Data Breach Law Group Investigates the Rainier Clinical Research Center Data Breach
By Data Breach Law Group | Posted on April 3, 2026 · Washington
Miami, FL — Data Breach Law Group is investigating a data breach involving Rainier Clinical Research Center, reported to the Washington Attorney General on April 3, 2026. The firm is reviewing whether affected individuals have legal claims arising from the incident.
Rainier Clinical Research Center is a healthcare and medical research organization that conducts clinical trials and manages patient health data. As part of their operations, they collect and store sensitive information including medical histories, diagnostic test results, treatment protocols, and personal identification records required for research participation. This data breach was officially reported to the Washington Attorney General in 2026, confirming that unauthorized access to their systems occurred. If you have received a formal data breach notification letter, it indicates that your personal or protected health information may have been compromised during this incident. We recommend reviewing the letter carefully to understand the specific steps the company is taking to assist you and how you can protect yourself from potential identity theft or medical fraud.
If you were affected
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
Did you receive a letter from Rainier Clinical Research Center?
A case review is free and confidential. Tell us about your letter and we will explain your options.