Oliver M. Kiefer
ZwillGen Law LLP
- Address of record
- 369 Pine Street, Suite 506, San Francisco, CA 94104, 202-296-3585
- Phone
- (202) 296-3585
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
Kim v. WP Company LLC
A proposed class action against WP Company LLC alleging fraud. Based on the nature of suit code alone, the specific allegations cannot be determined from the available docket information, but the case appears to involve claims of fraudulent conduct that could potentially affect consumers or account holders.
- Filed
- March 23, 2026
- Represents
- WP Company LLC
Shah v. Hilton Worldwide Holdings Inc. Fraud Class Action
A proposed class action filed against Hilton Worldwide Holdings Inc. alleging fraud under a general fraud nature of suit. Based on the caption alone, the specific allegations are unclear, though the case appears to concern conduct that could affect ordinary consumers or account holders of Hilton's hospitality services or loyalty program.
- Filed
- January 13, 2026
- Represents
- Hilton Worldwide Holdings Inc.
Doe v. CloudFlare Civil Rights Class Action
A proposed class action against CloudFlare, Inc. alleging civil rights violations. Based on the nature of suit code alone, the specific allegations are unclear, but this may involve claims relating to access, discrimination, or privacy practices affecting users or account holders of CloudFlare's services.
- Filed
- November 30, 2025
- Represents
- CloudFlare, Inc.
Porcuna v. Xandr Data Privacy Class Action
This proposed class action against Xandr, Inc. alleges claims under a statutory cause of action, likely involving consumer privacy or data practices. The specific allegations cannot be determined from the docket metadata alone, but the nature of suit and defendant profile suggest potential claims related to improper data collection, use, or disclosure affecting ordinary consumers.
- Filed
- September 2, 2025
- Represents
- Xandr, Inc.
PowerSchool Customer Data Breach Class Action
A proposed class action against PowerSchool Holdings, Inc. and PowerSchool Group, LLC, apparently concerning a customer data security breach. The case is pending as multidistrict litigation, and the allegations likely relate to the companies' handling of customer personal information.
- Filed
- April 8, 2025
- Represents
- PowerSchool Holdings, Inc., PowerSchool Group, LLC, Bain Capital, L.P.
Hilton Consumer Fraud Class Action
A proposed class action against Hilton Worldwide Holdings Inc., apparently concerning alleged fraud. The case is classified under 'Other Fraud', but no further docket text is available to specify the exact claims. These are allegations in a newly filed case, not proven facts and not a settlement.
- Filed
- January 31, 2025
- Represents
- Hilton Worldwide Holdings Inc.
McNamara v. Wells Fargo Free Trial Recurring Billing Settlement
Wells Fargo allegedly assisted the Apex Entities, Triangle Entities, and Tarr Entities by opening bank accounts for dozens of related companies and transferring millions of dollars into their third-party bank accounts. These entities misled consumers into monthly subscriptions and products. Wells Fargo denies all claims and wrongdoing.
- Settlement fund
- $33M
- Claim deadline
- March 4, 2026
- Represents
- John Sotoodeh
“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.