About Gregory L. Mahaffey

Tau Beta Pi; Alpha Pi Mu; Phi Delta Phi.

Awards

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Services

Areas of Law

  • Administrative Law
  • Litigation 1
    • Civil Litigation
  • Appellate Practice
  • Other 1
    • Oklahoma Corporation Commission Law

Practice Details

  • Firm Information
    Position
    Shareholder
    Firm Name
    Mahaffey & Gore, P.C.
  • Representative Cases & Transactions
    Cases
    Stolz Wagner & Brown vs. J. Walter Duncan, 417 F. Supp. 552 (W.D. Okla. 1976)
    PCX Corporation vs. Oklahoma Corporation Commission, 699 P. 2d 1103 (Okla. App. 1984)
    LPCX Corp. vs. Faulkner, 818 P.2d 431 (Okla. 1991): Withrow vs. Red Eagle Oil Co., 755 P.2d 622 (Okla. 1988)
    Home-Stake Production Co. v. Talon Petroleum, CA, 907 F. 2d 1012 (10th Cir. 1990)
    French Petroleum vs. Oklahoma Corporation, Commission, 805 P.2d 650 (Okla. 1991)
    Nilsen vs. Ports of Call Oil Company, 711 P.2d 98 (Okla. 1985)
    Arrowhead Energy Company v. Baron Exploration Company 930 P.2d 181 (Okla. 1997)
    Pitco Production Co. v. Chaparral Energy, 63 P.3d 541 (Okla. 2003)
    Fox v. Maulding, 112 F. 3d 453 (10th Cir. 1997)
    Sac
    Fox Tribe of Indians of Oklahoma v. Apex Const. Co., Inc., 757 F.2d 221 (10th Cir. 1985)
    Harding & Shelton, Inc. v. Prospective Inv.
    Trading Co., 123 P.3d 56 (Okla. Civ. App. 2005)
    Sundown Energy, L.P. v. Harding & Shelton, Inc., 245 P.3d 1226 (Okla. 2010).
  • Additional Links

Experience

  • Bar Admission & Memberships
    Admissions
    1975, Oklahoma
    1978, U.S. District Court, Eastern District of Oklahoma and U.S. Court of Appeals, Tenth Circuit
    1985, U.S. Supreme Court
    1975, U.S. District Court, Northern and Western Districts of Oklahoma
    Memberships
    Oklahoma County, Oklahoma and American Bar Associations
    Mineral Lawyers Group (Member, President, 1990-1991).
  • Education & Certifications
    Law School
    University of Oklahoma
    Class of 1975
    J.D.
    Other Education
    Texas Tech University
    Class of 1972
    B.S.I.E.

    Oklahoma State University
  • Personal Details & History
    Age
    Born in 1950
    Fort Worth, Texas, 1950
    Hobbies & Interests
    Flying, golf, fly fishing
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Attorneys FAQs

  • Is this attorney admitted to practice in any U.S. Federal Courts?
    Gregory L. Mahaffey is admitted to practice before the United States Supreme Court.
  • Is this attorney Martindale-Hubbell Peer Review rated?
    Yes, Gregory L. Mahaffey has a 5.0 Peer Rating from Martindale-Hubbell.
  • How many attorneys are in this law firm?
    Mahaffey & Gore, P.C. has 13 attorneys at this location.
  • What law school did this attorney attend?
    Gregory L. Mahaffey attended University of Oklahoma.
  • What year was this attorney's law firm established?
    Mahaffey & Gore, P.C. was established in 1980.