Tracking the most important health care lawsuits in U.S. courts today

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414 Cases
Case Update

July 1, 2026 | Colorado federal district court rules Colorado payment cap on Enbrel is likely preempted by federal patent law

How the Litigation Tracker Works

  1. Search for a lawsuit or issue More than 350 cases over 17 issues

  2. Explore related documentation Extensive library of key filing documents

  3. Learn the current status of the case Realtime case updates

  4. Read our analysis Read our take on the most pressing cases

Issues We’re Tracking

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

1:26-cv-01566

State of Illinois et al. v. Vought et al.

Filed:
February 11, 2026
Status
Briefing is ongoing

Motion for Preliminary Injunction Granted in Part

Court
Illinois Northern — Eastern
Goal
Block enforcement of an agency action +2 additional goal(s)

Key Dates

Doe et al. v. Anthem Healthchoice Assurance Inc. et al.

Plaintiffs’ Opening Brief Due

American Association of University Professors-Harvard Faculty Chapter et al. v. Department of Justice et al.

Plaintiffs’ Response Brief Due

Commonwealth of Massachusetts et al. v. Oz et al.

Defendants’ Response to Motion for Preliminary Injunction Due

President and Fellows of Harvard College v. Department of Health and Human Services et al.

Plaintiff’s Brief Due

National Family Planning & Reproductive Health Association et al. v. Kennedy et al.

Status Conference

American Academy of Pediatrics et al. v. Kennedy et al.

Plaintiffs’ Response Brief Due

Greene et al. v. Healthfirst PHSP Inc.

Plaintiffs’ Response to Motion to Dismiss Due

State of Arizona et al. v. Kennedy et al.

Plaintiffs’ Response to Motion to Dismiss Due

Blue Cross Blue Shield of Texas v. Zotec Partners LLC

Deadline to Join Additional Parties

Aetna Health Inc. et al. v. Radiology Partners Inc. et al.

Plaintiffs’ Opening Brief Due

CareFirst Advantage PPO Inc. v. Department of Health and Human Services et al.

Joint Status Report Due

PHI Health, LLC v. Health Care Services Corporation

Oral Argument

United States v. Anthem Inc.

Discovery Related Deadline

San Francisco AIDS Foundation et al. v. Trump et al.

Supplemental Briefs Due

Pacific Inpatient Medical Group Inc. et al. v. Zelis Healthcare LLC et al.

Discovery Hearing

AbbVie Inc. v. Department of Health and Human Services et al.

Plaintiff’s Response to Motion to Dismiss Due

Tiara Yachts Inc. v. Blue Cross Blue Shield of Michigan

Hearing on Motions to Compel, Strike, and Seal

Sonderling v. Suffolk Administrative Services LLC. et al.

Defendants’ Response to Motion to Strike Due

AbbVie Inc. v. Kennedy et al.

Plaintiff’s Response to Motion to Dismiss Due

Wesco Inc. et al. v. Blue Cross Blue Shield of Michigan

Scheduling Conference

State of California et al. v. Kennedy et al.

Hearing on Motions for Summary Judgment

Highmark Inc. v. Bromedicon LLC et al.

Defendants’ Response to Complaint Due

Uriel Pharmacy Health and Welfare Plan et al. v. Advocate Aurora Health Inc. et al.

Defendants’ Response to Motion for Class Certification Due

Faulk Company, Inc. v. Kennedy et al.

Oral Argument

Anthem Blue Cross Life and Health Insurance Company et al. v. HaloMD LLC et al.

Plaintiffs’ Opening Brief Due

Agag v. Cigna Health and Life Insurance Company

Defendant’s Brief Due

Burbage v. U.S. Anesthesia Partners Inc. et al.

Fact Discovery Cut Off

Electrical Medical Trust et al. v. U.S. Anesthesia Partners Inc. et al.

Discovery Related Deadline

Data Marketing Partnership LP v. Department of Labor et al.

Joint Status Report Due

Navarro et al. v. Wells Fargo & Company

Defendant’s Response Brief Due

American Hospital Association et al. v. PatientRightsAdvocate.org Inc.

Hearing on Motion to Dismiss

State of Louisiana et al. v. Food and Drug Administration et al.

Oral Argument

State of Washington et al. v. Department of Health and Human Services et al.

Oral Argument

Estate of Gene B. Lokken et al. v. UnitedHealth Group Inc. et al.

Declarations Re: Class Certification Due

St. Luke’s Health System LTD v. Labrador

Plaintiff’s Expert Disclosure Due

ERISA Industry Committee v. Department of Health and Human Services et al.

Joint Status Report Due

American Association of Physicians for Human Rights Inc. et al. v. National Institutes of Health et al.

Joint Status Report Due

American Academy of Pediatrics v. Department of Health and Human Services et al.

Joint Status Report Due

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