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Ivan is an attorney in Bryan Cave’s Denver office whose practice covers a wide range of legal and regulatory issues, with a focus on energy, environmental and other natural-resource matters.  Ivan has litigated disputes in civil and administrative settings, defended government enforcement proceedings and investigations, and has helped clients participate in the administrative rulemaking process and conduct compliance audits and internal investigations.

Ivan is also a member of Bryan Cave’s TechX, which is a group of Bryan Cave’s forward-thinking attorneys and other professionals that is designed to grow Bryan Cave’s industry-leading legal technology awareness, depth and experience.

Ivan is a sports fan who cheers on his hometown Oklahoma Sooners and the Oklahoma City Thunder, Colorado Rockies, Denver Broncos and Arsenal.  He is also a runner, and enjoys hiking and running in the Rocky Mountains.  In 2013, he and his wife competed in the Namib Desert Challenge, a 5-day, 228 km ultra-marathon event in Africa.

Civic Involvement & Honors

    • Impact Denver, Fall 2016 Class
    • College Track Colorado, Board Member
    • Colorado Super Lawyers, Rising Stars-Business Litigation, 2014, Rising Stars-Environmental, 2015 & Rising Stars-Environmental Litigation, 2016
    • Leadership Oklahoma City, LOYAL Class 5, Graduate
    • Prairie Dance Theatre, Board of Trustees, Former Member
    • Colorado Super Lawyers, Rising Stars-Business Litigation, 2014, Rising Stars-Environmental, 2015 & Rising Stars-Environmental Litigation, 2016
    • Leadership Oklahoma City, LOYAL Class 5, Graduate
    • Prairie Dance Theatre, Board of Trustees, Former Member
    • Prairie Dance Theatre, Board of Trustees, Former Member
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Representative Experience

Energy Sector

  • Lead on-site outside counsel for an integrated energy company in defending a weeklong Environmental Protection Agency (EPA)/National Enforcement Investigations Center investigation of a refinery to determine compliance with Clean Air Act risk-management program implementation requirements and CERCLA and EPCRA reporting requirements.
  • Lead counsel for a national oil and gas trade association in review of and preparation of public comments to EPA’s proposed Source Determination Rule regarding the agency’s definition of the term “building, structure, facility or installation” to determine the “stationary source” for purposes of Clean Air Act permitting as applied to the oil and gas extraction and pipeline industries. Authored comment document and coordinated effort to incorporate views representing dozens of independent producers.
  • Lead counsel for an upstream oil and gas company in a contested proceeding before the Colorado Oil and Gas Conservation Commission (COGCC) challenging another operator's application to engage in enhanced recovery operations. After extensive briefing and a lengthy hearing focusing on expert-witness testimony, the COGCC ruled that the opposing operator could not move forward until it developed a new payout framework and obtained new royalty-owner approvals.
  • Lead counsel for an upstream oil and gas company defending a COGCC enforcement case in response to alleged spills and leaks. The defense involved extensive negotiation with the State Attorney General’s office and environmental enforcement regulators and resulted in a negotiated settlement that absolved the company from liability in return for payment of a substantially reduced penalty.
  • Key team role in strategic response and defense for a midstream operator against claims arising from a produced-water pipeline leak into waterways. The role included leading or supporting efforts to advise on environmental and public-comment issues, coordinate the collection, processing, review and production of documents, coordinate the initial stages of an internal investigation and respond to federal administrative and criminal investigations.
  • Key team role in defense of a midstream operator against claims arising from a crude oil leak into river. The role included leading the collection, processing, review and production of documents and responding to federal administrative investigations.
  • Lead outside counsel for an integrated energy company in conducting a weeklong audit of a refinery to assess compliance with corporate, Clean Air Act and Occupational Safety and Health Administration (OSHA) requirements regarding process hazard analysis.
  • Counsel for an integrated energy company defending federal and state enforcement and investigation issues arising from refinery releases causing surface and groundwater impacts. The defense included issues arising from consent decrees, historic contamination and newly discovered releases, jurisdictional disputes, natural resource damages, neighboring landowner access and business disruption disputes, permitting and public wastewater treatment disputes.

