Brian J. Boyle

Partner

Deputy Chair, US Antitrust & Competition

Exemplary legal skill, sound judgment, and carefully navigated myriad obstacles.

— Commendation letter from US Magistrate Judge

Emailbrian.boyle@us.dlapiper.com

Call+1 215 656 2450

Philadelphia Washington, DC

About

Brian Boyle is a Chambers-ranked antitrust lawyer and Deputy Chair of the firm's Antitrust & Competition Group. He has defended US and global companies in high-stakes investigations by the Federal Trade Commission, Department of Justice, state attorneys general, and international enforcement authorities involving mergers, antitrust conduct, and consumer protection matters. He also represents businesses as plaintiffs and defendants in antitrust and consumer protection litigation, including litigation against government enforcement agencies. Clients quoted in Chambers call Brian "a very smart lawyer that pairs legal expertise with the ability to think outside the box" and praise his "thoughtful, well-reasoned and practical guidance."

Brian has led complex multijurisdictional merger, cartel, and pricing conduct investigations, as well as a wide range of US and global consumer protection investigations. He has litigated in federal courts across the country and in FTC administrative proceedings in challenges to government enforcement actions and cases involving alleged price fixing, monopolization, price discrimination, and unfair or deceptive acts or practices. Brian brings a courtroom perspective to investigations, transactions, and business counseling in which the prospect of government or private litigation can shape strategy.

Brian advises clients on mergers and acquisitions, joint ventures, and competitor collaborations involving antitrust challenges. He has successfully guided transactions through merger control reviews in jurisdictions across the Americas, EMEA, and APAC. Drawing on his background in finance and corporate development, Brian brings a business perspective to complex competition issues and develops practical, creative solutions aligned with clients' commercial objectives.

In 2025, Brian was appointed by Pennsylvania's Attorney General to serve as an outside advisor on antitrust and consumer protection matters. He serves as a Vice Chair of the American Bar Association Antitrust Law Section and regularly speaks and writes on antitrust issues. He previously served as an editor of the ABA's authoritative Antitrust Law Developments treatise.

Areas of FocusAntitrust and Competition Litigation, Arbitration and Investigations Healthcare Antitrust FTC Consumer Protection State Attorneys General

Bar admissionsDistrict of ColumbiaNew JerseyPennsylvania

CourtsUnited States District Court for the Eastern District of PennsylvaniaUnited States District Court for the Middle District of PennsylvaniaUnited States Court of Appeals for the Ninth CircuitUnited States District Court for the District of New JerseyUnited States Court of Appeals for the Eleventh Circuit

EXPERIENCE

Investigations

Defended a Fortune 500 company that was alleged to be the hub of a multinational hub-and-spoke price-fixing conspiracy in a DOJ Antitrust Division investigation. Successfully resolved the matter with no enforcement against our client
Defended a global technology company in a market allocation investigation by the DOJ Antitrust Division, UK Competition and Markets Authority, the EU Directorate-General for Competition, and the Swiss Competition Commission. Successfully resolved the matter with no enforcement against our client
Defending a leading medical device company in a global consumer protection investigation involving the FTC, civil and criminal divisions of the DOJ, and other agencies, including cooperation with relevant authorities and an extensive internal investigation involving numerous jurisdictions globally
Defended a consumer products manufacturer in a Made-in-USA investigation by the FTC, resulting in a favorable consent order with no civil penalties
Represented a government contractor accused of bid rigging and related offenses in connection with a federal construction contract. Achieved a favorable negotiated resolution
Represented a global consumer products company in an FTC Anticompetitive Practices Division investigation concerning alleged pricing conduct. Successfully resolved the matter with no enforcement against our client
Represented a multinational energy company in a Pennsylvania Attorney General's Office investigation and related litigation regarding pricing conduct. Achieved a favorable settlement with no monetary remedies
Represented a multinational technology company in an internal investigation related to pricing transparency and the creation of a new compliance program in response to an FTC warning letter

Transactions

Silicon Laboratories in its $7.5 billion acquisition by Texas Instruments
TMTG in its $6.0 billion acquisition of TAE Technologies
Motorola Solutions in its $1.5 billion acquisition of D-Fend solutions
Alif Semiconductor in its $1.35 billion acquisition by Analog Devices
Arize AI in its $915 million acquisition by Dynatrace
Cobram Estate Olives Limited (ASX: CBO) on its acquisition of California Olive Ranch
Medtronic in its joint venture with DaVita
Michelin in its acquisition of Tex-Tech
Brenntag in its acquisition of Colony Gums

Litigation

Represented MGM Resorts International as the plaintiff in litigation against the Federal Trade Commission and Chair Lina Khan, and as the defendant in the government's countersuit. Prevailed in both cases, obtaining withdrawal of the FTC's civil investigative demand, dismissal of its enforcement action, and closure of its investigation. MGM Resorts International v. Federal Trade Commission et al. (D.D.C. 2024); Federal Trade Commission v. MGM Resorts International (D. Nev. 2024)
Obtained dismissal on behalf of one of the nation's leading property management companies in In re: RealPage Rental Software Antitrust Litigation (M.D. Tenn. 2023), a groundbreaking case concerning the intersection of artificial intelligence pricing tools and the antitrust laws
Obtained a complete defense verdict on behalf of a global consumer products manufacturer following a three-week jury trial in a case alleging more than $1 billion in damages for breach of a federal consent order and two related contracts. Whitesell Corporation v. Electrolux Home Products, Inc. (S.D. Ga. 2023), aff'd (11th Cir. 2025)
Defending Willow Bridge Property Company in antitrust litigation related to alleged uses of artificial intelligence revenue management software. Liu v. Willow Bridge Property Co. et al. (E.D.P.A. 2026)
Defending Porsche Cars North America in a putative class action alleging that Porsche monopolized certain service markets in violation of Section 2 of the Sherman Act. Fleet Salvage Systems, Inc. v. Porsche Cars North America, Inc. (N.D. Ga. 2026)
Represented a multinational medical device manufacturer as the plaintiff in antitrust and Lanham Act litigation against a medical device distributor, obtaining a favorable resolution prior to summary judgment. Medit Corp., et al v. Renew Digital, LLC (N.D. Ga. 2024)

Awards

Chambers USA

Band 4, Pennsylvania Antitrust, (2026)

The Legal 500 United States

Recommended, Antitrust: Civil Litigation/Class Actions: Defense, (2024 – 2026)

Additional Recognitions

Recipient, Professional Excellence Award: Lawyer on the Fast Track, Legal Intelligencer, (2023)
Named, "Young Lawyer on the Rise," "Millennial to Watch in Law," Philadelphia Business Journal, (2017)

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Education

J.D., Villanova University School of Law
Editor-in-Chief, Villanova Law Review

M.B.A., Villanova University

B.A., Political Science, Loyola University – Maryland

Publications

Seminars

"Antitrust Hot Topics 2020"
"Antitrust Hot Topics for Technology Companies"
"Enhancing Social Media Policies in the Work Place: Complying with FTC Disclosure Rules"

Media Mentions