Ryan C. Chapman, Assistant U.S. Attorney
- Address of record
- Zimmerman Reed, LLP, 14646 N Kierland Boulevard, Suite 130, Scottsdale, AZ 85254
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
Rios v. HRB Digital Class Action
A proposed class action against HRB Digital, LLC and co-defendants has been filed in the Ninth Circuit Court of Appeals. The specific allegations cannot be determined from the limited docket information available, though HRB Digital's involvement in tax preparation and financial services suggests the claims may relate to consumer financial practices, data handling, or service-related disputes.
- Filed
- November 14, 2025
- Represents
- PEDRO RIOS, JR., CHRISTIAN MARQUEZ, individually, and on behalf of those similarly situated
Blackstone Medical Services Telephone Consumer Protection Act Class Action
A proposed class action against Blackstone Medical Services under the Telephone Consumer Protection Act. The lawsuit apparently concerns allegations related to telephone communications practices, potentially involving unwanted calls, texts, or other telecom violations affecting consumers. This is a newly filed case and the allegations have not yet been proven.
- Filed
- August 12, 2025
- Represents
- BLACKSTONE MEDICAL SERVICES, SETH STEIDINGER, NATASHA KOLLER, JOSEPH JONES
Kristi Noem Immigration Enforcement Class Action
This appears to be an appeal in a putative class action against federal officials, including Kristi Noem, Kash Patel, Pamela Bondi, and U.S. Immigration and Customs Enforcement. The appellees include individual immigrants and organizations such as United Farm Workers of America and Coalition for Humane Immigrant Rights, suggesting the case concerns immigration enforcement and the rights of immigrant workers. The available docket text does not detail the specific allegations.
- Filed
- July 14, 2025
- Represents
- KRISTI NOEM, Secretary, Department of Homeland Security, PAMELA BONDI, ATTORNEY GENERAL, U.S. Attorney General, UNITED STATES IMMIGRATION AND CUSTOMS ENFORCEMENT, TODD M. LYONS, Acting Los Angeles Field Office Director, Immigration and Customs Enforcement, RODNEY S. SCOTT, In his official capacity as Commissioner, U.S. Customs and Border Patrol, MICHAEL W. BANKS, In his official capacity as Chief of U.S. Border Patrol, KASH PATEL, In his official capacity as Director, Federal Bureau of Investigation, ERNESTO SANTACRUZ, JR., In his official capacity as Acting Field Office Director for Los Angeles, U.S. Immigration and Customs Enforcement, EDDY WANG, Special Agent in Charge for Los Angeles, Homeland Security Investigations, U.S. Immigration and Customs Enforcement, GREGORY K. BOVINO, In his official capacity as Chief Patrol Agent for El Centro Sector of the U.S. Border Patrol, JEFFREY D. STALNAKER, In his official capacity as Acting Chief Patrol Agent, San Diego Sector of the U.S. Border Patrol, AKIL DAVIS, In his official capacity as Assistant Director in Charge, Los Angeles Office, Federal Bureau of Investigation, BILAL A. ESSAYLI, In his official capacity as U.S. Attorney for the Central District of California
Paycor Biometric Privacy Class Action
This appears to be a proposed class action against Paycor, Inc. under the Illinois Biometric Information Privacy Act, apparently alleging that Paycor collected or used biometric information without proper consent in connection with payroll or HR services. The docket reflects a dispute over whether individual issues of consent predominate, and notes that summary judgment will address whether employer-obtained consents could discharge Paycor’s obligations under the Act.
- Filed
- June 18, 2025
- Represents
- KELLIN JOHNS, JUAN BARRON
“Recovery” and “exposure” refer to total disclosed settlement funds in associated cases, not money personally won or lost by an attorney. Settlements generally resolve disputed allegations without a finding that either side won. Data comes from public court dockets and may be incomplete.