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Serving Oklahoma Land and Mineral Owners since 1967

Every decision, from drilling agreements to family estate plans, shapes the future. Clients across Oklahoma rely on Graft & Walraven for legal guidance that’s thoughtful, strategic, and rooted in experience.
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Meet Our Team
Deep Oklahoma Roots

Serving families, landowners, and businesses statewide for over 50 years.

Focused Legal Insight

Practical guidance in oil & gas, real estate, estate planning, and business law.

Trusted Across Generations

Known for long-term client relationships and legacy-minded counsel.

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About Graft & Walraven

Protecting What Matters:
Land, Legacy, and Livelihood

Since 1967, Our mission has remained the same: to build lasting relationships and provide trusted legal counsel to landowners, mineral holders, and business leaders. At Graft & Walraven, we walk alongside our clients through each chapter, offering seasoned guidance in oil and gas, real estate, estate planning, and small business matters. Our work helps families protect what they’ve built and plan for what’s next.

Where Land, Law, and Legacy Come Together

How We Support Oklahoma

Oil & Gas
Leasing

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Mineral
Sales

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Estate & Trust Planning

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Probate & Trust Administration

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Business Organizations & Transactions

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Farm & Ranch Law

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Our Recent Articles

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  EXCELLENT  
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 Based on 42 reviews 
  
 
 
 
 
 
 
 
  
 
 
 
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 Ryan E 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
I trusted this firm to draw up multiple LLCs and also my will and trust. They were thoughtful, thorough, and adequately priced. Would highly recommend.
  
 
  
 
 
 
 Posted on Google Google 
  
 
 Kim M 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
Colby Robertson is an excellent attorney at Graft & Walraven. Colby and the staff have exceeded my expectations assisting with my mother’s Trust and creating my Trust. I have recommended Colby to my family members and close friends which are pleased to be working with Colby. If you need someone to return your calls and listen to your challenges then deliver, I highly recommend you contact Colby at Graft & Walraven.
  
 
  
 
 
 
 Posted on Google Google 
  
 
 Brandin B 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
My personal attorneys
  
 
  
 
 
 
 Posted on Google Google 
  
 
 Perry W 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
  
 
  
 
 
 
 Posted on Google Google 
  
 
 Hope C 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
Colby Robertson is an excellent mentor and attorney at Graft & Walraven. It's obvious this firm has high standards and ethics. Would recommend to anyone in the OKC-metro for estate planning needs!
  
 
  
 
 
 
 Posted on Google Google 
  
 
 Abi R 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
  
 
  
 
 
 
 Posted on Google Google 
  
 
 Benjamin E 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
Great staff. Always very helpful when working with mutual clients. Would highly recommend.
  
 
  
 
 
 
 Posted on Google Google 
  
 
 Jennifer H 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
  
 
  
 
 
 
 Posted on Google Google 
  
 
 Jesilyn B 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
  
 
  
 
 
 
 Posted on Google Google 
  
 
 Kristi G 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.