CClaimWatch
Plaintiff counsel in 6 cases

SERGEI LEMBERG

LEMBERG LAW LLC

Address of record
43 DANBURY ROAD, WILTON, CT 06897, 203-653-2250
Email
slemberg@lemberglaw.com
Phone
(203) 653-2250
Fax
Fax (203)653-3424

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

6
Cases tracked
4 active · 2 settled
$1.8M
Plaintiff-side recovery
Disclosed settlement funds
—
Defense-side exposure
Resolved in settlements
1
Cases with values
of 6 tracked

Case history

Publicly tracked matters where this attorney is listed as counsel.

Plaintiff counselActive litigation — no settlement yet

Custer v. American Honda Motor Co. Contract Class Action

A proposed class action against American Honda Motor Co., Inc. apparently concerning a contractual dispute. The nature of suit is listed as contract-related, suggesting allegations that Honda breached an obligation owed to consumers or purchasers, though specific details of the alleged breach are not available from the docket entries provided.

Filed
March 2, 2026
Represents
ASHLEY CUSTER, JORGE SANTIAGO, Timothy Callaway, Robert Guirguis, Alan Gonzalez, Marcus Lopes, Michael Attaalla, Michael Gallino, CURTIS LEWIS
Plaintiff counselActive litigation — no settlement yet

Hard Eight Nutrition Consumer Contract Class Action

A proposed class action against Hard Eight Nutrition LLC concerning alleged contract violations or breaches. The case involves ordinary consumers and relates to the company's nutritional products or services, though the specific nature of the contractual dispute is not detailed in the available docket information.

Filed
January 26, 2026
Represents
Kemi Ade
Plaintiff counselActive litigation — no settlement yet

Barron v. General Motors Vehicle Contract Class Action

A proposed class action filed against General Motors LLC involving contract-related claims. While the docket metadata does not provide detailed allegations, this appears to concern disputes between consumers and the automaker regarding vehicle contracts or related terms.

Filed
October 2, 2025
Represents
ERIC BARRON, CHELSEY THOMPSON, Simon Moeller
Plaintiff counselActive litigation — no settlement yet

Ember Technologies TCPA Class Action

A proposed class action against Ember Technologies, Inc., apparently concerning alleged violations of the Telephone Consumer Protection Act, such as unsolicited calls or text messages to consumers. The allegations are based on the case caption and docket information and have not been proven.

Filed
May 2, 2025
Represents
Michael Gutman
Plaintiff counselSettled — claims closed

Magnesium Supplement Settlement

Nutricost sold Magnesium Glycinate Supplements marketed as containing 420 mg of magnesium "as magnesium glycinate" when they allegedly did not contain that amount or form. Nutricost denies any wrongdoing and denies violating any state or federal law.

Settlement fund
$1.8M
Claim deadline
August 7, 2026
Represents
Dalit Cohen, Anastasia Kurtz, Tina Scott, Paige Vasseur
Plaintiff counselSettled — claims closed

Mazda Valve Stem Seal Settlement

Certain 2021-2022 Mazda vehicles equipped with 2.5L turbocharged engines allegedly contained defective valve stem seals that caused excessive oil consumption. The defect was caused by damage to the valve stem seals on the exhaust side of the engine. Mazda denies any wrongdoing but has agreed to settle to avoid litigation costs and provide relief to class members.

Claim deadline
October 8, 2025
Represents
Gary Guthrie, Stephanie Crain, Chad Hinton, Julio Zelaya, Anna Gilinets, Marcy Knysz, Lester Woo

“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.