The Antitrust and Competition practice partners with clients to provide high quality, timely and practical advice to advance their business objectives. Our collaborative approach extends to how we work with each other, and with a network of corresponding firms in Europe, Asia, and other parts of the world, to navigate more than 100 competition regimes worldwide. The team works together in a mutually-supportive fashion to assure our clients the best possible quality of client service.
From our defense of the Aluminum Co. of America, in what remains one of the most celebrated antitrust cases in US history, to many of today’ s largest matters such as the London Interbank Offered Rate (LIBOR) and Auto Parts investigations, we continue to achieve desirable results across the full spectrum of antitrust work for our clients. We focus on identifying our clients’ optimal result and creating a plan to achieve it. Clients continue to rely on us for our deep experience, responsiveness, accessibility and results.
The team brings varied and extensive experience across a wide range of industries. We provide advice and representation in all five of the major enforcement areas, including:
- Merger Clearance
- Cartel Defense
- Antitrust Litigation
- Government Civil Investigations
- Counseling
The group and its lawyers have been recognized by Chambers, The Legal 500 and Global Competition Review. The Legal 500 noted, “The group gives ‘sensible advice and the individuals are very familiar with the enforcement agencies.’” Team members have also been recognized for being ‘very smart, very strategic and very user-friendly’ and “utilizing the facts to the best benefit of his clients."
Our Experience
Transactional (Merger Control)
Representing Sinclair Broadcast Group, Inc. in obtaining Department of Justice approval for its proposed $10.6 billion acquisition of 21 Fox Regional Sports Networks from the Walt Disney Company.
Representing French media entrepreneur and art collector Patrick Drahi in securing antitrust clearance for the acquisition of global auction house Sotheby’s.
Representing Zoetis in securing antitrust clearance for its proposed acquisition of Platinum Performance, a nutrition focused animal health business.
Representing Cartamundi in securing clearance for its proposed acquisition of United States Playing Card Company, manufacturer of the Bicycle brand of playing cards.
Representing Republic Airlines in securing antitrust clearance for its proposed Chapter 11 reorganization, which involved the acquisition of a majority interest in Republic by its three code share partners, United Airlines, American Airlines, and Delta Airlines.
Successfully represented Unimin Corporation in its $3 billion merger with Fairmount Santrol to create Covia Holdings Corporation, the leading producer of frac sand and industrial sand in the United States. The parties pulled their initial Hart-Scott-Rodino filing and refiled it to give the Department of Justice additional time to review the transaction, and the Department allowed the deal to close without issuing a second request.
Representing MediaNews Group Digital First Media when it won court approval to buy bankrupt newspaper publisher Freedom Communications after the government blocked a sale to the higher-bidding Tribune Publishing in a bankruptcy auction.
Representing an Indian generic pharmaceutical manufacturer, Claris Ltd., in seeking FTC clearance for its pending $625 million acquisition by Baxter International.
Representing Brambles in securing antitrust clearance in the U.S., EU, and Australia for the combination of its energy container businesses with U.S.-based Hoover Container Solutions in a joint venture that will be the world's second-largest provider of energy and chemicals storage units.
Representing Merck in securing antitrust clearance for its $3.8 billion acquisition of Idenix Pharmaceuticals.
Representing Sinclair Broadcast Group in securing antitrust clearance from the Justice Department for several recent acquisitions, including its $965 million acquisition of 7 television stations from Allbritton Communications.
Representing ONEOK in its $800 million acquisition from Chevron of two natural gas liquids pipelines transporting NGLs from the Permian Basin to Mont Belvieu, Texas.
Cartel Defense
Representing a leading Japanese manufacturer of ceramic substrates for automotive catalytic converters in negotiating a guilty plea in a U.S. Department of Justice (DOJ) criminal grand jury investigation of price fixing and bid rigging with one of the largest downward departures ever.
Representing a high-level executive of a Japanese capacitor manufacturer in a DOJ cartel investigation and obtaining a non-prosecution agreement for him.
Representing a U.S. pharmaceutical company facing a DOJ antitrust cartel investigation in the generic pharmaceutical industry.
Leading the defense of a multinational financial services company facing a cartel investigation by the DOJ, European Commission and other regulators.
Government Civil Investigations and Private Antitrust Litigation
Representing a director of United Airlines in In re Domestic Airline Travel Antitrust Litigation, a class action alleging that the major U.S. airlines conspired with each other to limit capacity.
Representing Portigon and WestdeutschImmobilien Bank in LIBOR-based financial instruments antitrust litigation where the defendants allegedly colluded to manipulate the U.S. Dollar LIBOR rate, influencing prices in the markets for LIBOR-based instruments.
Successfully defending MediaNews Group Digital First Media in a private antitrust lawsuit challenging the restructuring of a newspaper joint operating agreement in Salt Lake City and representing the company in a related Justice Department civil investigation.
Representing Cantor Fitzgerald in more than 40 putative class action lawsuits filed against all 22 primary dealers alleging a conspiracy to manipulate the $12.7 trillion U.S. Treasury market.
Representing Macquarie in two civil class actions alleging global banks manipulated various financial benchmark rates: the Singapore Offered Rate (SIBOR) and the Singapore Swap Offer Rate (SOR), and the Australian Bank Bill Swap Reference Rate (BBSW).
Latest Updates
New HSR Form Vacated; Prior Version of Form Reinstated
On March 19, the U.S. Court of Appeals for the Fifth Circuit denied the Federal Trade Commission’s request for a further stay of a recent district court decision overturning the expanded version of the Hart-Scott-Rodino (HSR) premerger notification form and rules that went into effect in February 2025. As a result, the previous version of the HSR form and rules were reinstated, effective immediately.Federal Court Strikes Down New HSR Rules
On Feb. 12, the U.S. District Court for the Eastern District of Texas vacated the Federal Trade Commission’s October 2024 overhaul of the Hart-Scott-Rodino (HSR) premerger notification process. Unless the FTC seeks and obtains a further stay of the ruling pending appeal, the court’s decision will go into effect on Feb. 20 and parties filing HSR premerger notifications will need to revert to the prior version of the HSR form.
FTCが新たなHSRファイリング基準値を公表
1月16日、連邦取引委員会(FTC)は、Hart‑Scott‑Rodino(HSR)法に基づく届出義務の有無を判断するための基準値に関して、2026年の改定値を公表した。今回の新たな基準値は 2月16日以降にクロージングする取引に適用される。新たな基準値の発効後、HSRファイリングが必要となる取引規模(size‑of‑transaction)の基準は、前年の1億2,640万ドルから1億3,390万ドルへ引き上げられる。
Popular News & Insights
Judge Grants Preliminary Approval for $141M in RealPage Settlements
Hughes Hubbard secured preliminary approval of $141.8 million worth of class settlements for antitrust claims lodged against landlords – including Hughes Hubbard client Bozzuto Management Company – aimed at resolving multidistrict litigation in the District Court for the Middle District of Tennessee.
DOJ Antitrust Division Launches ‘Comply with Care’ Task Force to Combat Gamesmanship in Investigations
Sept. 9, 2025 – On Aug. 29, Assistant Attorney General (AAG) Gail Slater of the U.S. Department of Justice Antitrust Division announced the formation of a new “Comply with Care” task force. The initiative will target what the DOJ describes as “gamesmanship” and “problematic tactics”...
Philip Giordano Quoted by National Law Journal on Google Antitrust Litigation
Philip Giordano was quoted by The National Law Journal (NLJ) following a recent milestone ruling in the U.S. Department of Justice’s antitrust litigation against Google.
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