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Broome, Stephen A.

Stephen A. Broome

Partner

stephenbroome@quinnemanuel.com
Direct Tel: +1 213-443-3285, Direct Tel: +1 212-849-7000
Los Angeles
Tel: +1 213 443 3000 Fax: +1 213 443 3100
New York
Tel: +1 212 849 7000 Fax: +1 212 849 7100

Stephen Broome is a partner in the firm’s Los Angeles and New York offices and the co-chair of the firm's Data Privacy and Security Practice.  His practice focuses on litigating and trying complex commercial disputes in the areas of technology, finance, competition, and bankruptcy.  He also represents both plaintiffs and defendants in a variety of business torts and breach of contract actions.

A significant portion of Steve’s practice is focused on data privacy and security issues.  He is counsel to some of the world’s leading technology companies defending numerous, high-profile data privacy class actions and government enforcement actions and investigations concerning an array of technologies—including web browsers, mobile apps, digital advertising, data analytics, and facial recognition—in state and federal courts across the country.

In addition to trial work, Steve is an accomplished appellate lawyer, and has successfully argued cases before the U.S. Supreme Court, the federal Courts of Appeals, and state appellate courts.  

Steve has been named by the New York Law Journal as a Rising Star, and was profiled as a Lawyer Who Leads By Example. He has also been named by Legal 500 USA as a Recommended Lawyer in the Appellate Litigation category.

Steve currently serves on the Board of Governors of the Los Angeles chapter of the Association of Business Trial Lawyers.

Before joining the firm, Steve served as a law clerk for Judge Richard C. Wesley of the U.S. Court of Appeals for the Second Circuit.

