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Coy D. Coffman

Attorney Profile

Top Rated Estate Planning & Probate Attorney in Tulsa, OK

Coffman & Seidenberger, PLLC
5100 E Skelly Dr, Suite 140
Tulsa, OK 74135
Phone: 918-771-6879
Selected to Rising Stars: 2019 - 2022
Licensed in Oklahoma Since: 2010
Practice Areas: Estate Planning & Probate, Business Litigation, Business/Corporate, Creditor Debtor Rights: Business, Estate & Trust Litigation, General Litigation
Attorney Profile

Attorney Coy D. Coffman is a partner at the law firm of Coffman and Seidenberger in Tulsa, Oklahoma. Mr. Coffman focuses his practice on probate and estate planning law, serving clients throughout the Tulsa metropolitan region. He handles complex matters involving guardianships, trusts, wills and the probating of estates.

Mr. Coffman has several years of legal experience in probate and estate planning. Over the course of his career, he has been involved in many complex matters in these areas, which are the core emphasis of his practice.

In addition to managing his estate planning and probate practice, Mr. Coffman enjoys being involved in his legal community. He is a member of the Tulsa County Bar Association and participates in Legal Aid Services of Oklahoma.

Mr. Coffman grew up in Bixby, Oklahoma, and received a bachelor’s degree in criminal justice from Northeastern State University in Tahlequah, Oklahoma, graduating with honors. He went on to earn his law degree from Oklahoma City University School of Law, where he received a CALI Excellence for the Future Award in the area of trial practice.

After passing the Oklahoma bar examination, Mr. Coffman obtained his license to practice law in 2010, which qualified him to appear before all Oklahoma state courts. He also holds a license to appear before the U.S. District Courts for the Northern, Eastern and Western Districts of Oklahoma.

Mr. Coffman began his legal career working for a Tulsa-based law firm, and concentrated his practice on probate and estate planning law. He went on to found Coffman and Seidenberger.

Practice Areas
  • 50%Estate Planning & Probate
  • 10%Business Litigation
  • 10%Business/Corporate
  • 10%Creditor Debtor Rights: Business
  • 10%Estate & Trust Litigation
  • 10%General Litigation
Focus Areas

Estate Planning, Guardianships & Conservatorships, Living Wills, Power of Attorney, Probate & Estate Administration, Trusts, Wills, Business Formation and Planning, Business Organizations, Collections


4 Years Rising Stars
  • Rising Stars: 2019 - 2022

About Coy D. Coffman

First Admitted: 2010, Oklahoma

Professional Webpage:

Educational Background

  • Northeastern State University - Bachelor of Science in Criminal Justice, 2007


  • Excellent achievement in the study of Trial Practice, Cali Award, Oklahoma City University School of Law, 2010

Pro bono/Community Service

  • Legal Aid Services of Oklahoma, 2016

Bar/Professional Activity

  • Tulsa County Bar Association, 2017
  • United States District Counts for the Northern, Eastern and Western Districts of Oklahoma, 2016
  • Oklahoma Bar Association, 2010
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Office Location for Coy D. Coffman

5100 E Skelly Dr
Suite 140
Tulsa, OK 74135

Phone: 918-771-6879

Last Updated: 5/16/2022

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