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ARTICLE · 12 JULY 2022

TransUnion And Concrete Harm: One Year Later

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The U.S. Supreme Court's 2021 ruling in TransUnion LLC v. Ramirez resolved fundamental constitutional questions about what a plaintiff must do to establish standing to bring a federal lawsuit.

United StatesLitigation, Mediation & Arbitration

The U.S. Supreme Court's 2021 ruling in TransUnion LLC v. Ramirez  resolved fundamental constitutional questions about what a plaintiff must do to establish standing to bring a federal lawsuit. The Court held that to do so, a plaintiff must have suffered a “concrete” injury, and it clarified the standard for determining whether an alleged injury is sufficiently concrete.

With this decision, the Court did much to untangle the complex knot of interpretation and precedent that sprang up following its earlier, 2016 decision in Spokeo, Inc. v. Robins. This white paper features a deep dive into the Spokeo  and TransUnion  decisions, the Supreme Court's reasoning in each case, its roots in the Anglo-American legal tradition and the American Founding, and the implications of TransUnion  for civil litigation generally.

Originally Published by US Chamber of Commerce Institute for Legal Reform

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Mayer Brown is a global services provider comprising associated legal practices that are separate entities, including Mayer Brown LLP (Illinois, USA), Mayer Brown International LLP (England & Wales), Mayer Brown (a Hong Kong partnership) and Tauil & Chequer Advogados (a Brazilian law partnership) and non-legal service providers, which provide consultancy services (collectively, the "Mayer Brown Practices"). The Mayer Brown Practices are established in various jurisdictions and may be a legal person or a partnership. PK Wong & Nair LLC ("PKWN") is the constituent Singapore law practice of our licensed joint law venture in Singapore, Mayer Brown PK Wong & Nair Pte. Ltd. Details of the individual Mayer Brown Practices and PKWN can be found in the Legal Notices section of our website. "Mayer Brown" and the Mayer Brown logo are the trademarks of Mayer Brown.

© Copyright 2026. The Mayer Brown Practices. All rights reserved.

This Mayer Brown article provides information and comments on legal issues and developments of interest. The foregoing is not a comprehensive treatment of the subject matter covered and is not intended to provide legal advice. Readers should seek specific legal advice before taking any action with respect to the matters discussed herein.

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