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  • Education
    • J.D., cum laude, Notre Dame Law School, 2013, Notre Dame Journal of Law, Ethics and Public Policy, Editor-in-Chief
    • B.A., magna cum laude, Phi Beta Kappa, University of Notre Dame, 2010

Colleen Walter represents health care providers in False Claims Act litigation, reimbursement disputes, DOJ investigations, billing and coding audits, and a variety of other matters within health care litigation. Colleen also advises on health care transactional and regulatory issues, including commercial and governmental managed care contracting and compliance with federal and state Anti-Kickback and Stark laws. In addition, Colleen has experience handling a broad range of commercial litigation matters in state and federal court, including alleged violations of the Fair Credit Reporting Act, breach of contract disputes, fraud and other tort claims.

As a senior associate, Colleen takes a lead role in all aspects of litigation, including pleadings, written and electronic discovery, depositions and a wide range of motion practice. She also has experience preparing cases for trial and significant arbitrations. From 2017 to 2019, Colleen served as a law clerk to the Honorable M. David Weisman of the United States District Court for the Northern District of Illinois. While at Notre Dame Law School, she was Editor-in-Chief of the Notre Dame Journal of Law, Ethics & Public Policy and received her mediation certification through the Notre Dame Mediation Clinic where she provided mediation services to individuals litigating domestic relations matters.

  • Defended a home health care provider against allegations of False Claims Act violations stemming from Medical Director agreements with non-party physicians. Helped position the client to reach a favorable settlement on the eve of summary judgment briefing.
  • Represented hospital in $85 million dispute pertaining to a management services agreement. Assisted with all aspects of the arbitration, including defeating a motion for preliminary injunction, drafting written discovery, leading a document review team, working with witnesses, and preparing for depositions and trial.
  • Represented pharmacy benefit manager seeking to recover nearly $15 million in damages from the administrator of its discount cash card program. Assisted with all aspects of the arbitration, including electronic discovery, depositions, and witness preparation prior to trial.
  • Represented multiple clients in responding to Subpoenas Duces Tecum and Civil Investigative Demands issued by state and federal government entities in investigations relating to the health care industry, including matters regarding pricing, charge-backs, credits, and referral relationships.
  • Represented assisted living facilities in claims against the state for failure to provide an administrative hearing. Conducted depositions and helped clients obtain summary judgment.
  • Represented two major sports conferences in a class action that challenged NCAA rules related to student-athlete financial aid.
  • Obtained the denial of a requested class action, and then obtained summary judgment on behalf of a consumer reporting agency in a Fair Credit Reporting Act class action brought in the Northern District of Illinois.