Mass Tort brief
UK Class Action Rules Face Overhaul as Global Mass Torts Diverge
London courts refine group litigation boundaries while record developer settlements and US medical device verdicts reshape global liability exposure.
Mass Tort
Reckitt's defense verdict in the first federal formula trial lifts a major legal overhang — paving the way for its planned Mead Johnson divestment.
BackgroundReckitt and competitor Abbott Laboratories face hundreds of lawsuits alleging that specialized infant formulas caused necrotizing enterocolitis in premature infants. Previous state court verdicts against manufacturers had erased billions from Reckitt's market valuation.
- The federal jury rejected claims that Enfamil Premature formula caused a premature infant's fatal intestinal illness, setting a strong precedent for pending federal claims.
- Shares in London-listed parent company Reckitt Benckiser jumped over 4% following the decision, reflecting relief among investors over potential liability risks.
- More than 800 complaints remain consolidated in the federal multidistrict litigation before Senior Judge Rebecca Pallmeyer, with settlement negotiations ongoing.
Mass Tort
Google's £260m Play Store settlement marks the largest UK collective action payout to date — demonstrating the growing power of the CAT class action regime.
BackgroundThe class action was brought under the UK's expanded collective proceedings regime on behalf of thousands of UK software developers. The settlement marks the largest monetary recovery achieved to date under the Competition Appeal Tribunal framework.
- The deal includes a £160 million compensation fund for UK developers and £100 million for legal costs, representing a historic payout in British class litigation.
- The Competition Appeal Tribunal will hold a formal settlement approval hearing on 15 September 2026 to review distribution terms and fund administration.
- The suit alleged Google's 30% Play Store commission constituted anti-competitive abuse of dominance, echoing similar regulatory challenges across Europe.
Mass Tort
The UK Supreme Court's GLO ruling reinforces the binding nature of test cases — preventing individual claimants from re-litigating group actions.
BackgroundGroup Litigation Orders allow English courts to manage thousands of similar individual claims by trying representative test cases. Litigators had sought greater flexibility to re-argue individual cases when test outcomes proved unfavorable to specific subgroups.
- The ruling restricts judicial discretion to disapply test case outcomes under Civil Procedure Rule 19.23, cementing early trial decisions across whole action registers.
- The Justices emphasized that test case determinations must remain binding to preserve litigation efficiency and discourage speculative secondary claims.
- The decision provides procedural clarity for UK commercial, environmental, and product liability mass claims seeking to streamline group action disputes.
Mass Tort
The government's proposed class action reforms seek to raise certification standards — curbing speculative, funder-driven mass claims before the CAT.
BackgroundThe UK's collective action regime has expanded rapidly, leading to major opt-out claims against big tech firms and commercial operators. Business groups have lobbied ministers to curb speculative litigation funded by private third-party litigation finance funds.
- Proposals introduce an absolute suitability threshold for class actions before the Competition Appeal Tribunal, tightening criteria for representative status.
- Reforms would mandate cost-benefit assessments prior to granting opt-out class certification, forcing funders to prove economic viability early.
- The government is considering tribunal filing fees to deter speculative mass legal claims and reduce administrative strain on commercial courts.
Mass Tort
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