Andrianna Deanne Kastanek
Jenner & Block LLP
- Address of record
- Illinois, 353 N. Clark St., Chicago, IL 60654, 312-840-7285
- AKastanek@jenner.com
- Phone
- (312) 840-7285
- Fax
- Fax 312-853-7036
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
General Mills, Kellanova, Mars & McKee Foods Antitrust Class Action
A proposed class action alleging antitrust violations by major food manufacturers. The case involves General Mills, Kellanov, Mars, Incorporated, and McKee Foods Corporation, apparently concerning alleged anticompetitive conduct in the food products industry. Ordinary consumers purchasing packaged food products could plausibly be class members if the lawsuit alleges price-fixing, market allocation, or other collusive practices affecting consumer prices.
- Filed
- September 4, 2026
- Represents
- General Mills, Inc., Kellanova, Mars, Incorporated, McKee Foods Corporation
SAS Institute Extended Stay Hotel Antitrust Class Action
A proposed class action apparently concerning antitrust and fraud allegations related to extended stay hotels. SAS Institute Inc. is identified in the docket as a party and has filed a motion to dismiss. The allegations are unproven and no settlement is indicated.
- Filed
- December 16, 2024
- Represents
- Hyatt Hotels Corporation
Extended Stay Hotel Antitrust Class Action
This appears to be a proposed class action concerning alleged antitrust violations in the extended-stay hotel industry. Based on the caption, the lawsuit likely alleges that operators of extended-stay hotels engaged in anticompetitive conduct, such as price-fixing or collusion, harming consumers who paid for extended-stay accommodations. These are allegations in a newly filed case, not proven facts and not yet a settlement.
- Filed
- July 24, 2024
- Represents
- Hyatt Hotels Corporation
Amadeus IT Group Antitrust Class Action
A proposed class action against Amadeus IT Group, S.A., apparently concerning alleged antitrust violations. No further specifics are provided in the caption or docket entry.
- Filed
- March 1, 2024
- Represents
- Hyatt Hotels Corporation, Hyatt Corporation
“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.