Katherine Marie Aizpuru
Tycko & Zavareei LLP
- Address of record
- 2000 Pennsylvania Avenue NW, #1010, Washington, DC 20006, 202-973-0900
- kaizpuru@tzlegal.com
- Phone
- (202) 973-0900
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
Quince Pricing Class Action
This proposed class action alleges pricing-related claims against Quince (Last Brand, Inc.), apparently concerning allegations that the company engaged in unlawful or deceptive pricing practices. The specific allegations are not detailed in the caption alone, but the case involves ordinary consumers who purchased products from Quince.
- Filed
- November 13, 2025
- Represents
- Allyssa Andrews, Seamus Pugh
Sdoucos v. Bank of America Fraud Class Action
This proposed class action alleges that Bank of America committed fraud against customers or account holders. The specific nature of the alleged fraudulent conduct is not detailed in the available docket information, but the case is classified under general fraud statutes. Ordinary consumers with Bank of America accounts could plausibly be class members if the fraud allegations involve standard banking practices or account management.
- Filed
- November 11, 2025
- Represents
- Nicholas Sdoucos
Kalshi Sports Prediction Market Class Action
A proposed class action alleges violations related to Kalshi's sports prediction market operations. The case involves ordinary users who participated in the platform, apparently raising concerns about regulatory compliance or unfair trading practices in the prediction market context.
- Filed
- October 16, 2025
- Represents
- Daniel Yee
Armstrong v. Amazon.com Inc
A proposed class action against Amazon.com Inc concerning contract-related claims. Without the complaint details, the specific allegations cannot be determined from the docket metadata alone, but the contract-based nature of suit suggests potential claims affecting ordinary consumers or account holders.
- Filed
- September 22, 2025
- Represents
- Cathy Armstrong, Oluwa Fosudo
Underdog Fantasy Sports Class Action
A proposed class action against Underdog Sports, LLC, which operates the Underdog Fantasy sports platform. The complaint, identified as Head v. Underdog Sports, apparently concerns practices or conduct related to the fantasy sports service, though specific allegations cannot be determined from the docket information provided. This newly filed case seeks to represent a class of consumers who used or were affected by the platform.
- Filed
- July 1, 2025
- Represents
- O'Sean Head
DraftKings Class Action
This is a proposed class action against DraftKings, Inc., apparently concerning alleged violations of federal law. The available docket entries do not describe the specific claims. The allegations have not been proven.
- Filed
- June 1, 2025
- Represents
- Zhicheng Zhen
Viagogo Consumer Fraud Class Action
This is a proposed class action against Viagogo Inc. The named plaintiffs Robert Berlinger, Danny Collins, and David Stockton assert fraud-related claims on behalf of themselves and others similarly situated. The court has granted Viagogo's motion to compel arbitration and stay the claims, but the underlying allegations have not been proven.
- Filed
- May 23, 2025
- Represents
- Robert Berlinger, Danny Collins, David Stockton
ProctorU California Bar Exam Litigation
A proposed class action against ProctorU, apparently concerning the company's provision of online proctoring services for the California Bar Exam. Based on the limited caption information, the lawsuit appears to involve contract-related claims, potentially including privacy or data handling issues. These are allegations in a newly filed case, not proven facts and not yet a settlement.
- Filed
- February 27, 2025
- Represents
- Laura Perjanik, Samuel McClain, Victoria Tulsidas, Katrina McDowell, Trisha A.M.
Capital One Financial Contract Class Action
A proposed class action against Capital One Financial Corporation, apparently concerning contract claims under Nature of Suit 190 (Contract: Other). The docket text does not specify the underlying allegations, but the case appears to involve individual plaintiffs Randy Ferrell, Ana Frye, and Daniel Zepeda. These are allegations in a newly filed case, not proven facts and not yet a settlement.
- Filed
- January 18, 2025
- Represents
- Randy Ferrell, Ana Frye, Daniel Zepeda
Boston Children's Health Physicians Contract Class Action
A proposed class action was filed against Boston Children's Health Physicians, LLP, apparently involving contract claims under Nature of Suit 190. The available docket text does not describe the specific allegations, and includes a notice of voluntary dismissal without prejudice. These allegations, if any, are not proven facts.
- Filed
- October 25, 2024
- Represents
- Diane Young
Evolve Bank & Trust Data Breach Settlement
Evolve Bank & Trust experienced unauthorized access to its information systems in February and May 2024, affecting personal banking customers and Evolve FinTechs customers. Private information including names, dates of birth, Social Security numbers, driver's license numbers, bank account numbers, and contact information were included in files affected by the data incident. The defendant denies any wrongdoing.
- Claim deadline
- October 30, 2025
- Represents
- Jodi McLaughlin
NewRez Consumer Contract Class Action
A proposed class action against NewRez LLC, apparently concerning mortgage servicing or loan contract issues. The allegations are based on a recently filed complaint and have not been proven.
- Filed
- September 24, 2024
- Represents
- Eugenio Alvarez
Safeway Fraud Class Action
A proposed class action was filed against Safeway, Inc., with the nature of suit listed as 'Other Fraud.' The docket text indicates the case has progressed to a third amended complaint, but it does not disclose the specific fraud allegations. The lawsuit appears to concern alleged fraudulent conduct by Safeway affecting consumers.
- Filed
- September 18, 2024
- Represents
- Michael Tempest, Ladiamond Harvey, Sarah McGregor Horner, Brionna Brouhard, Hillary Beam, Kerry McCarty, Christopher Lundt
Warehouse Home Furnishings Distributors Class Action
This new case appears to be a putative class action against Warehouse Home Furnishings Distributors, Inc. The docket classifies it as an 'Other Statutory Action,' but the available metadata does not describe the specific statutory claims or alleged harm. The first docket entry is unavailable, so the precise allegations—which are not proven—are not stated here.
- Filed
- August 13, 2024
- Represents
- Gary Surgeon
Cencora/The Lash Group Data Security Incident Settlement
On February 27, 2024, Cencora disclosed that its information systems had been improperly accessed by unknown parties. The data breach exposed Personal Information including names, addresses, Social Security numbers, health and insurance information, financial account information, and other sensitive data. Cencora has agreed to pay $40,000,000 and implement enhanced data and information security measures to resolve claims arising from this incident.
- Settlement fund
- $40M
- Claim deadline
- January 19, 2026
- Represents
- BONNIE COLLINS-WHITE
Lurie Children's Hospital Data Breach Class Action
A proposed class action against Lurie Children's Hospital, apparently concerning a data security incident. The case alleges the hospital failed to protect personal information, potentially affecting patients and others. These are allegations in a newly filed case, not proven facts and not a settlement.
- Filed
- June 28, 2024
- Represents
- A.D., N.D., I.D., N.S.D.
Frontier Data Breach Class Action Settlement
Frontier Communications Parent, Inc. suffered a data breach detected on or about April 14, 2024, in which an unauthorized third party may have gained access to files containing private information (names, dates of birth, Social Security numbers, and other personally identifiable information) of individuals who applied to Frontier for residential services. The company detected the breach and notified affected individuals in or around June 2024.
- Settlement fund
- $5.6M
- Claim deadline
- October 27, 2025
- Represents
- Patrick Mays
“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.