Plaintiff counsel in 1 case

Joseph O. Masterman

Cooper Masterman PLLC

Address of record: 1717 Pennsylvania Avenue, N.W., Suite 1025, Washington, DC 20006, 202-866-0171
Email: joe@cooperlawpartners.com
Phone: (202) 866-0171

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

Roblox Child Sexual Exploitation and Assault Litigation

A proposed class action alleges that Roblox Corporation failed to adequately protect children using its online platform from sexual exploitation and assault. The case appears to involve claims that the company's platform and safety mechanisms allowed or facilitated harm to minors.

Filed: December 12, 2025
Represents: Mary Doe

“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.