SERGEI LEMBERG
Lemberg Law LLC
- Address of record
- 43 DANBURY ROAD, WILTON, CT 06897, 203-653-2250
- Phone
- (203) 653-2250
- Fax
- Fax 203-653-3424
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
General Motors Automotive Class Action
A proposed class action was filed against General Motors LLC in federal court. The complaint appears to involve contract-related claims concerning GM vehicles, based on the nature of suit listed as Contract: Other. The allegations are not yet proven, and this is a newly filed case, not a settlement.
- Filed
- October 6, 2026
- Represents
- Stephanie Fehrmann, Jeff Mellinger, Rachel Solak, Alexie Wise, Stephen Worthington, Marlene Jennis
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
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
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
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
Newsmax Media TCPA Class Action
A proposed class action against Newsmax Media, Inc., apparently concerning alleged violations of the Telephone Consumer Protection Act. The case appears to involve claims related to unsolicited calls or text messages, though specific facts are not available from the docket. These are allegations in a newly filed case, not proven facts and not yet a settlement.
- Filed
- March 11, 2025
- Represents
- Carl Butkus
Volkswagen Consumer Fraud Class Action
A proposed class action against Volkswagen Group of America, apparently concerning fraud claims. The docket reflects multiple individual plaintiffs and procedural activity including the voluntary dismissal of one plaintiff's claims without prejudice. These are allegations in a newly filed case, not proven facts and not yet a settlement.
- Filed
- December 16, 2024
- Represents
- CALVIN WESTLUND, MARIA LYDIA MARTINEZ, SCOTT WORTHINGTON, JAE YOUNG CHOI, AMANDA DELONG, BRIAN CRAMER
American Honda Motor Co. Consumer Class Action
This is a proposed class action against American Honda Motor Co., Inc. The nature of suit is 'Contract: Other,' suggesting allegations related to contractual obligations, though the specific claims are not detailed in the docket. The case has progressed through motion practice, with the court denying in part a motion to dismiss but finding the named plaintiff lacks standing for injunctive relief.
- Filed
- December 16, 2024
- Represents
- Alec Plotts, Marc Caine, Leticia Rivera
Piping Rock Health Products Contract Class Action
This is a newly filed proposed class action against Piping Rock Health Products, LLC. The lawsuit appears to involve a contract-related claim, though the specific allegations are not described in the docket metadata. These are allegations only, not proven facts, and no settlement has been reached.
- Filed
- December 6, 2024
- Represents
- Andrea Greene
Subaru of America Consumer Class Action
A proposed class action against Subaru of America, Inc., apparently concerning consumer claims related to Subaru vehicles. The provided docket text contains only procedural entries, so the specific allegations are not detailed. The allegations are unproven and no settlement is indicated.
- Filed
- September 20, 2024
- Represents
- KATELYN ROBINSON, Ricardo Chaidez, MICHAEL BRENNER, Michelle Anders, JESSICA TAYLOR
Jaguar Land Rover Consumer Class Action
A proposed class action against Jaguar Land Rover North America, LLC, apparently concerning vehicle-related contract or warranty claims. The docket indicates the case was consolidated and involves individual plaintiffs, but the available text does not specify the exact defect or issue.
- Filed
- September 16, 2024
- Represents
- STEPHEN SEIBER, CHRIS ROBINSON, PAMELA HUGHES
Jaguar Land Rover Automotive Class Action
A proposed class action against Jaguar Land Rover Automotive PLC, apparently concerning contract claims. The case was filed in the District of New Jersey, and the nature of suit is listed as Contract: Other. Exact allegations are unavailable from the docket metadata, but the matter appears to involve consumer contracts with the vehicle manufacturer.
- Filed
- July 18, 2024
- Represents
- JASON RAINS, DAVID CERUTTI, PAIGE BISHOP, CARLOS GUIDORIZZI, HEATHER RICHARDS, BRIAN GRESH
Nutricost Class Action
This is a proposed class action against Nutricost. The available docket text does not specify the alleged conduct, but the nature of suit is Contract: Other. The case was stayed pending a companion case in the Eastern District of New York and later dismissed without prejudice.
- Filed
- June 18, 2024
- Represents
- Anastasia Kurtz
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
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.