Michael J. Quillin

Michael J. Quillin

Founding Partner

Practice Areas

  • Severe/Catastrophic Injury
  • Products Liability
  • Wrongful Death
  • Pharmaceutical & Medical Products Litigation.

Michael Quillin

Contact Information

Email: quillin@osclaw.com
Office Phone: 314-696-0686
Cell Phone: 314-413-2020


Mike is a founding member of O’Leary, Shelton, Corrigan, Peterson, Dalton & Quillin.  Mike represents plaintiffs suffering from serious or catastrophic injuries in a wide range of cases, including those involving dangerous or defective pharmaceuticals, medical device failures, serious motor vehicle collisions and dangerous conditions of property. Mike is admitted to practice law in the states of Missouri and Illinois, and he accepts cases from all over the country.

Mike has extensive experience in taking on goliaths within the pharmaceutical and medical device industry. In fact, he has represented thousands of clients in such litigations, including those involving Yaz/Yasmin, Hormone Replacement Therapy (HRT), Actos, Pradaxa, Granuflo, DePuy metal-on-metal hips, Transvaginal Mesh (TVM), Testosterone Replacement Therapy (TRT), IVC Filters, and many others.  Mike has overseen the resolution of millions of dollars in settlements, for those injured by such products.

Mike was born and raised in St. Louis, attended St. Louis University High School, earned his undergraduate degree from John Carroll University and his Juris Doctor degree from the University of Missouri School of Law.

Prior to attending law school, Mike was a Software Engineer, developing structural engineering software for the building components industry. At night, Mike earned a Master’s degree in Management in Information Systems (MIS) at the University of Missouri-St. Louis.

In law school, Mike was the Managing Editor of the Missouri Environmental Law and Policy Review, where he had a work published: Fueling Debate: The Ninth Circuit’s Order to Reevaluate Fuel Efficiency Standards for Lightweight Trucks, 16 Mo. Envtl. L. & Pol’y Rev. 223.

Mike is the son of the late St. Louis County, Missouri Circuit Court Judge, Dennis Quillin. Mike currently lives in St. Louis with his wife and son.