Malissa Riehl is of counsel to Thornton Law Firm LLP. She is a graduate of Truman State University (B.S. 2004), Webster University (M.B.A. 2005) and Suffolk University Law School (J.D. 2010). She is admitted to practice law in Massachusetts and Missouri.

Ms. Riehl joined the firm as a paralegal in 2007. During her time as a paralegal she provided support to several practice areas including pharmaceutical and medical devices, asbestos/mesothelioma and on individual personal injury cases. Notably, she assisted with two personal injury trials, one of which resulted in a jury verdict for the plaintiff in the amount of $2.9 million dollars.

Ms. Riehl now concentrates her practice in the firm’s drug and medical devices area as well as the Monsanto Roundup cases filed in St. Louis County, Missouri. She is a member of the American Association for Justice and the Massachusetts Bar Association.

  • Truman State University, B.S., 2004
  • Webster University, M.B.A., 2005
  • Suffolk University Law School, J.D., 2010
  • American Association for Justice
  • Massachusetts Bar Association
  • Commonwealth of Massachusetts, 2010
  • State of Missouri, 2011


Thornton Law Firm was founded in 1978 by Michael Thornton and two other attorneys doing groundbreaking work for victims of mesothelioma and other asbestos-related diseases. Now a leading injury law firm in Massachusetts and one of the largest plaintiff law firms in New England, the firm has 19 attorneys representing thousands of clients in a wide variety of plaintiff-side work.

*Attorney Advertising. This website is designed for general advertising only. The choice of a lawyer is an important decision and should not be based solely on advertisements. The information presented at this site should not be construed to be advice nor the formation of a lawyer/client relationship.*

Privacy Policy | Disclaimer


Monday 8:30AM-5:30PM
Tuesday 8:30AM-5:30PM
Wednesday 8:30AM-5:30PM
Thursday 8:30AM-5:30PM
Friday 8:30AM-5:30PM
Saturday Closed
Sunday Closed


1 Lincoln St., 13th Fl.
State Street Financial Center
Boston, MA 02111
(888) 491-9726
FAX 617-720-2445

9595 Wilshire Blvd., Ste 900
Beverly Hills, CA 90212

201 Columbine St, Suite 300
Denver, CO 80206

(800) 431-4600

Thornton Law Firm LLC, Attorneys At Law