About
Coy Coffman is a highly skilled attorney based in Tulsa, Oklahoma, specializing in estate planning, probate, and business law. With over a decade of experience, Mr. Coffman has provided exceptional legal services to clients throughout the Tulsa metropolitan area. His practice areas include wills, trusts, estate administration, guardianships, business disputes, and transactions. Known for his meticulous approach and dedication, Mr. Coffman has successfully navigated many complex legal matters for his clients, helping them achieve favorable outcomes.
Mr. Coffman holds a B.S. in Criminal Justice, earned with honors from Northeastern State University in 2007. He furthered his education at Oklahoma City University School of Law, graduating with a J.D. degree in 2010. He earned the CALI Excellence for the Future Award in Trial Practice during law school, reflecting his strong legal acumen and trial skills.
Since joining the Oklahoma State Bar in 2010, Coy Coffman has become a trusted Oklahoma attorney in estate planning and probate law. Over the years, he has expanded his practice to include business litigation, creditor–debtor rights, and civil litigation, providing comprehensive legal representation for individuals and businesses. Coy began his career at a Tulsa law firm, concentrating on estate planning and business law, before going on to co-found Coffman & Seidenberger. Today, his firm delivers full-service legal solutions to meet the evolving needs of the community.
Mr. Coffman is licensed to practice before all Oklahoma state courts and the U.S. District Courts for the Eastern, Western, and Northern Districts of Oklahoma. He is a proud member of the Tulsa County Bar Association and regularly contributes to the legal community by supporting Legal Aid Services of Oklahoma. His commitment to helping clients plan for their futures and resolve legal disputes has made him a trusted name in Tulsa.
Law Office Affiliations
- Partner, Coffman & Seidenberger, PLLC
- Member, State Bar of Oklahoma
- Member, Tulsa County Bar Association
Licensed State
- Oklahoma
Education
- Oklahoma City University School of Law
Juris Doctor (JD) - Northeastern State University
Bachelor of Science (BS)
Awards & Badges


- Corporate
- Guardianship
- Power of Attorney
- Probate
- Trusts
- Wills And Living Wills
- Debt & Lending
- Litigation




