Photograph of Shari Ross Lahlou
Named Global
Competition Review
2018 "Litigator of the Year"

Recognized as an
M&A-Antitrust Trailblazer
by the National Law Journal


  • The George Washington University Law School, J.D., Order of the Coif, with highest honors
  • Dickinson College, B.A. political science cum laude


  • District of Columbia
  • Maryland

Welcome to Your New War Room: How Technology Is Finding Its Way into Litigation Case Strategy

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Crowell & Moring's Litigation Forecast 2019

Litigation Forecast 2019

Shari Ross Lahlou

 Partner Washington, D.C.
Phone: +1 202.624.2679
1001 Pennsylvania Avenue NW
Washington, DC 20004-2595

Shari Ross Lahlou is co-chair of the firm's Antitrust Group, a member of the Litigation Group, and resident in the Washington, D.C. office. She is an accomplished trial lawyer who represents Fortune 500 clients in significant antitrust and other complex litigation. Shari has achieved trial court and appellate victories across a broad range of antitrust issues: cartels, monopolization, tying, exclusive dealing, and other anticompetitive conduct. She has also successfully handled and tried claims related to other major commercial disputes. In addition, she regularly counsels clients on antitrust issues.

Shari was named Global Competition Review's 2018 "Litigator of the Year," and in 2016 she was recognized as a National Law Journal M&A-Antitrust Trailblazer.

Representative Matters

  • In re: Freight Fuel Surcharge Antitrust Litigation: Currently representing CSX Transportation in defense of Sherman Act Section 1 multidistrict class action litigation alleging conspiracy to fix fuel surcharge prices. Prevailed in defeating class certification on remand from the D.C. Circuit’s prior opinion vacating the district court’s previous ruling certifying the class.
  • Karen Tichy v. Hyatt Hotels Corp., et al.: Currently representing Marriott in a class action antitrust lawsuit against the major hotel companies alleging the companies engaged in a conspiracy regarding keyword advertising.
  • Academy of Allergy & Asthma in Primary Care, et al., v. Louisiana Health Service and Indemnity Co., et al.: Currently representing Humana in antitrust litigation regarding allergy testing and allergen immunotherapy.
  • U.S. v. AT&T Inc. et al.: Represented AT&T as antitrust counsel in its proposed $85 billion acquisition of Time Warner.
  • Titanium Dioxide Antitrust Litigation: Represented Chemours (and legacy entity DuPont) in defense of Sherman Act Section 1 class action litigation alleging conspiracy to fix the price of titanium dioxide. Prevailed in federal district court on summary judgment in an opt-out case brought by Valspar; summary judgment affirmed by the Third Circuit.
  • Suture Express v. Cardinal & Owens & Minor: Represented Owens & Minor, the nation’s leading distributor of medical and surgical products, in litigation alleging tying and exclusive dealing. Prevailed in federal district court on summary judgment, which was affirmed by the Tenth Circuit.
  • U.S. et al. v. Aetna Inc. et al.: Represented Humana as lead trial counsel in connection with the U.S. Department of Justice’s challenge of the company’s proposed merger with Aetna, valued at approximately $39 billion. 
  • U.S. v. AT&T & T-Mobile: Represented AT&T in its proposed acquisition of T-Mobile.
  • In re: Apple/ATTM Antitrust Litigation: Represented AT&T in litigation over exclusive service provider relationship for iPhones.
  • NewCal v. IKON: Represented major copier company in a case alleging violations of Sherman Act Section 2 using an aftermarket theory, and RICO.
  • DuPont v. Kolon: Represented DuPont in its prosecution of trade secrets claims and its defense of a Sherman Act Section 2 counterclaim.


Admitted to practice: District of Columbia, Maryland

Highlights, News & Knowledge

Speeches & Presentations


Client Alerts & Newsletters

In the News

Firm News & Announcements

Feb.22.2019 Crowell & Moring's Antitrust Group Listed as "Highly Recommended" in Global Competition Review's 19th Annual "GCR 100"
Jun.15.2018 Federal Judge Clears Way for AT&T-Time Warner Merger
Apr.11.2018 Crowell & Moring Antitrust Co-Chair Shari Ross Lahlou Named Global Competition Review's 2018 "Litigator of the Year"
Oct.27.2017 LITIGATION NOTE: Crowell & Moring Wins Denial of Class Certification
Oct.06.2017 LITIGATION NOTE: DuPont Prevails in Antitrust Price-Fixing Lawsuit
Mar.14.2017 Litigation Note: Crowell & Moring Wins Appellate Victory Affirming Summary Judgment on Tying and Exclusive Dealing Case
Sep.28.2016 Crowell & Moring Partner Shari Ross Lahlou Named a National Law Journal Antitrust/M&A Trailblazer
Mar.08.2016 Litigation Note: Crowell & Moring Wins Tying and Exclusive Dealing Case on Summary Judgment
Jan.28.2016 Litigation Note: DuPont Wins Summary Judgment in Rare Feat
Jan.22.2015 Crowell & Moring's Antitrust Group Featured in Global Competition Review's 15th Edition "GCR 100"
Jan.13.2015 Crowell & Moring Releases Third Annual Litigation Forecast Report and Inaugural Regulatory Forecast
Apr.08.2014 Crowell & Moring Named Finalist in Global Competition Review's Fourth Annual "GCR Awards"
May.01.2009 Two Crowell & Moring Antitrust Lawyers Recognized In Global Competition Review’s "Women In Antitrust" Special Report