CClaimWatch
Plaintiff counsel in 4 cases

Rio Pierce

HAGENS BERMAN SOBOL SHAPIRO LLP

Address of record
715 Hearst Avenue, Suite 300, Berkeley, CA 94710, 510-725-3042
Email
riop@hbsslaw.com
Phone
(510) 725-3042

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

5
Cases tracked
5 active · 0 settled
—
Plaintiff-side recovery
Disclosed settlement funds
—
Defense-side exposure
Resolved in settlements
0
Cases with values
of 5 tracked

Case history

Publicly tracked matters where this attorney is listed as counsel.

Plaintiff counselActive litigation — no settlement yet

Flauto v. Valve Corporation

A proposed class action has been filed against Valve Corporation in federal court in Washington. The specific allegations are not detailed in the available docket information, though the nature of suit code (890) indicates this involves statutory claims outside the standard federal categories. The case may concern consumer product issues, software services, or other consumer-facing practices by Valve.

Filed
March 9, 2026
Represents
Alexander Flauto, Jackson Meyer
Plaintiff counselActive litigation — no settlement yet

Keel v. Charles Rutenberg Realty Antitrust Class Action

This proposed class action alleges antitrust violations by Charles Rutenberg Realty, Inc. The complaint apparently concerns practices that may affect consumers in the real estate market, though specific allegations cannot be determined from the caption alone. The case was filed in the Western District of Missouri in September 2025.

Filed
September 26, 2025
Represents
Jeremy Keel, Jerod Breit, Hollee Ellis, Frances Harvey, Rhonda Burnett, Don Gibson, Lauren Criss, John Meiners, Daniel Umpa, Christopher Moehrl, Michael Cole, Steve Darnell, Jack Ramey, Jane Ruh
Plaintiff counselActive litigation — no settlement yet

Washington Fine Properties Antitrust Class Action

This is a proposed class action against Washington Fine Properties LLC. The nature of suit is antitrust, indicating allegations of anticompetitive conduct. No further details are available from the docket.

Filed
January 27, 2025
Represents
Jeremy Keel, Jerod Breit, Hollee Ellis, Frances Harvey, Rhonda Burnett, Don Gibson, Lauren Criss, John Meiners, Daniel Umpa, Christopher Moehrl, Michael Cole, Steve Darnell, Jack Ramey, Jane Ruh
CounselActive litigation — no settlement yet

Yardi Rent Price-Fixing Class Action

A proposed class action against Yardi Systems Inc., apparently concerning antitrust violations in the rental housing market. Based on the docket, the case has been consolidated with related actions naming property management companies, suggesting allegations of coordinated rental pricing. These are allegations in a newly filed case, not proven facts.

Filed
December 11, 2024
Represents
McKenna Duffy, Brett Michael
Plaintiff counselActive litigation — no settlement yet

CoStar Group Hotel Antitrust Class Action

A proposed class action against CoStar Group Inc appears to concern antitrust claims, as indicated by the nature of suit. Docket entries also name hotel companies such as Hilton and Accor as defendants, suggesting the case may involve alleged anticompetitive conduct affecting hotel pricing or distribution. The allegations are unproven and the case is ongoing.

Filed
February 20, 2024
Represents
Freddy Barajas, Heriberto Valiente, David Concepcion, Daniel Kassl, Daniel Smith, Jeanette Portillo, Alicia Coakley

“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.