Plaintiff counsel in 1 case

Jonathan R. Marko

Marko Law, PLLC

Address of record: 220 W. Congress, 4th Floor, Detroit, MI 48226, 313-777-7529
Email: jon@markolaw.com
Phone: (313) 777-7529
Fax: Fax 313-470-2011

Contact details as filed with the court in the cases below.

Cases tracked

1 active · 0 settled

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Plaintiff-side recovery

Disclosed settlement funds

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Defense-side exposure

Resolved in settlements

Cases with values

of 1 tracked

Case history

Publicly tracked matters where this attorney is listed as counsel.

Plaintiff counselActive litigation — no settlement yet

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

“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.