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Rainier Clinical Research Center Data Breach

State
Washington
Reported
Apr 3, 2026

Rainier Clinical Research Center, a medical research organization based in Washington, recently reported a data security incident to the state's Attorney General on April 3, 2026. While the exact nature of the breach remains unspecified, the center confirmed that sensitive personal and health information was compromised due to unauthorized activity within its systems or those of a third-party vendor.

The compromised data potentially includes a range of highly personal details such as Full Name, Date of Birth, Social Security Number, Medical Record Number, Clinical Trial Participation History, Health Insurance ID Number, Diagnosis and Treatment Information, and Contact Information. The exposure of such comprehensive medical and personal identifiers carries significant risks, including potential medical identity theft, fraudulent insurance claims, and targeted scams that leverage an individual's specific health profile.

As an entity handling protected health information, Rainier Clinical Research Center is subject to strict regulations like HIPAA and the Washington Health My Data Act. These laws require robust safeguards to protect patient data. A breach often suggests a failure to uphold these security responsibilities, potentially exposing the organization to legal accountability for not adequately protecting the data entrusted to its care by clinical trial participants.

If you received a data breach notification letter from Rainier Clinical Research Center, it is an official acknowledgment that your private information was indeed compromised. You do not necessarily need to have experienced direct financial loss or identity theft to have a potential claim. The mere unauthorized access to your sensitive data can form the basis for pursuing legal remedies. Our firm is currently investigating potential class action claims related to this incident and offers a free case review for affected individuals to explore their options.

Information exposed

  • Full Name
  • Date of Birth
  • Social Security Number
  • Medical Record Number
  • Clinical Trial Participation History
  • Health Insurance ID Number
  • Diagnosis and Treatment Information
  • Contact Information

Got a letter from Rainier Clinical Research Center?

A licensed data breach attorney will review your situation for free. No fee unless you recover.

Reviewed by David S. Harris, Esq., Law Office of David S. Harris · Florida Bar No. 0112739. About the firm

Source: Washington attorney general breach filing