Atty. Gregory D. Winningham

Atty. Gregory D. Winningham

Greg has been with Cheek Law Firm, P.L.L.C., since 2007, first as a legal intern, and then as an attorney after graduating from the Oklahoma City University School of Law in 2008. Greg was a Merit Scholar and President of his class in law school, served as a Senior Ambassador, competed on the American Association for Justice Trial Team, and received a CALI Excellence for the Future Award in Legal Research and Writing.

Oklahoma City Oklahoma City 17 yrs experience 17 year
Call (405) 930-3101 Book Appointment

Profile Summary

About Gregory D. Winningham at a glance

Gregory D. Winningham is an Associate based in Oklahoma City, Oklahoma, practicing at Cheek Law Firm, P.L.L.C.. They have 17+ years of legal experience, licensed to practice since 2009. Their practice focuses on personal injury, motorcycle, construction, slip & fall, and product liability. Admitted to practice in Oklahoma U.S. District Court, Northern, Eastern and Western Districts of Oklahoma (2009). Educated at Oklahoma City University School of Law (J.D., 2008) and Metropolitan State College (B.A. Political, 2004). Recognitions include Peer Reviewed. Active member of Oklahoma County, and Oklahoma Bar Associations. Serands clients in Oklahoma City, OK and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Greg has been with Cheek Law Firm, P.L.L.C., since 2007, first as a legal intern, and then as an attorney after graduating from the Oklahoma City University School of Law in 2008
  • Greg was a Merit Scholar and President of his class in law school, served as a Senior Ambassador, competed on the American Association for Justice Trial Team, and received a CALI Excellence for the Future Award in Legal Research and Writing
  • Greg presently serves as a volunteer with Oklahoma Lawyers for Children
  • Greg is also a veteran
  • After over twenty years of service, Greg has recently retired from the United States Navy Reserve as a Chief Petty Officer
  • Greg served on active duty from 1991 to 1997 as a Hospital Corpsman, and later transitioned into the Navy Reserve to complete his career
  • He served onboard the U.S.S
  • America in 1995-1996, and was later deployed in 2004 in support of Operations Iraqi Freedom and Enduring Freedom, and again in 2013 in support of Operation Enduring Freedom
  • Greg enjoyed a wide variety of experiences in his military career, and is proud to have served his country
  • Greg also enjoys hunting, fishing, golf, camping, reading, traveling and spending time with family

Practice Areas Explained

Gregory D. Winningham's Areas of Practice

Each practice area below reflects the types of cases Gregory D. Winningham handles, with a brief overview of what that area of law covers.

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Gregory D. Winningham is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Oklahoma →

Motorcycle Accidents

Gregory D. Winningham is one of 11,237 motorcycle attorneys indexed nationally. Browse motorcycle attorneys in Oklahoma →

Construction Law

Gregory D. Winningham is one of 40,689 construction attorneys indexed nationally. Browse construction attorneys in Oklahoma →

Slip & Fall / Premises Liability

Gregory D. Winningham is one of 29,473 slip & fall attorneys indexed nationally. Browse slip & fall attorneys in Oklahoma →

Product Liability

Gregory D. Winningham is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Oklahoma →

Jurisdictional Context

Why local counsel matters in Oklahoma

Practicing law in Oklahoma. Legal matters in Oklahoma are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Oklahoma City are typically filed in the local municipal court or the appropriate Oklahoma state district court, depending on subject matter and amount in controversy. An attorney licensed in Oklahoma brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Oklahoma courts without local counsel or pro hac vice admission.

Looking for additional Oklahoma attorneys? Browse all attorneys in Oklahoma City or all attorneys in Oklahoma.

Frequently Asked

Common questions about Gregory D. Winningham

Where is Gregory D. Winningham's law office located?
Gregory D. Winningham's law practice is located in Oklahoma City, Oklahoma. The firm is Cheek Law Firm, P.L.L.C.. You can contact the office directly through this profile page.
What practice areas does Gregory D. Winningham handle?
Gregory D. Winningham focuses on personal injury, motorcycle, construction, slip & fall, product liability. Each practice area listed reflects experience handling cases of that type in Oklahoma.
How long has Gregory D. Winningham practiced law?
Gregory D. Winningham has 17+ years of legal experience and has been licensed since 2009.
Where did Gregory D. Winningham go to law school?
Gregory D. Winningham earned their education at (J.D., 2008); (B.A. Political, 2004).
How can I contact Gregory D. Winningham for a consultation?
You can contact Gregory D. Winningham directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Gregory D. Winningham received?
Gregory D. Winningham's notable recognition includes: Peer Reviewed.

Education

J.D.
Oklahoma City University School of Law
- 2008
B.A. Political
Metropolitan State College
- 2004

Awards

Peer Reviewed

Bar Admissions

Oklahoma U.S. District Court, Northern, Eastern and Western Districts of Oklahoma
Admitted: 2009

Reviews

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