Ivan London is a senior associate in the Environmental, Safety & Health Practice based in the Denver office. Ivan handles a broad range of litigation matters, including serving as lead counsel in federal and state civil and administrative litigation matters and enforcement defense matters with federal and state agencies.

    Ivan currently serves as a member of the following industry- and law-related boards: the Board of Advisors for the Western Energy Alliance, the Litigation Advisory Council/Board of Litigation for the Mountain States Legal Foundation and the Advisory Council for the Colorado Bar Association’s Environmental Law Section.

    Award Mouse thought multimedia interface book medal screen monitor
    • As lead litigation counsel, representing an oil and gas industry trade association at the U.S. District Court for the District of Columbia as intervenor-defendant in a case filed by public-interest groups pursuant to the Administrative Procedure Act (APA) and National Environmental Policy Act (NEPA). In the case, the plaintiffs have sought vacatur of federal oil and gas leases covering nearly 2,000,000 acres across five Western states, including leases held by the association’s members.
    • As lead litigation counsel, representing an oil and gas industry trade association as amicus curiae in a case and potentially several additional cases filed by public-interest groups pursuant to the APA and NEPA pertaining to the federal government’s issuance of oil and gas leases and permits.
    • As lead appellate counsel, represented an oil and gas well-services company as appellant at the Colorado Court of Appeals in a case regarding civil procedures for amending pleadings and obtaining default judgments. The Court of Appeals found in favor of the client, vacating a default judgment awarded against the client and remanding to the district court.
    • As litigation counsel, represented a large independent oil and gas exploration and production company in defense of litigation arising under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) at the U.S. District Court for the District of Colorado related to historic operations at a mining site in southern Colorado. The client counterclaimed against the federal government on the ground that the government owned part of the old mining site, and was liable under CERCLA.
    • As lead litigation counsel, represented a coalition of 37 US legislators (senators and representatives) as amici curiae in a case regarding whether the regulators in the President Trump Administration lawfully rolled back the oil and gas “Waste Prevention” (or, “Venting and Flaring”) regulations imposed by regulators in the President Obama Administration.
    • As appellate and litigation co-counsel with a public-interest group, representing a small oil and gas company as appellee at the D.C. Circuit Court of Appeals in a case regarding the limits on the federal government’s ability to cancel an oil and gas lease once it has issued that lease pursuant to the Mineral Leasing Act. Serving as co-counsel in the district court proceedings in the case, which is currently at the U.S. District Court for the District of Columbia.
    • As lead appellate counsel, represented a coalition of five Utah Counties and six Utah Legislators as amici curiae in support of a petition for writ of certiorari at the U.S. Supreme Court in a case regarding the President Obama Administration’s reliance on the Antiquities Act of 1906 to designate a large area of submerged land as a “monument.” The monument is the Northeast Canyons and Seamounts Marine National Monument. The Court denied the petition on March 22, 2021; however, Chief Justice Roberts published a Statement respecting the denial of certiorari that was consistent with arguments presented in the amici curiae brief.
    • As lead appellate counsel, represented a full-service communication infrastructure provider as intervenor-appellee before the Assembly of the City and Borough of Juneau, Alaska, in an appeal of the issuance of a wireless communication facility permit for a cell tower, arguing the case on September 2, 2020, and the Assembly affirmed the issuance of the permit and denied the appeal.
    • As appellate counsel, representing an astronomy professor as amicus curiae before the D.C. Circuit Court of Appeals in support of vacatur of a Federal Communications Commission order granting a communications company’s application to launch thousands of satellites into low-Earth orbit. The appeal involves arguments alleging that the Commission did not comply with NEPA. The brief was filed in August 2021.

    Education

    • University of Oklahoma, J.D., with distinction, 2008
    • Colorado School of Mines, M.S., 2004
    • Macalester College, B.A., 2003

    Admissions

    • Alaska, 2020
    • Colorado, 2012
    • Oklahoma, 2008

    Courts

    • U.S. Supreme Court
    • U.S. District Court for the District of Alaska
    • U.S. District Court for the District of Colorado
    • US District Court for the Northern District of Oklahoma
    • US District Court for the Eastern District of Oklahoma
    • U.S. District Court for the Western District of Oklahoma
    • U.S. Court of Appeals for the District of Columbia
    • U.S. Court of Appeals for the 9th Circuit
    • U.S. Court of Appeals for the 10th Circuit

    Memberships and Affiliations

    • Member of the Board of Advisors for the Western Energy Alliance
    • Member of the Litigation Advisory Council/Board of Litigation for the Mountain States Legal Foundation
    • Member of the Advisory Council for the Colorado Bar Association’s Environmental Law Section
    • Listed as “Rising Star” in Environmental Litigation in Colorado by Super Lawyers each year since 2014

    • Conference Co-Chair, “Air Quality Issues Affecting Oil, Gas, and Mining Development and Operations”, Rocky Mountain Mineral Law Foundation, Denver, Colorado, February 6–7, 2018.
    • Author, “The Changing Regulatory and Legal Landscape of Air Quality and Climate Change Law under the Trump Administration, Air Quality Issues Affecting Oil, Gas, and Mining Development and Operations 1-1”, Rocky Mountain Mineral Law Foundation, 2018.
    • Speaker, “Deep Dive: How Artificial Intelligence Will Transform the Delivery of Legal Services”, presentation at the American Association of Law Libraries Annual Conference, July 17, 2017.
    • Author and Speaker, “Annual Environmental Law Update”, 63 Rocky Mt. Min. L. Inst. 24-1, 2017, and at the Rocky Mountain Mineral Law Foundation Annual Institute, Santa Fe, New Mexico, July 22, 2017.
    • Author, “The Pride of the Common Law: Oklahoma’s Struggle with the Prima Facie Tort Action”, 52 Tulsa L. Rev. 41, Fall 2016.

    Award Mouse thought multimedia interface book medal screen monitor