Marissa Beyer is a litigation paralegal with a focus on defense civil litigation and opioid-related matters in both state and federal court. She works with a variety of clients, including corporate general counsel and national counsel, on civil and criminal matters.

Marissa supports the firm’s attorneys in a variety of roles pertaining to the Cannabis and Hemp Law practice. She aids attorneys in medical marijuana facility licenses and regulatory compliance.

She is skilled in drafting responsive pleadings, pre-trial motions, discovery, subpoenas and settlement documents; complex document review and production; managing civil actions from initial filing through trial; conducting investigatory research and management of witnesses and exhibits at trial.

In addition, she is well-versed in Relativity, PACER, Ankura, Westlaw, Lexis-Nexis, Case net, Odyssey, Judici, The Wayback Machine and more.

Services and Industries


Marissa was a litigation specialist at Armstrong Teasdale prior to becoming a paralegal.


  • Webster University  (B.A., 2022)
    • Legal Studies
    • Tau Sigma National Honor Society
    • Lambda Epsilon Chi National Honor Society
    • Phi Theta Kappa Honor Society

Professional Activities

  • St. Louis Paralegal Association (STLPA)
  • Bar Association of Metropolitan St. Louis (Legal Support Committee)

Charitable and Civic Involvement

  • Operation Underground Railroad (Legal and Policy Committee)
  • The BackStoppers, Inc. (Member)
Contact Us
  • Worldwide
  • Boston, MA
  • Denver, CO
  • Dublin, Ireland
  • Edwardsville, IL
  • Jefferson City, MO
  • Kansas City, MO
  • Las Vegas, NV
  • London, England
  • Miami, FL
  • New York, NY
  • Orange County, CA
  • Philadelphia, PA
  • Princeton, NJ
  • Salt Lake City, UT
  • St. Louis, MO
  • Washington, D.C.
  • Wilmington, DE
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Boston, MA
800 Boylston St.
30th Floor
Boston, MA 02199
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Boston, Massachusetts
Denver, CO
4643 S. Ulster St.
Suite 800
Denver, CO 80237
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Denver, Colorado
Dublin, Ireland
Fitzwilliam Hall, Fitzwilliam Place
Dublin 2, Ireland
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Edwardsville, IL
115 N. Second St.
Edwardsville, IL 62025
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Edwardsville, Illinois
Jefferson City, MO
101 E. High St.
First Floor
Jefferson City, MO 65101
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Jefferson City, Missouri
Kansas City, MO
2345 Grand Blvd.
Suite 1500
Kansas City, MO 64108
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Kansas City, Missouri
Las Vegas, NV
7160 Rafael Rivera Way
Suite 320
Las Vegas, NV 89113
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Las Vegas, Nevada
London, England
Royal College of Surgeons of England
38-43 Lincoln’s Inn Fields
London, WC2A 3PE
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Miami, FL
355 Alhambra Circle
Suite 1250
Coral Gables, FL 33134
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New York, NY
7 Times Square, 44th Floor
New York, NY 10036
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New York City skyline
Orange County, CA
19800 MacArthur Boulevard
Suite 300
Irvine, CA 92612
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Philadelphia, PA
2005 Market Street
29th Floor, One Commerce Square
Philadelphia, PA 19103
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Philadelphia, Pennsylvania
Princeton, NJ
100 Overlook Center
Second Floor
Princeton, NJ 08540
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Princeton, New Jersey
Salt Lake City, UT
222 South Main St.
Suite 1830
Salt Lake City, UT 84101
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Salt Lake City, Utah
St. Louis, MO
7700 Forsyth Blvd.
Suite 1800
St. Louis, MO 63105
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St. Louis, Missouri
Washington, D.C.
1050 Connecticut Avenue NW
Suite 500
Washington, DC 20036
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Wilmington, DE
1007 North Market Street
Wilmington, DE 19801
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Wilmington, Delaware