Tracking the most important health care lawsuits in U.S. courts today
October 2, 2026 | Federal court allows unions to continue antitrust lawsuit against NewYork-Presbyterian
This important alert links to ‘UFCW Local 1500 Welfare Fund v. The New York and Presbyterian Hospital’How the Litigation Tracker Works
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Search for a lawsuit or issue Browse more than 430 cases across 9 issues
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Explore court filings Access our extensive library of curated court filings
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Subscribe for the latest Get real-time case updates
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Dive even deeper Read our expert analysis
Issues We’re Tracking
- 340B Program 21 cases
- Equity 53 cases 1 Topics
- Federal Health Funding 59 cases 5 Topics
- Health Care Affordability 64 cases 8 Topics
- Medicare Advantage 38 cases 5 Topics
- Prescription Drug Pricing 42 cases 5 Topics
- Private Health Insurance 115 cases 13 Topics
- Reproductive Health 54 cases 5 Topics
- Transparency and Quality 9 cases

Our Team
We created the Health Care Litigation Tracker to make it easier to monitor the cases you care about and understand how courts are shaping health policy.

Katie Keith
Director of the Center for Health Policy and the Law at the O’Neill Institute

Andrew J. Twinamatsiko
Director of the Center for Health Policy and the Law at the O’Neill Institute
Latest Updates
- Status
- Briefing is ongoing
- Court
- Fifth Circuit
- Goal
- Block enforcement of an agency action +2 additional goal(s)
25-2231
American Association of University Professors-Harvard Faculty Chapter et al. v. Department of Justice et al.
- Filed:
- December 18, 2025
- Status
- Briefing is ongoing
- Court
- First Circuit
- Goal
- Block enforcement of an agency action +1 additional goal(s)
25-2230
President and Fellows of Harvard College v. Department of Health and Human Services et al.
- Filed:
- December 18, 2025
- Status
- Briefing is ongoing
- Court
- First Circuit
- Goal
- Block enforcement of an agency action +1 additional goal(s)
- Status
-
Decision issued
Motion for Preliminary Injunction Granted in Part
- Court
- Illinois Northern — Eastern
- Goal
- Block enforcement of an agency action +2 additional goal(s)
1:25-cv-10734
Pacific Inpatient Medical Group Inc. et al. v. Zelis Healthcare LLC et al.
- Filed:
- March 28, 2025
- Status
- Briefing is ongoing
- Court
- Massachusetts
- Goal
- Award damages +3 additional goal(s)
1:26-cv-00022
State of New York et al. v. Department of Health and Human Services et al.
- Filed:
- January 13, 2026
- Status
- Case Stayed
- Court
- Rhode Island
- Goal
- Block enforcement of an agency action +2 additional goal(s)
- Status
- Briefing is ongoing
- Court
- Fourth Circuit
- Goal
- Block enforcement of an agency action +3 additional goal(s)
- Status
- Briefing is ongoing
- Court
- Pennsylvania Western
- Goal
- Award damages +3 additional goal(s)
- Status
-
Decision issued
Motion to Dismiss Granted in Part
- Court
- California Northern
- Goal
- Award damages +2 additional goal(s)
- Status
- Briefing is ongoing
- Court
- Maryland — Southern
- Goal
- Block enforcement of an agency action +3 additional goal(s)
- Status
- Case Dismissed
- Court
- Sixth Circuit
- Goal
- Block enforcement of a law +1 additional goal(s)
1:26-cv-12638
American Academy of HIV Medicine et al. v. Health Resources and Services Administration et al.
- Filed:
- June 10, 2026
- Status
- Case Stayed
- Court
- Massachusetts
- Goal
- Block enforcement of an agency action +2 additional goal(s)
Key Dates
Defendants’ Response Brief Due
Oral Argument
Post-Trial Memorandum Due
Hearing on Motions to Strike, Dismiss, and Stay Discovery
Oral Argument
Premotion Hearing
Defendants’ Response to Amended Complaint Due
Plaintiff’s Reply Brief Due
Responses to Motion for Discovery Due
Defendants’ Brief Due
Plaintiffs’ Expert Disclosure Due
Plaintiffs’ Updated Reply Brief Due
Responses to Motions to Dismiss and for Preliminary Injunction Due
Joint Status Report Due
Plaintiff’s Opening Brief Due
Defendants’ Response to Motion for Preliminary Injunction Due
Plaintiffs’ Motion for Class Certification Due
Plaintiff’s Reply Brief Due
Discovery Deadline
Defendant’s Response Due
Defendants’ Cross-Motion for Summary Judgment Due
Hearing on Motions to Dismiss
Joint Status Report Due
Hearing on Motion for Summary Judgment
Petition for Rehearing En Banc Due
Joint Status Report Due
Hearing on Motions to Dismiss
Oral Argument
Hearing on Motion to Dismiss
Oral Argument
Plaintiff’s Response Brief Due
Joint Status Report Due
Discovery Deadline
Hearing on Motion to Dismiss
Joint Status Report Due
Defendants’ Opening Brief Due
Defendants’ Response to Complaint Due
Plaintiff’s Response Brief Due
Defendant’s Response Brief Due
Plaintiffs’ Response Brief Due
Joint Status Report Due
Dismissal Deadline
Plaintiffs’ Motion for Summary Judgment Due
Defendants’ Response Brief Due
Rule 26(f) Report Due
Joint Status Report Due
Oral Argument
Expert Discovery Deadline
Motion to Certify Class Due
Plaintiff’s Expert Disclosure Due
Plaintiff’s Expert Reports Due
Joint Notice Due
Case Management Conference
Joint Status Report Due
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