Tiana Angelique Demas
Cooley LLP
- Address of record
- 110 N. Wacker Drive, 42nd Floo, Chicago, IL 60606-1511, (312) 881-6500
- tdemas@cooley.com
- Phone
- (312) 881-6500
- Fax
- Fax (312) 881-6598
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
Deliyannides v. Vimeo Video Content Dispute Class Action
A proposed class action has been filed against Vimeo.com, Inc. in federal court in Illinois. Based solely on the case caption and docket information provided, the specific allegations are not detailed in the available materials. The case is classified under "Other Statutory Actions," suggesting it may involve consumer or user disputes related to Vimeo's video platform services, though the precise legal claims cannot be determined from the limited docket entry information available.
- Filed
- February 20, 2026
- Represents
- Vimeo.com, Inc.
Roblox Child Sexual Exploitation and Assault Litigation
A proposed class action alleges that Roblox Corporation failed to adequately protect children using its online platform from sexual exploitation and assault. The case appears to involve claims that the company's platform and safety mechanisms allowed or facilitated harm to minors.
- Filed
- December 12, 2025
- Represents
- Roblox Corporation
Lemonade Data Disclosure Class Action
A proposed class action against Lemonade, Inc. appears to concern data disclosure. The case has been consolidated with similar actions under 'In re Lemonade, Inc. Data Disclosure Litigation.' The allegations have not been proven, and the case is at an early stage.
- Filed
- June 9, 2025
- Represents
- Lemonade, Inc.
Lemonade Data Disclosure Settlement
Lemonade, Inc. and Lemonade Insurance Agency, LLC experienced an unauthorized data exposure involving their online insurance quote platform between April 2023 and September 18, 2024. Personal information such as driver's license numbers was compromised, and affected individuals were notified in April and June 2025.
- Claim deadline
- September 8, 2026
- Represents
- Lemonade, Inc.
TikTok Product Liability Class Action
This is a proposed class action against TikTok Inc., apparently asserting personal injury and product liability claims. The named plaintiffs include individuals and a foundation, suggesting claims on behalf of consumers who allegedly suffered harm from TikTok’s product. The docket text does not detail the specific alleged defect, but the case appears to seek relief for ordinary users.
- Filed
- May 23, 2024
- Represents
- Alphabet Inc., XXVI Holdings Inc, Google LLC, YouTube LLC
AARP Video Privacy Protection Act Settlement
AARP allegedly violated the Video Privacy Protection Act by tracking and sharing video viewing data of AARP.org users with Facebook, without proper consent. The defendant denies no wrongdoing but has agreed to settle the lawsuit.
- Settlement fund
- $12.5M
- Claim deadline
- Represents
- AARP
“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.