The 2021 edition of Chambers USA ranked Welborn Sullivan Meck & Tooley’s Denver office as 1 of 8 Colorado law firms in the Natural Resources & Energy practice area and 1 of 11 Colorado law firms in the Environment practice area. Our Casper, Wyoming office was...
Firm News
Six Welborn Attorneys Recognized as Colorado Super Lawyers
Congrats to Welborn attorneys Amy Seneshen and Rebecca W. Watson for being recognized as 3 of the 8 Colorado Super Lawyers in the field of Energy & Natural Resources Law. Allison MacKinnon and Jens Jensen were recognized as Rising Stars in Energy & Natural...
Welborn Attorney Featured in Colorado Super Lawyers Magazine
Welborn is excited to have Jens Jensen featured in Colorado Super Lawyers Magazine!
Five Welborn Attorneys Named as Top Denver Lawyers
Congratulations to five Welborn attorneys for being named some of 5280 Magazine’s Top Lawyers of 2021. This annual list of the best attorneys in the region is voted on by peers from over 50 legal specialties from the seven-county Denver metro area. Our Top Lawyers and...
Welborn Named Among the Best Law Firms of 2021
Welborn was named among the 2021 “Best Law Firms” recently published in U.S. News & World Report, earning a Tier 1 ranking in Colorado in Natural Resources Law, Energy Law, Oil & Gas Law, Commercial Litigation, Administrative/Regulatory Law, and Water Law and...
Welborn Advises Orion Mine Finance and Sweetwater Royalties in Acquisition of Oxy Land Grant Assets for $1.33 Billion
Welborn Sullivan Meck & Tooley advised Orion Mine Finance and Sweetwater Royalties in connection with the acquisition of Occidental Petroleum Corporation’s Wyoming, Colorado, and Utah Land Grant assets for approximately $1.33 billion. The assets include...
Ken Barbe Selected as President-Elect of the Wyoming State Bar
Congratulations to Welborn shareholder Ken Barbe, who was recently selected as the President-Elect of the Wyoming State Bar. Read more at https://www.wyomingbar.org/barbe-elected-president-elect-of-wyoming-state-bar/
14 Welborn Lawyers Named as Best Lawyers in America®
Welborn Sullivan Meck & Tooley is pleased to announce that 14 Welborn lawyers were recently included in the 2021 edition of the Best Lawyers in America®, which is based on a peer-review survey of professional expertise. Congratulations to Hampton O’Neill, who was...
Welborn Team Ranked by Chambers USA 2020
Chambers USA ranks several Welborn attorneys in its 2020 edition: J. Kenneth Barbe in the practice areas of Corporate/M&A and Real Estate John Masterson in the practice area of Litigation: General Commercial James Sanderson in the practice area of Environmental...
Welborn Attorneys Recognized as 2020 Colorado Super Lawyers and Rising Stars
Welborn congratulates our 2020 Colorado Super Lawyers and Rising Stars. Rebecca Watson, Amy Seneshen, and Laura Lindley were named Super Lawyers in the Energy & Natural Resources category, Keith Tooley and Brian Tooley were honored in the Business Litigation...
Welcome to Julie Rosen and Jim Sanderson
Welborn is pleased to announce that environmental lawyers Julie Rosen and Jim Sanderson are joining the firm’s Denver office. Rosen and Sanderson are well known for their extensive experience in air and water quality permitting and compliance, regulation development...
Congratulations to New Shareholder Allison McKinnon
Welborn congratulates Allison MacKinnon, who has been promoted to shareholder. Allison represents publicly traded and privately held companies in a wide range of oil and gas transactions, with a focus on acquisitions and divestitures in the upstream and midstream...











