Erik Johnson
Stinar Lannen, PLLC
- Address of record
- Litigation, 280 W. Maple Rd., Ste. 230, Birmingham, MI 48009, 248-565-2690
- Phone
- (248) 565-2690
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
Keffer Development Services Data Security Breach Class Action
This proposed class action alleges that Keffer Development Services, LLC suffered a data security breach affecting personal information of ordinary people. The case has been filed as a multidistrict litigation (MDL), indicating multiple related claims based on the security incident.
- Filed
- August 8, 2025
- Represents
- Jane Doe 25-10806, Jane Doe 25-10855, McKenzie Johnson, Sarah Caldarola, Jenna Schilling, Jane Roe 25-10870, Jane Doe 25-10876, Jane Doe 25-10951, Jane Doe 25-10946, Jane Doe 25-10988, Jane Doe 25-10999
University of Michigan Data Breach Class Action
A proposed class action against Weiss and several University of Michigan officials, apparently related to a data security incident or privacy breach, as suggested by the involvement of the university's information security and IT leadership and the fraud nature of suit. The case is being coordinated with other similar 'Weiss/Keffer' cases in multidistrict litigation. These are allegations in a newly filed case and have not been proven.
- Filed
- March 21, 2025
- Represents
- Jane Doe, Jane Doe 25-10855, McKenzie Johnson, Sarah Caldarola, Jenna Schilling, Jane Roe 25-10870, Jane Doe 25-10876, Jane Doe 25-10951, Jane Doe 25-10946, Jane Doe 25-10988, Jane Doe 25-10999
“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.