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Person Photo

Tina Van Bockern

Of Counsel

555 17th Street, Suite 3200, Denver, CO 80202

Tina guides clients through administrative and civil appeals, developing strategies to build and preserve the record and continuing through briefing and oral argument.

Drawing on years of experience representing oil and gas and mining clients on all aspects of project development and environmental compliance, Tina regularly litigates and appeals agency regulations, decisions, and orders affecting these industries. She also assists clients in appealing trial court decisions involving a variety of substantive areas including public land use and development, oil and gas and mining law, environmental law, royalties, class actions, Indian law, family law, and administrative law and procedure.

Prior to joining Holland & Hart, Tina served as a judicial law clerk for Judge Anne M. Mansfield, and as a judicial fellow for Judge Ann B. Frick, both in the Denver District Court.


Depth of Experience: Tina specializes in administrative and civil litigation and appeals in a broad array of substantive areas, including:

  • Oil and gas and mining law
  • Environmental law 
  • Public Lands and National Environmental Policy Act (NEPA)
  • Indian law
  • Family law
  • Administrative law and procedure

Broad Range of Experience: In addition to litigating in Colorado state courts, Tina has litigated in Federal Courts across the country, including:

  • U.S. Court of Appeals for the Sixth Circuit
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. Court of Appeals for the Tenth Circuit
  • U.S. Court of Appeals for the D.C. Circuit
  • U.S. District Court for the Northern District of California
  • U.S. District Court for the District of Colorado
  • U.S. District Court for the District of Columbia
  • U.S. District Court for the Eastern District of Kentucky
  • U.S. District Court for the District of New Mexico
  • U.S. District Court for the District of North Dakota
  • U.S. District Court for the District of Montana
  • U.S. District Court for the District of Wyoming

She has also brought numerous appeals before the U.S. Department of Interior's Office of Hearings and Appeals, Interior Board of Land Appeals, Interior Board of Indian Appeals, and various federal agencies.

Client Results

    • Successfully litigated and defended on appeal a challenge to permitting decision under Surface Mining Control and Reclamation Act. M.L. Johnson Family Properties, LLC v. Bernhardt, 924 F.3d 842 (6th Cir. 2019).
    • Successfully appealed trial court order precluding husband from raising the defense of laches to former wife's claim for interest on child support arrears. In re Marriage of Johnson & Johnson, 380 P.3d 150 (Colo. 2016).
    • Successfully appealed trial court's entry of default permanent orders where husband had participated in proceedings. In re Marriage of Zhang & Li, 19CA0605 (Colo. App. 2020).
    • Defeated requests for injunctive relief in administrative appeals challenging federal leasing and permitting decisions under NEPA.
    • Successfully appealed and settled civil penalties issued by the U.S. Office of Natural Resource Revenue (ONRR).



Speaking Engagements


Bar Admissions

Court Admissions


  • Best Lawyers: Ones To Watch, Environmental Law, 2021, 2022; Oil and Gas Law, 2022

Professional and Civic Affiliations

  • Colorado Bar Association
    • Civil Appeals Clinic, Volunteer, 2020
    • Federal Pro Se Clinic, Volunteer, 2019-present
    • Litigation Section, Appellate Subcommittee, Member, 2019-present
    • Appellate Pro Bono Program, Volunteer, 2014-present
  • Women's Energy Network, Member, 2017-present
  • Colorado Pledge to Diversity, Steering Committee Member and Holland & Hart Representative, 2016-present
  • American Bar Association, Section of Environment, Energy, and Resources, Member, 2011-2020
  • The Foundation for Natural Resources and Energy Law, Member, 2011-present
  • Metro Volunteer Lawyers, Denver Post Decree Consultation Clinics, Volunteer, 2008-present

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