Perry A. Lange


Lange, Perry A.

Mr. Lange is a litigator who represents clients in diverse antitrust matters before US courts and government agencies, especially cases that involve competitor collaborations, novel distribution arrangements, standard setting, IP licensing and patent misuse. He has represented companies in the high technology, telecommunications, entertainment, pharmaceutical, energy, manufacturing, financial services and transportation sectors in complex antitrust and IP matters in state court, US district courts and federal appellate courts. Recent cases have involved sections 1 and 2 of the Sherman Act, state law antitrust and unfair competition claims, as well as patent damages and enforceability.

In addition to litigation, Mr. Lange represents clients in criminal and civil antitrust investigations, and counsels clients on the antitrust implications of business practices such as distribution incentives, advertising restrictions, patent licensing and joint venture formation. He has also secured regulatory clearance for acquisitions before the Department of Justice and the Federal Trade Commission.

Mr. Lange also has an active pro bono practice in which he has represented clients such as a disabled Iraq war veteran, a small business owner and a federal employee in civil rights and benefits matters before US courts, federal agencies and local government.

Earlier in Mr. Lange's professional career, he worked for seven years in the United States Congress, including as a legislative assistant for a member of the Senate and a legislative director for a member of the House of Representatives. He was also a senior legislative representative for a US civil rights/civil liberties organization. 

Recent Highlights

  • Represents a major movie theatre chain in state and federal antitrust litigation over film licensing practices brought by competing theatre owners.
  • Represents global oil and gas company in antitrust MDL over alleged manipulation of price reporting agency reports.
  • Represents major technology manufacturer in matters concerning standards setting and IP licensing.
  • Represents large financial institution in connection with merchant and consumer antitrust litigation concerning the setting of interchange fees. 
  • Represented large telecommunications manufacturer in antitrust case challenging conduct related to participation in a standards setting organization.
  • Member of trial team for pharmaceutical patentee and its exclusive licensee in patent damages trial that resulted in $2.15 billion settlement; obtained dismissal of patent misuse defenses and unfair competition counterclaims on pre-trial motions. 
  • Obtained antitrust clearance for buyer in major ambulance services provider transaction.
  • Represented consumer electronics patentee before the Federal Circuit in a significant case at the intersection of patent licensing and antitrust law. The en banc Federal Circuit rendered a favorable decision enforcing the limits of the patent misuse doctrine.
  • Represented a major insurance company in securing dismissal of Sherman Act claims before the US district court in the Insurance Brokerage Antitrust MDL, as well as securing a favorable Third Circuit decision affirming dismissal of those claims.
  • Represented international airlines in multi-district litigation concerning allegations of price-fixing in the international air cargo and passenger sectors.
  • Represented shipping company in antitrust arbitration and state court antitrust and unfair competition law actions.
  • Represented a technology company in securing FTC clearance of a transaction in the mobile internet advertising industry.
  • Negotiated settlement of a potential sexual orientation discrimination case against the city of Manassas on behalf of a home-based business owner denied a permit. The city council reversed itself and granted the permit. 
  • Represented a severely disabled veteran of Operation Iraqi Freedom in an appeal of his US Department of Veterans Affairs (VA) disability rating. Based on the appeal, the VA awarded his client the maximum level of compensation a veteran can received for service-connected disabilities, and doubled the client's monthly disability payments he and his family rely on as their primary source of income.

Honors & Awards

  • Recommended in the 2016 and 2017 editions of The Legal 500 United States for his antitrust cartel and merger control practices
  • Selected as a "Rising Star" in the 2015 edition of Washington DC Super Lawyers
  • Received the John H. Pickering Award from the firm in 2015 for his outstanding work in the areas of pro bono representation and community service

Publications & News


February 16, 2018

Federal Trade Commission Update: Senate Hearings Reveal No Obvious Hurdles For Commissioner Nominees

The Senate Commerce Committee held a hearing on Wednesday on the nominees to serve on the Federal Trade Commission. The hearing covered a range of antitrust and consumer protection issues before, or potentially before, the Commission, including healthcare competition and pharmaceutical pricing; competition in technology and telecommunications sectors; industry concentration; cybersecurity breaches and privacy; and online or telemarketing deception and scams.

June 9, 2017

The Legal 500 United States 2017 Recognizes 125 WilmerHale Lawyers Across 28 Practice Areas

The Legal 500 United States has released its 2017 rankings, recommending 125 WilmerHale lawyers—including 12 who are named to its elite “Leading Lawyers” list and two on its “Next Generation Lawyers” list—and 28 practice areas in its 11th edition.

April 4, 2017

The SAVe Act: A Roadblock to Automated Vehicle Innovation

In this article published by Law360, Perry Lange, Sarah Licht, Renita Khanduja and William Desmond, discuss the barriers the SAVe Act brings to automated vehicle innovation.

October 19, 2016

Department of Justice Obtains Guilty Plea for Obstruction in Merger Investigation

On October 14, the US Department of Justice's Antitrust Division announced that Ralph Groen, a former information technology executive of the bus operator Coach USA Inc., had pleaded guilty to criminally obstructing justice during a civil antitrust investigation and litigation.

June 22, 2016

The Legal 500 United States 2016 Recognizes 111 WilmerHale Lawyers Across 30 Practice Areas

The guide's rankings are based on a series of criteria, including client feedback, interviews with private practice lawyers, and its own research.

January 4, 2016

WilmerHale Announces 2016 Partner and Special Counsel Elevations

We are pleased to announce the elevation of our new partners and special counsel in 2016.

March 30, 2015

Foreign Component Cartels and the U.S. Antitrust Laws: A First Principle Approach

An article by Lee Greenfield, Steven Cherry, Perry Lange and Jacquelyn Stanley, published in the Spring 2015 edition of ABA Antitrust magazine, Vol. 29, No. 2.

November 13, 2014

Standard-Essential Patents and US Antitrust Law: Light at the End of the Tunnel?

A chapter co-authored by Leon Greenfield, Hartmut Schneider and Perry Lange, published in the International Bar Association's Communications and Competition Law: Key Issues in the Telecoms, Media and Technology Sectors.

March 28, 2014

Motorola Mobility v. AU Optronics: Seventh Circuit Curtails Liability for Foreign Component Sales in International Cartel Cases

Yesterday, the United States Court of Appeals for the Seventh Circuit issued an important opinion in Motorola Mobility LLC v. AU Optronics Corp., No. 14-8003, 2014 WL 1243797 (7th Cir. Mar. 27, 2014), part of the LCD flat panel antitrust litigation that has been ongoing since December 2006.

June 12, 2013

Pfizer Obtains $2.15 Billion Settlement from Teva and Sun for Infringement of Protonix® Patent


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JD, cum laude, Georgetown University Law Center, 2005

BA, International Relations and Economics, Tufts University, 1996

Bar Admissions

District of Columbia


Government Experience

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