Lauren B. McMillen is a member of Plunkett Cooney’s Insurance Coverage Practice Group. She focuses her practice on complex insurance coverage disputes under a variety of primary and excess general liability policies. 

A partner in the firm's Bloomfield Hills office, Ms. McMillen consistently achieves favorable results for her insurer clients through litigation in both state and federal courts. She is licensed in Michigan, Illinois, Indiana and Wisconsin, but maintains a national practice assisting her clients wherever they need counsel. Ms. McMillen’s experience includes claims involving high exposure losses, long tail environmental contamination, construction defects, product defects, bodily injury and property damage, asbestos and other toxic torts, additional insured issues, and bad faith and extracontractual allegations.     

In addition, Ms. McMillen regularly acts in an advisory capacity for her clients by providing counseling on coverage issues, intra-carrier disputes, claim monitoring and administration, as well as developing creative solutions to various insurance coverage disputes before they result in litigation. 

Representative Client List

  • Defended insurer in coverage litigation and settlement negotiations involving environmental contamination at 13 separate sites located throughout the nation 
  • Defended insurers in coverage litigation involving a class action claim of bodily injury stemming from environmental contamination in Indiana  
  • Filed declaratory judgment action on behalf of insurer with respect to a manufacturing defect claim that placed over nine million policy limits at risk
  • Provides coverage opinions and recommendations to insurers on a wide range of topics, including coverage for advertising injury claims, trademark infringement, vandalism, mold, pollution, defective products, automobile injuries and collisions, premises liability claims and construction defect claims

Professional Memberships

  • State Bar of Michigan
  • State Bar of Indiana
  • State Bar of Illinois
  • American Bar Association
  • Federal Bar Association 

Areas of Practice



  • Michigan State University College of Law, J.D., 2007
  • Michigan State University, James Madison College, B.A., 2004


  • Michigan, 2007
  • Indiana, 2008
  • U.S. District Court, Eastern District of Michigan, 2008
  • U.S. District Court, Southern District of Iowa, 2008
  • Illinois, 2009
  • U.S. District Court, Western District of Michigan, 2009
  • U.S. District Court, Northern District of Indiana, 2010
  • U.S. District Court, Southern District of Indiana, 2010


Honors & Recognitions

  • Best Lawyers in America® for Insurance Law, 2021 -2024
  • Michigan Rising Star in Insurance Coverage, Michigan Super Lawyers, 2012 - 2017
  • Book Award for Torts
  • Merit Based Scholarships