About
Mark D. Toppen is an accomplished litigation attorney whose practice centers on transportation matters, premises liability disputes, and a broad range of general litigation cases. Through years of courtroom and case management experience, he has built a reputation for providing strategic advocacy and thoughtful legal guidance in complex civil matters. His approach combines careful preparation, attention to detail, and a strong understanding of litigation procedures, allowing him to effectively represent defendants throughout every stage of the legal process.
Mark earned a BA in Political Science from Auburn University, graduating magna cum laude. He later earned a JD from the University of Denver Sturm College of Law. During law school, he expanded his legal knowledge through academic and professional opportunities, serving as an Associate Editor for Denver Law Review while also working as an Honors Intern for the Federal Bureau of Investigation (FBI). These experiences helped develop the research, analytical, and writing skills that continue to support his legal practice today.
Mark began practicing law in Denver after completing his legal education. Over the course of his career, he has represented defendants in both state and federal courts, handling matters from initial case evaluation through resolution. His experience includes participation in hearings, mediations, and trial proceedings, where he has consistently focused on protecting client interests and advancing practical solutions to legal challenges. His ability to navigate complicated disputes has made him a trusted advocate in transportation, premises liability, and general litigation matters.
Mark is licensed to practice law in Alabama and Colorado. He is also admitted to practice before the US District Court for the Northern and Middle Districts of Alabama. In addition to his litigation work, he has shared his knowledge with future legal professionals as an adjunct professor in Auburn University’s Law and Justice program, teaching undergraduate students about the legal field and its many career paths.
Mark D. Toppen brings a balanced perspective to legal representation, drawing upon courtroom experience, academic involvement, and years of litigation practice. His commitment to thorough preparation, sound legal analysis, and effective advocacy continues to serve clients facing challenging civil disputes across a variety of industries and legal settings.
Law Office Affiliations
- Shareholder, Carr Allison
- Member, Alabama State Bar Association
- Member, Colorado Bar Association
Licensed State
- Alabama
- Colorado
Education
- University of Denver Sturm College of Law
Juris Doctor (JD) - Auburn University
Bachelor of Arts (BA)
Awards & Badges


- Medical Malpractice
- Products Liability
- Slip & Fall Accidents
- Litigation
- Transportation




