Oklahoma's Oldest Law Firm - Established in Oklahoma Territory in 1893

Near as we can tell Mitchell DeClerck’s roots in Oklahoma can be traced back to shortly after noon on September 16, 1893, when Charles H. Parker came to Enid on the train during the Land Run of 1893.

Also known as the Cherokee Strip Land Run, the Land Run of 1893 marked the opening to settlement of the Cherokee Outlet in what would become a part of the state of Oklahoma.


The Cherokee Strip Land Run began at noon on September 16, 1893, with more than 100,000 participants hoping to claim land.

Land Run of 1893


Land Run Attorney's Law Office Tent

We don’t know exactly when Mr. Parker opened his law practice in Oklahoma, but until someone who was there tells us otherwise, we think that shortly after September 16, 1893, the original predecessor of Mitchell DeClerck first opened its doors. Or more likely its tent flap, much like the one pictured.

Parker was later joined by the former Attorney General of Oklahoma Territory Percy C. Simons forming Parker & Simmons in 1906.  Simons had also made the run into Oklahoma in 1893 but began his practice in Grant County on the Kansas-Oklahoma border.  Simons became the Attorney General of Oklahoma Territory in 1904 serving until 1906 when he came to Enid to join Parker.  Mitchell DeClerck's History Page sets out how we know all of this to be true.

Parker & Simons grew in stature and was the only Enid firm listed in the prestigious Hubbell's Law Directory in 1918, the year of Parker's death.  Mitchell DeClerck or its predecessors have been continuously listed in Hubbell's or its sucessor Martindale-Hubbell for 97 years.

For a number of decades, Mitchell DeClerck and many of its members have held the highest possible "AV" peer review rating awarded by the Martindale-Hubbell Legal Directory – the successor to Hubbell's Law Directory.

Mitchell DeClerck is the oldest law firm in Enid, Oklahoma by nearly a century, and the oldest law firm in the state of Oklahoma by nearly a decade.  So, over parts of three centuries we've long done most everything involving Oklahoma law;
Our point:  If you need an Oklahoma Lawyer to help you solve a problem, in our 126 plus years representing Oklahomans beginning with Charles Parker in 1893 you can be assured that: We've been there and done that.

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Tim DeClerck

For over 30 years, Mr. DeClerck's practice has been and still is devoted to assisting and counseling people with legal issues and problems occurring in daily living. His legal expertise includes life and estate planning - helping his clients make the decisions that give them control over their person and their property for the rest of their lives and making sure their property passes to the ones they love.  Through will and trust contests, he makes sure beneficiaries receive what they are supposed to receive.  Other aspects of his practice include guardianships, contracts, real estate, oil and gas leasing, right of ways and easements, and litigation involving personal injuries. More...

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Larry Lahman

Lahman is the Senior Partner in the oldest law firm in Oklahoma – Mitchell DeClerck formed in Oklahoma Territory in 1893 – joining the firm in 1975.
   Lahman has an active and varied practice handling complex multi-million dollar class actions, mass actions involving hundreds if not thousands of clients, multi-million dollar qui tam cases under state and federal false claims acts, mass tort cases, unclaimed property and complex bankruptcy cases.  And even assisting blockbuster motion pictures. More...

Barker's areas of practice include:  Felony and Misdemeanor Criminal Defense, Motion to Revoke and Application to Accelerate, DUI, Drug Possession, Domestic Disputes, Protective Orders, CDL traffic tickets, Personal Injury, Wrongful Death, Divorce and Paternity, Child Support, Guardianship, Civil Litigation, Small Claims, and Name Change. More...

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Roger Ediger

Roger L. Ediger was born in Enid, Oklahoma on November 17, 1954. He attended Tabor College in Hillsboro, Kansas receiving a Bachelor of Arts Degree in Business Administration and Economics in 1977. Roger subsequently received a Juris Doctorate Degree from the University Of Oklahoma College Of Law in 2002.
   After graduating from college in 1973, Roger worked in the agricultural industry, being involved in the family farming operation. He continues to maintain a farming interest in Garfield County.
   Roger has also been involved in shaping public policy in agriculture, having been invited to testify before Congress on several occasions and being the recipient of several fellowships to study economic policy relating to agriculture.  He has also been in leadership positions in several farm organizations.
   Roger was admitted to the Bar in Oklahoma in 2002.  He is admitted to practice before all state courts and the United States District Court for the Western District.  He is a member of the Oklahoma Bar Association, the American Bar Association, and the Christian Legal Society. More...


202 W Broadway Ave.

Enid, Oklahoma 73703 

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