William R. Grimm

Mr. Grimm is an experienced trial lawyer whose practice is concentrated primarily in business-related litigation, including numerous “Bet-the-Company” actions involving complex commercial transactions, contractual disputes, intellectual property rights, fiduciary obligations, oil & gas matters, corporate & tax matters, business valuations, products liability, governmental inquiries, creditor rights and bankruptcy issues. He received his Juris Doctorate (1973) and a Bachelor of Business Administration in accounting and finance (1970) from the University of Oklahoma. He is admitted to practice before the Supreme Court of Oklahoma, all Oklahoma United States District and Bankruptcy Courts, the 5th and 10th Circuit Court of Appeals, the 10th Circuit Bankruptcy Appellate Panel and the United States Supreme Court.
His litigation skills and expertise has been acknowledged by several national organizations and publications serving the legal profession, including the time honored AV rating from Martindale-Hubbard; continuously selected as an Oklahoma Super Lawyer in business litigation since its inception in 2006 and as a prestigious “Top Fifty in Oklahoma” for the years 2009 – 2011; Best Lawyers© for corporate and business litigation in the years 2009 – 2016; Oklahoma Magazine – Best of the Best Attorney for the years 2010 – 2016; and selected as an Advocate by the American Board of Trial Advocacy since 2000.

Mr. Grimm has served in numerous leadership positions for the Oklahoma Bar Association, such as President (2006); Vice-President (2004); and the Board of Governors (1996-1998). Since 2009 he serves as a Commissioner on the Professional Responsibility Commission charged with the responsibility of investigating lawyer misconduct under the Oklahoma Supreme Court Rules Governing Professional Discipline. Previously, he chaired on numerous committees and task forces, including Unauthorized Practice of Law, Professional Responsibility Tribunal, Legal Ethics, Budget, Strategic Planning and the Professional and Civility Task Force.

As a result of his many contributions to the Oklahoma Bar Association, he received the 2011 OBA Joe Stamper Distinguished Service Award for his contributions to the legal profession; 2009 OBA President’s Distinguished Service Award for his leadership of the Administration of Justice Task Force; and the 2004 OBA President’s Distinguished Service Award for his efforts in the creation of the Oklahoma Access to Justice Commission by the Oklahoma Supreme Court.
Mr. Grimm also served on the Board of Trustees of the Oklahoma Bar Foundation (2005-2006) and is a Benefactor Fellow. He received the OBF President’s Distinguished Service Award in 2006. Also, he has been a delegate to the American Bar Association (1991-1993 & 2005-2007) and a member of the Southern Conference of Bar Presidents since 2006. He was selected as an American Bar Fellow in 2003.

As a member of the Tulsa County Bar Association, he served as President (1991-1992) and on the Board of Directors (1988-1993). He also chaired the TCBA’s Centennial Celebration (2000-2003), to celebrate its 100th anniversary of the bar association, as well as numerous other committees. He received the 2003 TCBA Gary C. Clark Distinguished Service Award for his work on the TCBA Centennial Celebration; and the 2002 TCBA Neil E. Bogan Professionalism Award for his outstanding contributions and adherence to the highest ideals of the legal profession; and twice received the TCBA President’s Distinguished Service Award (1989 &1990). He is a Tulsa County Bar Foundation charter fellow, holding the office of President (1992-1993) and Director (1992-1998).
Additionally, Mr. Grimm has been a member of many other professional and civic organizations, including the Tulsa Title and Probate Lawyers Association, American Board of Trial Advocates, National Association of Bankruptcy Trustees and the American Inns of Court-Hudson Chapter. He is also listed in Who’s Who in American Lawyers.

In 2006, Mr. Grimm received from the Sigma Chi International Fraternity the prestigious Significant Sig award for his professional achievements and contributions to his community. He was also inducted into the Order of Constantine for outstanding volunteer service to his fraternity, where he served in numerous official capacities for Beta Kappa of Sigma Chi, Inc. – the housing organization at the University of Oklahoma; founder & director of the Beta Kappa of Sigma Chi White Cross Foundation; president of the Tulsa Sigma Chi Alumni Association and was the national recipient of the William T. Brigham Best House Corporation Officer (2001) and Grand Consul’s Certificate of Merit (2010). He served as a Trustee for Tulsa County on the Skiatook Area Reservoir Authority (1981-1987), the Vision 2000 Criminal Justice Task Force (1992-1996), and Tulsa Lawyers for Children. He also serves as a member of the Finance Committee and Administrative Board for Boston Avenue Methodist Church.

Mr. Grimm has presented professional seminars for the Tulsa County Bar Association and the Oklahoma Bar Association on issues of litigation and bankruptcy. In 2004, he was on the faculty of the Oklahoma Judicial Conference Winter Meeting. Additionally, he was a contributing author to the 2002 OBA Standards of Professionalism and the 1999 OBA Strategic Plan.

Mr. Grimm has authored several articles for the Oklahoma Bar Journal on issues affecting the practice of law, including “Attorney Discipline in Oklahoma, a Historical Prospective”, “The Discipline Diversion Program” and “Unauthorized Practice of Law in Oklahoma”, and “A Practical Approach to Professionalism,” which appeared in the Tulsa Lawyer.

Representative Cases:
• Defendant’s verdict in a trustee’s performance of duties in a multi-million dollar family trust.
• Successful prosecution of trade secret and confidential information theft.
• Injunctive relief against real estate developer in neighborhood preservation.
• Successfully defended a title company and realtors in a RESPA class action case.
• Defendant’s judgment in manufacturer’s warranty & product liability claim.
• Representation of gas traders before the Commodities Futures and Trading Commission.
• Represented trustee of $250 million securitized indebtedness in bankruptcy liquidation.
• Successful defense of $100 million bad faith insurance claim.
• Representation of numerous banks and private lenders.
• Reorganizations of multi-million dollar real estate developer and oil & gas company.
• Defendant’s verdict in private safety deposit box mysterious theft.
• Defendant judgment on bank lender liability claim.
• Bankruptcy trustee of $40 million estate involving hotels, real estate projects and condos.
• Defendant’s verdict in oil & gas operator’s performance under Operating Agreement.
• Plaintiff’s million dollar verdict for fraud against general partner.

Practice Areas

Business Litigation

Estate Planning

Business Services

Real Estate


University of Oklahoma
Juris Doctorate (1973)
Bachelor of Business Administration in accounting and finance (1970)

Bar Admissions

Supreme Court of Oklahoma
United States Supreme Court
5th & 10th Circuit Courts of Appeal
10th Circuit Bankruptcy Appellate Panel
Northern, Eastern & Western United States District and Bankruptcy Courts

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