  • Access Industries
  • Alphabet
  • Aon
  • Google
  • IBM
  • IQVIA
  • The Weather Channel
  • Representing Google and Alphabet in a high-profile privacy class action filed in the U.S. District Court for the Northern District of California by Boies Schiller and Susman Godfrey regarding various Google offerings, including Chrome, Google Analytics, and Google Ad Manager.  The class asserts federal and state wiretapping claims, as well as state constitutional and common law privacy claims, on the allegation that Google receives users’ communications with websites and personal information when users are browsing the web in “private” or “incognito” mode.
  • Representing Google and Alphabet in a high-profile privacy class action regarding Google’s allegedly unlawful interception of user interactions with mobile apps through its Firebase SDK when users have turned off Web & App activity.  The class asserts federal and state wiretapping claims, state constitutional and common law claims, as well as a claim under the Comprehensive Computer Data Access and Fraud Act (CDAFA).
  • Lead counsel for IBM and its subsidiary, TWC Product and Technology (“TWC”)—owner of The Weather Channel Mobile App—defending a high-profile lawsuit brought by the Los Angeles City Attorney on behalf of the People of California in California state court alleging that TWC’s purported failure to disclose its use and sharing of users’ geolocation data for advertising and other commercial purposes violates California’s Unfair Competition Law.
  • Lead counsel for IBM and TWC in defending against a putative class action in the U.S. District Court for the Northern District of Florida relating to The Weather Channel App’s data privacy practices.  The class alleges that IBM and TWC violated Florida’s Deceptive and Unfair Trade Practices Act, and also asserts common law claims for fraudulent and negligent misrepresentation/omission and unjust enrichment/restitution.
  • Lead counsel for IBM in defending multiple class actions by Illinois residents asserting claims under Illinois’s Biometric Information Privacy Act (BIPA).  Plaintiffs assert multiple BIPA claims relating to IBM’s “Diversity in Faces” facial recognition project.
  • Representing IQVIA (formerly IMS Health), a leading provider of health care data, services, and technology, in trade secrets and antitrust litigation against Veeva Systems.
  • Lead counsel for American industrialist Len Blavatnik in defending claims of aiding and abetting breach of fiduciary duty, unjust enrichment, and conversion, in a lawsuit filed by Magomed Magomedov that sought over $1 billion in connection with the 2013 sale of TNK-BP to Rosneft.  Successfully obtained dismissal of all claims before trial.
  • Representing American industrialist Len Blavatnik in defense of breach of contract, joint venture, fiduciary duty, and fraud claims in a lawsuit filed by former Russian senator and oil tycoon Leonid Lebedev seeking over $2 billion in connection with the 2013 sale of TNK-BP to Rosneft.  Successfully obtained dismissal of all claims on summary judgment.  The case is now on appeal.
  • Represented the PAH Litigation Trust in a case asserting fraudulent transfer claims against the former owners of Physiotherapy Associates, one of the largest physical therapy providers in the U.S., for their role in structuring the leveraged buyout of the insolvent company based on false financial statements, culminating in its bankruptcy.  The case was resolved on the eve of trial.
  • Argued on behalf of the Respondent in the 2016 Supreme Court case Sessions, Attorney General v. Morales-Santana, a case that successfully challenged sections of the Immigration and Nationality Act as unconstitutional under the Fifth Amendment’s principle of Equal Protection.  Steve successfully argued the appeal in the proceeding below before the Second Circuit, as well.
  • Lead counsel for Chilean and Spanish construction conglomerates in a 7-year action against their former financial advisor, The Bank of Nova Scotia, for breach of contract and gross negligence relating to a botched financial model for a toll-road construction project in Chile.  Argued multiple, successful appeals before the New York Appellate Division, First Department, allowing the case to proceed to trial.  The case was resolved shortly before trial.
  • Represented IMS Health Incorporated in defense of multi-billion dollar antitrust claims brought by Symphony Health Solutions under the Sherman Act.
  • Represented the trustee of the SNTL Litigation Trust in a complex bankruptcy dispute against JPMorgan Chase & Co. concerning operation of the chapter 11 plan.
  • Represented Repsol, S.A. in various lawsuits relating to Argentina’s expropriation of Repsol’s multi-billion dollar controlling interest in YPF, S.A., Argentina’s largest oil-company.
  • Represented holders of hundreds of millions of dollars of bank debt and bonds in the defunct Le Nature’s Inc., asserting claims against a major bank, accounting firms, and an equipment manufacturing company.    
  • Represented a sovereign wealth fund against a private equity fund manager in an ICC arbitration involving claims for fraud, breach of fiduciary duty, and breach of contract.
  • Represented a European pharmaceutical company in an action against a U.S. pharmaceutical company asserting claims for fraud and breach of contract arising out of a major acquisition transaction.
  • Represented the trustees of a Jersey Island-based trust in a FINRA arbitration against a major broker dealer stemming from unauthorized purchases of auction rate securities.
  • Represented the debtors in possession in an adversary proceeding in bankruptcy court to prevent a major credit-card processing company from terminating its processing agreement with the debtors.
  • Represented a committee of unsecured creditors against secured creditors in an adversary proceeding  in bankruptcy court concerning the appropriate distribution of the debtors’ assets.
  • George Washington University Law School
    (J.D., high honors, Order of the Coif, 2006)
  • The London School of Economics
    (M.Sc., honors, 2003)
  • The University of British Columbia
    (B.A., first class honors, 2002)
The State Bar of New York; The State Bar of California; United States Supreme Court; United States Court of Appeals: Second Circuit, Ninth Circuit; United States District Courts: Southern District of New York, Eastern District of New York, Western District of New York, Northern District of California; Central District of California, Central District of California, Bankruptcy Court
  • Law Clerk to the Hon. Richard C. Wesley:
    • United States Court of Appeals for the Second Circuit, 2006-2007

Named one of 30 Rising Stars by the New York Law Journal.

Named a Recommended Lawyer by Legal 500 USA 2017.

Named one of the Lawyers Who Lead by Example Pro Bono 2016 honorees by the New York Law Journal.

  • "An Unconscionable Application of the Unconscionability Doctrine: How the California Judiciary is Circumventing the Federal Arbitration Act," 3 Hastings Business Law Journal 39 (2006)
  • "Conflicting Obligations for Oil Exporting Nations?: Satisfying the Membership Requirements of Both OPEC and the WTO," 38 George Washington International Law Review 409 (2006)