Derek William Loeser
Keller Rohrback LLP
- Address of record
- 1201 3rd Ave, Suite 3400, Seattle, WA 98101, 206-623-1900
- Phone
- (206) 623-1900
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
G.G. v. Roblox Corporation Class Action
A proposed class action filed on behalf of G.G. (represented through guardian Omar Guerra) against Roblox Corporation. The nature of suit classification (Personal Property: Other) suggests allegations concerning property-related claims, potentially involving virtual items, in-game currency, or platform transactions, though specific allegations are not available from the docket metadata provided.
- Filed
- November 21, 2025
- Represents
- G.G., I.C., L.M., W.E.
T-Mobile 2021 Data Breach Settlement
T-Mobile suffered a cyber-attack in August 2021 that exposed the personal information of more than 76 million customers, including full names, dates of birth, Social Security numbers, and drivers' license information of current, former, and prospective customers. T-Mobile agreed to pay $350 million to compensate class members and invest an additional $150 million in data security improvements.
- Settlement fund
- $350M
- Claim deadline
- January 23, 2023
- Represents
- Devon Avery, Blondel Garner, Brian Hayes, Daniel Moon, Timothy Ryan, John G Cooke, Peter Luna, Leotha Scott-Boone
“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.