Tracking the most important health care lawsuits in U.S. courts today
September 1, 2026 | Eleventh Circuit rejects constitutional challenge to federal whistleblower lawsuits
This important alert links to ”How the Litigation Tracker Works
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Search for a lawsuit or issue More than 350 cases over 17 issues
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Explore related documentation Extensive library of key filing documents
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Learn the current status of the case Realtime case updates
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Read our analysis Read our take on the most pressing cases
Issues We’re Tracking

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
1:26-cv-02460
Hennepin County, Minnesota et al. v. Department of Health and Human Services et al.
- Filed:
- July 14, 2026
- Status
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Decision issued
Motion for Preliminary Injunction Granted in Part
- Court
- District of Columbia
- Goal
- Block enforcement of agency action +2 additional goal(s)
- Status
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Briefing is ongoing
Motion to Dismiss Granted in Part
- Court
- California Northern
- Goal
- Block enforcement of an agency action +2 additional goal(s)
1:26-cv-00431
AbbVie Inc. v. Department of Health and Human Services et al.
- Filed:
- February 11, 2026
- Status
- Briefing is ongoing
- Court
- District of Columbia
- Goal
- Block enforcement of an agency action +2 additional goal(s)
- Status
- Case Stayed
- Court
- Minnesota — Third
- Goal
- Block defendant action +2 additional goal(s)
- Status
- Briefing is ongoing
- Court
- Fourth Circuit
- Goal
- Block enforcement of an agency action +3 additional goal(s)
0:23-cv-03514
Estate of Gene B. Lokken et al. v. UnitedHealth Group Inc. et al.
- Filed:
- November 14, 2023
- Status
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Briefing is ongoing
Motion to Dismiss Granted in Part
- Court
- Minnesota — Fourth
- Goal
- Award damages +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
- Briefing is ongoing
- Court
- Massachusetts
- Goal
- Block enforcement of an agency action +2 additional goal(s)
- Status
- Briefing is ongoing
- Court
- Eighth Circuit
- Goal
- Award restitution +4 additional goal(s)
- Status
-
Briefing is ongoing
Motion to Dismiss Counterclaims Granted
- Court
- Texas Southern — Corpus Christi
- Goal
- Award damages
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)
8:24-cv-01080
State of Florida et al. v. Department of Health and Human Services et al.
- Filed:
- May 6, 2024
- Status
- Case Dismissed
- Court
- Florida Middle
- Goal
- Block enforcement of an agency action +1 additional goal(s)
- Status
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Briefing is ongoing
Motion to Dismiss Denied
- Court
- Michigan Western — Southern
- Goal
- Award damages +2 additional goal(s)
Key Dates
Intervenors’ Reply Re: Motion to Dismiss Due
Plaintiffs’ Response to Supplemental Brief Due
Joint Status Report Due
Oral Argument
Discovery Conference
Defendant’s Opening Brief Due
Defendants’ Response to Motion to Hold Funds Due
Defendants’ Motion to Dismiss Due
Status Conference
Oral Arguments
Defendants’ Response Brief Due
Hearing on Motions to Compel and Strike
Plaintiffs’ Brief Due
Plaintiff’s Opening Brief Due
Plaintiff Status Update Due
Notice of Appeal or Joint Status Report Due
Defendant’s Answer Due
Hearing on Motion to Dismiss
Plaintiff’s Expert Disclosure Due
Plaintiff’s Reply Re: Motion for Summary Judgment Due
Plaintiff’s Reply Re: Motion for Summary Judgment Due
Defendant’s Brief Due
Defendants’ Response to Motion to Complete Administrative Record Due
Hearing on Motions for Summary Judgment
Joint Status Report or Joint Notice of Dismissal Due
Defendants’ Response to Motion to Strike Due
Joint Status Report Due
Amended Complaint Due
Joint Discovery Plan Due
Discovery Deadline
Joint Report Due
Joint Status Report Due
Defendants’ Reply Re: Motions to Dismiss Due
Scheduling Conference
Motions to Seal Due
Joint Status Report Due
Oral Argument
Defendants’ Response Brief Due
Joint Appendix and Plaintiffs’ Opening Brief Due
Hearing on Motions to Strike, Dismiss, and Stay Discovery
Oral Argument
Hearing on Motions to Dismiss
Plaintiff’s Reply Brief Due
Oral Argument
Defendants’ Brief Due
Plaintiffs’ Motion for Class Certification Due
Plaintiff’s Opening Brief Due
Joint Status Report Due
Defendant’s Response to Complaint Due
Joint Status Report Due
Hearing on Motion for Summary Judgment
Oral Argument
Hearing on Motion to Dismiss
Plaintiff’s Response Brief Due
Joint Status Report Due
Oral Argument
Discovery Deadline
Defendants’ Opening Brief Due
Plaintiff’s Response Brief Due
Rule 26(f) Report Due
Joint Notice Due
Case Management Conference
Joint Status Report Due
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