Barton Gilman LLP Data Breach – Investigated by Federman & Sherwood
Oklahoma City, Oklahoma (December 29, 2025) – Federman & Sherwood is investigating a data breach involving Barton Gilman LLP, following a notification filed with the Maine Attorney General.
According to the filing, Barton Gilman determined that personal information may have been removed from its network as a result of unauthorized access to its technology environment occurring between September 13, 2024, and September 26, 2024. The firm worked with third-party resources to investigate and review potentially impacted data.
The information potentially involved includes names, Social Security numbers, driver’s license numbers, identification numbers, dates of birth, and financial account information. Barton Gilman reported that approximately nine (9) Maine residents were affected. Notice was provided through written mailings, website postings, and media notification. Credit monitoring services were offered to affected individuals.
Federman & Sherwood is examining whether Barton Gilman took appropriate steps to safeguard sensitive personal information and whether affected individuals may be entitled to legal relief.
The compromised information may have included:
- Full name
- Social Security number
- Date of birth
- Driver’s license number
- Financial information
- Other sensitive information
What is Barton Gilman LLP?
Barton Gilman LLP is a Northeast-based law firm providing legal services for individuals, businesses, and institutions with offices throughout the United States.
Those seeking to learn more about their potential legal options following this data security event are encouraged to contact Federman & Sherwood by calling 1-800-237-1277 or emailing info@federmanlaw.com.