Gary E. Mason
Mason LLP
- Address of record
- 5335 Wisconsin Avenue NW, Suite 640, Washington, DC 20015, 202-429-2290
- gmason@masonllp.com
- Phone
- (202) 429-2290
- Fax
- Fax 202-429-2294
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
Karwas v. New York Blood Center Enterprises
This proposed class action against New York Blood Center Enterprises involves allegations related to a contract matter. Without access to the complaint details, the precise nature of the allegations cannot be determined from the docket information available, though the case may involve claims concerning blood donation, services, or related contractual obligations affecting blood donors or patients.
- Filed
- September 19, 2025
- Represents
- Tomasz Karwas
Wood v. Bon Secours Mercy Health Class Action
A proposed class action against Bon Secours Mercy Health, apparently concerning a contractual dispute. The nature of suit code (Contract: Other) suggests allegations related to breach of contract or similar contractual claims affecting patients or account holders of the healthcare provider.
- Filed
- September 15, 2025
- Represents
- Holden Wood, Terrance Gunter
Zeta Global Data Privacy Class Action
A proposed class action has been filed against Zeta Global alleging data privacy violations. Based on the case caption and nature of suit, the lawsuit apparently concerns privacy-related claims arising from Zeta Global's data handling practices, though specific allegations are not detailed in the available docket information.
- Filed
- July 14, 2025
- Represents
- Diane Ayerdi
Brown v. Chicago Hotel Collection Class Action
A proposed class action filed against The Chicago Hotel Collection, LLC under a contract-related theory of liability. Without the full complaint text, the specific factual allegations cannot be determined from the docket metadata alone, but the case involves a dispute apparently concerning contractual obligations owed to class members who may include hotel guests or customers.
- Filed
- July 10, 2025
- Represents
- Dainca Brown
Balde v. Southwood Financial LLC
This proposed class action alleges claims against Southwood Financial LLC under various federal statutes. The specific allegations cannot be determined from the available docket information, but the case appears to involve financial practices that may affect consumers or account holders.
- Filed
- July 7, 2025
- Represents
- Nasir Le Sane
Sodexo Contract Class Action
A proposed class action has been filed against Sodexo, Inc. in the District of Maryland. The nature of suit is listed as 'Contract: Other,' but no further details about the alleged claims are available in the provided docket metadata.
- Filed
- April 24, 2025
- Represents
- Winston Snyder
Kelly Benefits Data Breach Class Action
A proposed class action against Kelly Benefits, apparently concerning a data breach affecting personal property. The litigation involves multiple plaintiffs and related cases that have been consolidated. The allegations concern a data breach, but these are allegations in a newly filed case, not proven facts and not yet a settlement.
- Filed
- April 22, 2025
- Represents
- Jacob Dohrman, Anne O'Brien
Greystar Real Estate Partners Class Action
A proposed class action against Greystar Real Estate Partners LLC, apparently concerning personal injury claims. The nature of suit is 'Other Personal Injury,' but the docket does not provide specific factual allegations beyond procedural entries.
- Filed
- February 14, 2025
- Represents
- Joseph Lopez
Chemonics International Contract Class Action
A proposed class action against Chemonics International, Inc. The complaint appears to assert claims for breach of contract, but the docket text does not specify the alleged wrongful conduct or the proposed class definition. The case has been consolidated with lead case 24-cv-3510.
- Filed
- February 7, 2025
- Represents
- DUEAA ELZIN
Center for Vein Restoration Data Breach Settlement
Center for Vein Restoration experienced a data breach between October 1 and October 6, 2024, in which unauthorized parties accessed or acquired private information of current and former patients. The compromised data included names, addresses, Social Security numbers, dates of birth, laboratory data, financial data, employee data, and business data.
- Settlement fund
- $3.5M
- Claim deadline
- October 21, 2025
- Represents
- Lee Conrad, Carla Jackson
Consulting Radiologists Contract Class Action
This is a proposed class action filed against Consulting Radiologists, Ltd. The case is docketed under Nature of Suit 190 (Contract: Other), and the caption indicates an individual plaintiff, Thomas, is suing the radiology practice. The allegations appear to involve contractual claims, but the specific details are not available from the docket text.
- Filed
- June 26, 2024
- Represents
- Joan Thomas
J.P. Morgan Chase Contract Class Action
A proposed class action against J.P. Morgan Chase & Co., apparently concerning contract-related claims. The nature of suit is listed as 'Contract: Other,' but no further details are available from the caption and docket metadata.
- Filed
- May 22, 2024
- Represents
- Daniel Walton
Fortra File Transfer Software Data Breach Settlement
Defendants used Fortra's file transfer service, which suffered a criminal cyberattack on or about January 30, 2023. The breach resulted in unauthorized access to approximately five million individuals' personal and health insurance information, including names, addresses, dates of birth, Social Security numbers, and health plan details. Defendants are paying $20 million to resolve claims arising from this data incident.
- Settlement fund
- $20M
- Claim deadline
- August 29, 2025
- Represents
- Robert Taylor
TMX Data Security Settlement
TMX Finance Corporate Services, Inc. and TMX Finance LLC experienced a data security breach that accessed, stole, impacted, or compromised customers' personal information. TMX is settling claims related to this data breach without admitting wrongdoing.
- Claim deadline
- August 6, 2025
- Represents
- Michael Williams
Mena Regional Health System Data Incident Settlement
A targeted cyberattack on Mena Regional Health System's computer systems occurred on or about November 8, 2022, in which certain files containing private information were accessed. The compromised data included full names, dates of birth, social security numbers, driver's license/government ID numbers, financial account information, and detailed medical information. Mena denies all claims and wrongdoing but agreed to settle to avoid the costs and risks of continuing the litigation.
- Claim deadline
- June 12, 2025
- Represents
- Tananda Smith
Blue Cross Blue Shield Antitrust Settlement
Blue Cross Blue Shield companies allegedly violated antitrust laws by entering into an agreement not to compete with each other and to limit competition among themselves in selling health insurance and administrative services. The defendants deny wrongdoing and claim their conduct results in lower healthcare costs and greater access to care. The parties settled to avoid the risk and cost of further litigation.
- Settlement fund
- $2.7B
- Claim deadline
- November 5, 2021
- Represents
- Plaintiffs' Counsel
“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.