Shannon M. Barrett
O'Melveny & Myers LLP
- Address of record
- 1625 Eye Street, NW, Washington, DC 20006, 202-383-5300
- sbarrett@omm.com
- Phone
- (202) 383-5300
- Fax
- Fax 202-383-5414
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
Arechiga v. IBM - ERISA Class Action
This proposed class action against IBM alleges violations of ERISA (the Employee Retirement Income Security Act), which governs employee benefit plans. The nature of suit code indicates the case concerns claims related to employee retirement or other benefit plan administration. The lawsuit apparently seeks to represent employees or plan participants affected by IBM's alleged violations of their rights under ERISA.
- Filed
- October 31, 2025
- Represents
- International Business Machines Corporation, the Board of Directors of International Business Machines Corporation, the Retirement Plans Committee, IBM Retirement Funds
Ameriprise Financial Contract Class Action
A proposed class action against Ameriprise Financial, Inc., apparently concerning contract-related claims. The nature of suit is listed as 'Contract: Other,' but the docket text does not provide further detail. The allegations in the newly filed case are not proven.
- Filed
- January 22, 2025
- Represents
- Ameriprise Financial, Inc., Ameriprise Financial Services, LLC, Ameriprise Financial Services, Inc., American Enterprise Investment Services, Inc.
Ameriprise Financial Consumer Class Action
This appears to be a proposed class action against Ameriprise Financial, Inc., filed in the District of Minnesota. The docket lists the nature of suit as "Personal Property: Other" but provides no further detail about the specific allegations. Because the case was surfaced as a class-action complaint, it may involve consumer financial services or account holders, but the exact claims are unclear from the available metadata.
- Filed
- July 29, 2024
- Represents
- Ameriprise Financial, Inc., Ameriprise Financial Services, Inc., American Enterprise Investment Services, Inc., Ameriprise Financial Services, LLC.
General Electric ERISA Class Action
This is a proposed class action against General Electric Company under the Employee Retirement Income Security Act (ERISA). Based on the nature-of-suit code, the case appears to involve employee benefit plan issues, though specific allegations are not available from the caption.
- Filed
- June 28, 2024
- Represents
- Fiduciary Counselors, Inc.
AT&T ERISA Class Action
A proposed class action against AT&T Inc. and related entities, apparently concerning alleged violations of the Employee Retirement Income Security Act (ERISA) related to an employee retirement plan. The docket reflects a consolidated amended class action complaint, and defendants have filed motions to dismiss. These are allegations in a newly filed case, not proven facts and not yet a settlement.
- Filed
- March 11, 2024
- Represents
- AT&T Inc., AT&T Services, Inc.
“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.