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Ranelle Leier


Ranelle Leier Photo


  • Chair of Oppenheimer’s Business Litigation Group
  • Business litigation attorney with particular focus on health care litigation, governmental investigations and products liability
  • Conducts internal corporate audits and investigations to help companies and boards manage risk

  • Provides regulatory compliance counseling and risk allocation advice on environmental issues related to the transfer of businesses and property


Representative Experience 

  • Robin Drug, et al. v. Prime Therapeutics, Inc. – Represented a pharmacy benefits manager in a class-action arbitration brought by pharmacies involving allegations of using improper average wholesale pricing to reimburse contracting pharmacies for prescription drug claims
  • Defended a health care client against a False Claims Act complaint involving alleged fraudulent payment requests under Medicare Part D
  • Successfully defended product manufacturers and corporate parents in class action antitrust litigation in several jurisdictions
  • SKB Environmental, Inc. v. Metropolitan Airports Commission – Lead trial counsel – Obtained a directed verdict at trial for the MAC in lawsuit regarding construction project at airport
  • Successfully defended manufacturer of railroad-grade crossing safety equipment in several lawsuits alleging equipment failed to properly warn motorists of approaching train
William Mitchell College of Law  »  J.D.  »  summa cum laude  »  Law Review Board Member & Author
Valley City State University  »  B.S.  »  Business Administration  »  summa cum laude 
Areas of Practice
Minnesota Law & Politics  »  "Rising Star"
Presentations & Publications

Speaker  » "FDA’s Proposed Regulations Under the Food Safety Modernization Act & How Food Companies Can Prepare for Compliance" presented March 6, 2014 by the Minnesota State Bar Association Food Drug & Device Law Section

Speaker  »  Oppenheimer Food Law Roundtable, June 20, 2013

Speaker  »  Oppenheimer Food Law Roundtable, November 7, 2012

Speaker  »  Oppenheimer Food Law Roundtable, May 30, 2012

Speaker  »  Oppenheimer Animal Feed Law Roundtable, April 12, 2012

Speaker  »  Oppenheimer Food Law Roundtable, November 11, 2011

Speaker  »  Oppenheimer Food Law Roundtable, May 5, 2011

Author  »  “Stricter Analysis of Expert Testimony At Class Certification”, Law360, August 2010
Speaker  »  “Managing and Litigating a Food Law Crisis”, presented March 4, 2010 by the Minnesota State Bar Association Food and Drug Law Section
Speaker  »  Oppenheimer Food Law Roundtable, June 24, 2010

Associations & Pro Bono
American Bar Association  »  Litigation Section
Minnesota State Bar Association  »  Health Law Section  »  Food & Drug Law Sections  »  Council Member
Minnesota Women Lawyers
Hennepin County Bar Association
Friends of Children Foundation  »  Board of Directors
Chrysalis Pro Bono Safety Project  »  Volunteer Attorney