About
R. Thomas Avery is an equity partner at McCarthy, Leonard & Kaemmerer L.C., with strong experience in commercial litigation and business law. He represents companies and individuals in complex legal matters, including contract disputes, lender liability claims, and business conflicts. His work often involves high-value cases where careful strategy and legal knowledge are important. He also handles construction-related disputes, including defect claims and mechanics’ liens. His ability to manage challenging cases has helped clients resolve disputes efficiently and protect their business interests.
Thomas earned his J.D. from Washington University School of Law in 1994. He also holds a B.A. with honors from New Mexico State University, completed in 1990. His legal education provided a strong foundation in litigation and business law. Through his academic training, he developed analytical and problem-solving skills that continue to guide his legal practice. His qualifications support his ability to handle complex legal issues with clarity and confidence.
Thomas has built a strong reputation in lender liability matters in his legal career. He has successfully obtained judgments and settlements for clients, including cases that voided guarantees and improved financial outcomes. He also advises businesses and real estate developers in disputes involving banks and financial institutions. His work often includes negotiating favorable solutions that help clients avoid prolonged litigation while still protecting their rights.
R. Thomas Avery also represents contractors, designers, and developers in construction disputes. He assists clients with arbitration, litigation, and dispute resolution. His broad experience across industries allows him to provide practical legal solutions. By focusing on each client’s goals, he helps them navigate legal challenges and reach fair outcomes.
Law Office Affiliations
- Equity Partner, McCarthy, Leonard & Kaemmerer L.C.
- Member, Missouri Bar Association
- Member, Illinois State Bar Association
Licensed State
- Missouri
- Illinois
Education
- Washington University School of Law
Juris Doctor (JD) - New Mexico State University
Bachelor of Arts (BA)
Awards & Badges


- Contracts & Agreements
- Corporate & Incorporation
- Landlord & Tenant
- Alternative Dispute Resolution
- Appeals
- Arbitration
- Litigation