Other Industries

  • Lead counsel for a company in the multifamily housing industry defending a whistleblower investigation by OSHA arising from alleged asbestos exposure.  The whistleblower complaint arose in the context of additional threats by the complainant and a pending criminal case against the complainant.  The defense resulted in a negotiated settlement and OSHA’s administrative closure of the complaint.
  • Lead counsel for landowner in a civil water-rights adjudication case in Oklahoma federal court involving the State of Oklahoma and two Tribes regarding authority to regulate water in SE Oklahoma and apportionment of water rights.
  • Lead counsel for landowner in a contested proceeding before the Oklahoma Water Resources Board regarding the company’s application to increase the volume of groundwater that it could produce. After a hearing focusing on lay and expert testimony and argument regarding potential federal preemption by a U.S. Department of Agriculture loan program, the Board granted the permit application in a 20-page analysis of facts and law.
  • Lead counsel for a mining company protesting the inclusion of its appropriated water right, which the company had used for uranium mining and remediation, on the Colorado decennial abandonment list in an action before the Colorado Water Court. The defense involved negotiation with the State Attorney General’s office and State Engineer and resulted in removal of the company’s water right from the abandonment list.
  • Lead counsel for residential housing company in civil litigation in Colorado defending allegations of landlord violations of Colorado landlord-tenant law and other tort claims arising from alleged mold contamination of mobile-home housing unit. The defense resulted in a negotiated settlement that absolved the company of liability and obtained full release from liability.
  • Counsel for a municipality as plaintiff in an environmental action in federal court in California regarding allegations that the Federal Transit Authority violated NEPA and other federal laws when it agreed to fund a proposed subway construction.
  • Key team role in managing discovery as part of a litigation team in state-court serial tort litigation involving more than 20 cases pending concurrently in defense of a diversified health care company that provides services worldwide.
  • Key team role in managing the preparation of defense witnesses and working with individual defense witnesses to prepare for trial as part of a litigation team in defense of a regional commercial health plan in a $2.5 billion negligence trial that was the first case to reach trial in state-court serial tort litigation.
  • Key team role in coordinating voluntary cleanup program process for industrial warehouse client in Oklahoma and negotiating issues pertaining to liability, environmental monitoring and completion of program. Developed language for Oklahoma Department of Environmental Quality template Memorandum Agreement and Consent Order regarding parties’ agreement as to CERCLA liability for purpose of assuring participants that participation in state program will qualify for CERCLA liability relief upon successful completion of remedial activities to Certificate of Completion. Work on this matter also resulted in publication of paper on the topic in the American Bar Association’s The Environmental Litigator periodical.

Publications

  •   "Annual Environmental Law Update," 63 Rocky Mt. Min. L. Inst. 24-1 (2017)
  • Co-author, "Chemical hazard Communication: What U.S. Employers Need to Know about Globally Harmonized System Standards," American Bar Association Section of Environment, Energy, and Resources, 32 Natural Resources & Environment No.1, Summer 2017
  • Co-author, "The Pride of the Common Law: Oklahoma's Struggle With the Prima Facie Tort Action," 52 Tulsa L. Rev. 41, Fall 2016
  •  Co-author, "The Clean Power Plan and Interstate Trading Programs,” Energy Infrastructure, Siting, and Reliability Committee Newsletter, ABA, June 2016
  • Co-Author, "'Be Afraid. Be Very Afraid:' Dealing with Public Perceptions of Risk in Oil and Gas Development," 61 Rocky Mt. Min. L. Inst. Ch. 26-1, 2015
  • Co-Author, "Emissions Sources and Control Technologies Affecting Upstream and Midstream Oil and Gas," Air Quality Issues Affecting Oil, Gas, and Mining Development in the West, Paper No. 2 Rocky Mt. Min. L. Fedn., 2013
  • Co-Author, “There’s Something in the Air: New and Evolving Air Quality Regulations Impacting Oil and Gas Development,” 58 Rocky Mt. Min. L. Inst. 6-1, 2012
  • Co-Author, "Anadarko Frederick Compressor Station: Source Determinations for the Oil and Natural Gas Industry," 49 Rocky Mt. Min. L. Found. J. 39, 2012
  • Co-Author, "Preserving Claims to Recoup Response Costs During Brownfields Redevelopment - Part 2," American Bar Association Section of Litigation, 22 Environmental Litigator No.3 at 15, Spring 2011
  • Co-Author, "Preserving Claims to Recoup Response Costs During Brownfields Redevelopment - Part 1," American Bar Association Section of Litigation, 22 Environmental Litigator No.1 at 3, Fall 2010
  • "RCRA 101: An Introductory Guide to the Resource Conservation and Recovery Act for the Young Lawyer," American Bar Association Young Lawyers Division, The 101 Practice Series - Breaking Down the Basics, 2009
  • "Adverse to Reason: The Texas Supreme Court's Disconcerting Approach to Adverse Possession of Mineral Leases in the Pool Case and its Progeny," 60 Oklahoma Law Review 817, 2007
  • "Convergence Theory and the Resource Curse: An SOE Empirical Study," Mineral Economics & Management Society, MEMS NEWS, Summer 2005

Speaking Engagements

  • “Understanding AI’s Impact on the Business of Law,” Colorado Association of Law Libraries, November 15, 2017
  • "Annual Environmental Law Update," Rocky Mountain Mineral Law Foundation Annual Institute, July 22, 2017
  • “Deep Dive: How Artificial Intelligence Will Transform the Delivery of Legal Services," American Association of Law Libraries (AALL) Annual Conference, July 17, 2017
  • "The EPA Existing Sources ICR," Bryan Cave Seminar, Denver, Colorado, June 28, 2016
  • “'Be Afraid. Be Very Afraid.' Dealing with Public Perceptions of Risk in Oil & Gas Development” Rocky Mountain Mineral Law Foundation Annual Institute, Anchorage, Alaska, July 18, 2015
  • "Emissions Sources and Control Technologies Affecting Upstream and Midstream Oil and Gas," Rocky Mountain Mineral Law Foundation Special Institute on Air Quality Issues Affecting Oil, Gas, and Mining Development in the West, Denver, Colorado, February 28, 2013