Casey C. Breese joined the Denver office of Welborn Sullivan Meck & Tooley, P.C. in March of 2019.  His practice focuses on energy and business litigation.  Mr. Breese has a variety of experience in the real property legal sector, in addition to other complex commercial disputes.  During law school, Mr. Breese was a Staff Editor for the Washington University in St. Louis School of Law Journal of Law and Policy, as well as a Teaching Assistant for the legal practice department. While in law school, Mr. Breese received the Excellence in Oral Advocacy Award, as well as the Carmody McDonald Legal Practice Excellence Award.  Following law school, Mr. Breese worked as a commercial litigator at a large firm in St. Louis, Missouri.  Mr. Breese moved to Colorado in 2017, at which point he worked for an energy law firm located in downtown Denver prior to joining Welborn Sullivan Meck & Tooley, P.C.  Mr. Breese prides himself on finding cost-efficient, effective resolutions to the many issues his clients may face.

Representative Matters

  • Conducted settlement negotiations for clients in contentious employment lawsuit and recovered over $400,000 in unpaid bonuses from former employer
  • First-chaired bench trial involving landlord/tenant dispute, obtaining favorable verdict compensating landlord for tenant damages
  • Obtained loan judgment exceeding $500,000 and negotiated receivership agreement to increase receiver reporting and promote sale of multi-million dollar commercial property
  • Successfully challenged unfavorable contractual attorneys’ fee provision in construction contract resulting in the protection of $950 thousand arbitration award
  • Represented energy client in controversial, novel project and provided assistance in partnering with local government to establish goodwill and achieve economic goals

Publication, Presentations & Accolades

  • “Field Landman Question of the Month,” The Rocky Mountain Landman, Denver Association of Petroleum Landmen (Summer 2018).
  • “The 2017 Survey on Oil & Gas – Colorado,” Oil and Gas, Natural Resources, and Energy Journal, Volume 3, No. 3 (2017).
  • Staff Editor, Washington University in St. Louis School of Law Journal of Law & Policy
  • Carmody McDonald Legal Practice Excellence Award
  • Excellence in Oral Advocacy Award


Mr. Breese grew up in Paducah, KY. He attended Missouri State University in Springfield, MO where he completed his B.S. in Marketing Research, graduating summa cum laude. Mr. Breese attending Washington University in St. Louis School of Law, graduating in May 2016. Mr. Breese began as an associate later that year with a large law firm in St. Louis, Missouri, before deciding to move to Denver, Colorado to take on new opportunities and make new adventures. Mr. Breese enjoys skiing, running, live music and taking advantage of the various outdoor activities Colorado offers.

Casey C. Breese

Practice Areas
  • Real Property Litigation
  • Complex Commercial Litigation and Arbitration
  • Employment Law
  • Civil Trials and Appeals

  • J.D., Washington University, May 2016
  • B.S., Missouri State University, summa cum laude

Bar Admissions / Qualifications
  • Colorado
  • Utah
  • New Mexico
  • Missouri (inactive)

professional & community activities
  • The Missouri Bar
  • Colorado Bar Association
  • Denver Bar Association
  • Denver Association of Petroleum Landmen