Tracking the most important health care lawsuits in U.S. courts today
February 11, 2026 | AbbVie challenges selection of Botox for the third cycle of Medicare drug price negotiation
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
- 340B Program 20 cases
- Affordable Care Act 67 cases 6 Topics
- Anticompetitive Practices 24 cases
- Artificial Intelligence 3 cases
- Consumer Protections 14 cases
- Cost Containment 13 cases
- Equity 48 cases 1 Topics
- ERISA 16 cases
- Federal Health Funding 40 cases 4 Topics
- Health Information 2 cases
- Medicare Advantage 23 cases
- Medicare Drug Price Negotiation 22 cases
- No Surprises Act 40 cases 4 Topics
- Prescription Drug Affordability 20 cases 5 Topics
- Reproductive Health 45 cases 5 Topics
- Site-Neutral Payments 9 cases
- Transparency 6 cases

Our Team
We’re the experts on health care litigation. We’re here to make the process of navigating and understanding health care litigation easy.

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
Recently Updated
UFCW Local 1500 Welfare Fund v. The New York and Presbyterian Hospital
- Status
- Briefing is ongoing
- Date Filed
- September 8, 2025
- Court
- New York Eastern
Recently Updated
Cement and Concrete Workers DC Benefit Fund v. The New York and Presbyterian Hospital
- Status
- Briefing is ongoing
- Date Filed
- October 3, 2025
- Court
- New York Eastern
Recently Updated
Long Island Anesthesiologists PLLC v. UnitedHealthcare Insurance Company of New York Inc. et al.
- Status
- Decision issued
- Date Filed
- May 5, 2025
- Court
- Second Circuit
Recently Updated
Barrows et al. v. Humana, Inc.
- Status
- Briefing is ongoing
- Date Filed
- December 12, 2023
- Court
- Kentucky Western
Recently Updated
Association for Accessible Medicines v. Raoul
- Status
- Briefing is ongoing
- Date Filed
- October 16, 2025
- Court
- Seventh Circuit
Recently Updated
Anthem Blue Cross Life and Health Insurance Company et al. v. Prime Healthcare Services – St. Francis, LLC et al.
- Status
- Briefing is ongoing
- Date Filed
- January 5, 2026
- Court
- California Central
Recently Updated
State of Louisiana et al. v. Food and Drug Administration et al.
- Status
- Briefing is ongoing
- Date Filed
- October 6, 2025
- Court
- Louisiana Western
Recently Updated
Anthem Blue Cross Life and Health Insurance Company et al. v. HaloMD LLC et al.
- Status
- Briefing is ongoing
- Date Filed
- July 7, 2025
- Court
- California Central
Recently Updated
Aetna Health Inc. et al. v. Radiology Partners, Inc. et al.
- Status
- Briefing is ongoing
- Date Filed
- December 23, 2024
- Court
- Florida Middle
Recently Updated
AbbVie Inc. v. Department of Health and Human Services et al.
- Status
- Briefing is ongoing
- Date Filed
- February 11, 2026
- Court
- District of Columbia
Recently Updated
State of Oregon et al. v. Kennedy et al.
- Status
- Briefing is ongoing
- Date Filed
- December 23, 2025
- Court
- Oregon
Recently Updated
Chavez-DeRemer v. Suffolk Administrative Services, LLC.
- Status
- Briefing is ongoing
- Date Filed
- September 19, 2025
- Court
- First Circuit
Key Dates
Defendant’s Response to Complaint Due
Plaintiffs’ Reply Brief Due
Defendant’s Answer Due
Joint Proposed Scheduling Order Due
Hearing on Motion to Dismiss
Hearing on Motion for Preliminary Injunction
Plaintiff’s Brief Due
Amended Complaint Due
Plaintiffs’ Reply re: Motion for Preliminary Injunction and Responses to Motions for Stay and Intervention Due
Joint Status Report Due
Defendants’ Response to Motion for Summary Judgment Due
Defendant’s Brief Due
Plaintiffs’ Response to Motion for Summary Judgment Due
Proposed Scheduling Order Due
Defendants’ Response Due
Defendants’ Opening Brief Due
Dispositive Motions re: Anti-Trust Injury Due
Status Conference
Defendants’ Motion for Summary Judgment Due
Plaintiffs’ Response to Order to Show Cause Due
Defendants’ Reply Brief Due
Defendants’ Response to Motion for Summary Judgment Due
Defendants’ Opening Brief Due
Plaintiffs’ Opening Brief Due
Defendants’ Reply Brief Due
Plaintiff’s Response to Order to Show Cause Due
Joint Status Report Due
Joint Status Report Due
Joint Status Report Due
Plaintiffs’ Reply Brief Due
Defendants’ Consolidated Response Due
Answer Due for All Federal Defendants
Defendants’ Opening Brief Due
Motions to Amend the Pleadings or for Joinder of Additional Parties Due
Defendants’ Answer Due
Tier I Discovery Deadline
Tier I Discovery Deadline
Defendants’ Answer Due
Defendants’ Response to Complaint Due
Plaintiffs’ Response to Motions to Dismiss Due
Defendants’ Opening Brief Due
Defendants’ Opening Brief Due
Defendants’ Answer Due
Plaintiff’s Expert Disclosure Due
Joint Status Report Due
Defendant’s Reply Brief Due
Defendants’ Third Brief Due
Joint Status Update Due
Response Due
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