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  • Education
    • J.D., University of Missouri-Columbia, 2005
    • B.A., Truman State University, 1999

Andrew Ennis recognizes that no two clients or disputes are alike, so he collaborates with clients to craft creative approaches for each unique situation.


He works with clients to deliberately consider all aspects of an existing or potential dispute before formulating a strategy. And clients rely on Andrew to help resolve important disputes, whether through active litigation or other methods of dispute resolution.


He enjoys working collaboratively with health care and other corporate clients to protect their interests.


Andrew has experience with:

  • Resolving disputes through litigation, negotiation, and mediation
  • Defending corporate health care clients in litigation
  • Representing clients in breach of contract disputes
  • Assisting commercial clients pursue antitrust claims centering on price fixing

Before joining Polsinelli, Andrew was a judicial clerk to Judge William Ray Price Jr. of the Missouri Supreme Court.

  • Served as a key member of team that successfully briefed and argued an appeal to the U.S. Court of Appeals for the Ninth Circuit, challenging a district court’s determination that state law antitrust claims relating to price fixing in the natural gas markets were preempted under the federal Natural Gas Act.
  • Successfully resolved a dispute with a large insurer over amount and payment of retroactive insurance premiums.
  • Successfully defended and favorably resolved a potential multi-million dollar liability for allegations of violations of federal and state wage laws on behalf of a transportation company.
  • Member of team that successfully challenged attorney's attempt to obtain restraining order to prevent large-scale merger transaction for the sale of assets of a hospital on behalf of a national health care company.
  • Member of team that successfully defended national engineering firm in lawsuit seeking millions in damages for personal injuries suffered in accident at galvanizing plant. Matter was resolved on very favorable terms after two-day mediation.