sun

Counsel | She/Her/Hers
Counsel | She/Her/Hers
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Areas of Focus

Overview

Charlene Sun is a counsel in Crowell & Moring’s Orange County office and is a member of the firm’s Antitrust and Competition Group. Charlene's practice involves counseling clients across a number of industries on a wide range of antitrust transactional and litigation matters. Charlene has provided strategic counsel with identifying and coordinating foreign merger control filings, compliance with the Hart-Scott-Rodino Act, and evaluating and advising on competitive issues associated with mergers, acquisitions, and competitor collaborations. She has also represented Fortune 500 companies as plaintiffs in antitrust recovery actions.

While Charlene was in law school, she served as an editor of the UC Irvine Law Review. She participated in various pro bono projects, which included work on cases concerning asylum, bankruptcy, and domestic violence.

Charlene serves as co-chair of the LGBTQ+ Affinity group, where she focuses on promoting equity, inclusion, and opportunity within the firm.

Career & Education

    • Chapman University, B.S., business administration, 2015
    • University of California, Irvine School of Law, J.D., magna cum laude, 2019
    • Chapman University, B.S., business administration, 2015
    • University of California, Irvine School of Law, J.D., magna cum laude, 2019

    • California
    • California

Charlene's Insights

Client Alert | 2 min read | 04.01.25

DOJ Launches “Anticompetitive Regulations Task Force” to Advocate Against State and Federal Laws and Regulations

On March 27, 2025, the Department of Justice Antitrust Division launched an Anticompetitive Regulations Task Force (the “Task Force”) designed to identify and eliminate state and federal laws and regulations that are deemed to hinder free market competition. The Task Force will bring together attorneys, economists, and other staff from across the Division and interagency partners, and its target sectors include the transportation, healthcare, energy, food & agriculture, and housing industries....

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Insights

Client Alert | 2 min read | 04.01.25

DOJ Launches “Anticompetitive Regulations Task Force” to Advocate Against State and Federal Laws and Regulations

Firm News | 9 min read | 01.02.25

Crowell & Moring Elects 12 New Partners, Promotes Four to Senior Counsel and 25 to Counsel

Client Alert | 5 min read | 12.19.23

DOJ and FTC Issue Final 2023 Merger Guidelines With Significant Changes and Updates

Client Alert | 3 min read | 01.08.21

Appliance Manufacturers Should Prepare for Increased DOE Enforcement Activity

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Practices

Charlene's Insights

Client Alert | 2 min read | 04.01.25

DOJ Launches “Anticompetitive Regulations Task Force” to Advocate Against State and Federal Laws and Regulations

On March 27, 2025, the Department of Justice Antitrust Division launched an Anticompetitive Regulations Task Force (the “Task Force”) designed to identify and eliminate state and federal laws and regulations that are deemed to hinder free market competition. The Task Force will bring together attorneys, economists, and other staff from across the Division and interagency partners, and its target sectors include the transportation, healthcare, energy, food & agriculture, and housing industries....

View All Insights