Mary E. Hershewe



Mary Hershewe navigates a broad range of complex product liability and commercial litigation matters, counseling clients through all steps of litigation in both state and federal courts. Her background in medical malpractice and catastrophic torts provides a strong and well-rounded foundation to solve the complex legal problems her clients face.

Prior to joining the firm, Mary was an associate at Armstrong Teasdale practicing medical malpractice, catastrophic torts and complex commercial litigation, where she managed all aspects of cases, from discovery, to selecting and consulting with experts and arguing dispositive motions. She was closely involved in several trials and arbitrations.

In addition to trial and arbitration experience, while in practice, Mary has also participated in and won various mock trial programs, including the BAMSL Trial Advocacy Competition. She has authored or co-authored a number of pieces on depositions and litigation hot-topics. She currently serves as the co-chair for the Denver Diversity and Inclusion group, and as co-chair of the Colorado Women’s Bar Association (CWBA) Diversity and Inclusion subcommittee focusing on diversity within the CWBA.

During law school, Mary externed at the Missouri Supreme Court as a law clerk for former Chief Justice Richard B. Teitelman, and for Richard C. Bresnahan through the Washington University Judicial Clerkship Clinic. Mary also competed in the National Mock Trial program, and co-chaired the Women’s Law Caucus Public Interest Auction, raising tens of thousands of dollars for students engaged in nonprofit and public interest law. She was awarded the “Leader of Tomorrow Award” by Missouri Lawyers Weekly.

Personal Interests

Mary is very passionate about supporting the community, diversity and inclusion efforts, and public interest causes. In addition to diversity and inclusion roles, she has served on the associate board for the Colorado Legal Aid Foundation since 2019. She also enjoys running, cycling, reading and writing.


Bar Admissions


Court Admissions

U.S. District Court for the District of Colorado


Washington University School of Law
J.D. National Trial Advocacy Program, Dean's List (2016)

Scripps College
B.A. in History and Humanities, Dean's List (2013)

Insights & Events

Blog Post December 2021

Circuits Split on CMS Vaccine Mandate, Highlighting “Great Significance” of Issue as It Heads to Supreme Court

1 min read  
Blog Post December 2021

FDA Issues Draft Guidance for Sponsors and Other Stakeholders on Using Registries as RWD to Support Regulatory Decision-Making

1 min read  
Updates November 2021

Global Pandemic Accelerates Trend Toward Use of Real-World Data Sources

6 min read  
Blog Post November 2021

FDA Releases Draft Guidance for Sponsors on How to Comply with Study Data Standards When Submitting RWD-Sourced Study Data

1 min read  
Blog Post October 2021

FDA Posts Draft Guidance for Pharma Companies, Sponsors, and Researchers on Using Real-World Data from Health Records in Clinical Studies

1 min read  
Recorded Webinar September 28, 2021 CLE

Inaugural Colorado Diversity, Equity & Inclusion CLE Event - Webinar

3 min read  
Speaking Engagement Recap August 23, 2021

Emerging Biopharmaceutical Compliance Roundtable - Webinar

Risk Assessment and Product Liability Litigation Insights for Companies Introducing a Pharmaceutical Product Into the Marketplace
2 min read  
Blog Post August 2021

FDA issues final rule clarifying its “intended use” regulations for pharmaceuticals and medical devices

1 min read  
Updates November 2020

Colorado Court of Appeals Issues New Precedent Regarding State’s Interest on Damages Statute for Personal Injury Cases

4 min read  
Media Mentions August 2020

Faegre Drinker's Representation of New Mexico ACLU in Prison Class Action Covered by Local and National Media

2 min read  


  • Faegre Drinker — Pro Bono Honor Roll, 2020-21

Awards Methodology

The Faegre Drinker Biddle & Reath LLP website uses cookies to make your browsing experience as useful as possible. In order to have the full site experience, keep cookies enabled on your web browser. By browsing our site with cookies enabled, you are agreeing to their use. Review Faegre Drinker Biddle & Reath LLP's cookies information for more details.