New court filings suggest Sony proactively shared its internal investigation of WPP rebate practices within the broader whistleblower case brought by former WPP executive Richard Foster, potentially upending WPP's bid to seal documents.
ReadingIf Sony's filing holds, discovery will expand beyond Foster's specific claims and into WPP's entire rebate architecture across its network. This shifts the case from internal dispute to structural audit.
WatchWhether Omnicom, Publicis, or Interpublic file their own discovery requests within 60 days. If they do, WPP's cost exposure moves from millions to potentially hundreds of millions.