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Recent News:
Best Lawyers selected 247 Cozen O’Connor lawyers from 26 of the firm’s U.S. offices for inclusion in the 2027 edition of The Best Lawyers in America and Best Lawyers: Ones to Watch in America.
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The attorneys in Cozen O’Connor’s Denver office provide a full range of services including complex commercial litigation in the areas of oil and gas, environmental, labor and employment, subrogation and recovery, insurance coverage, intellectual property issues, maritime, product liability, toxic tort and construction. Our clients run the gamut from individuals and startups to Fortune 500 companies in a variety of industries including insurance, energy, technology, pharmaceutical and life sciences, and manufacturing.
Established in June 2003, the Denver office marks the firm's expansion into the Mountain States region, including Colorado, Wyoming, New Mexico, North Dakota, South Dakota, Kansas and Nebraska. Our office is located in the central business district of downtown Denver.
August 20, 2026
Best Lawyers selected 247 Cozen O’Connor lawyers from 26 of the firm’s U.S. offices for inclusion in the 2027 edition of The Best Lawyers in America and Best Lawyers: Ones to Watch in America.
March 23, 2026
Joe concentrates his practice on a broad range of insurance coverage issues. He is experienced in litigating cases from pleadings through summary judgment and trial.
June 05, 2025
Chambers USA, the leading annual guide to the top lawyers and law firms in the United States, has ranked 98 Cozen O’Connor lawyers as leaders in their respective fields in the guide’s 2025 edition.
March 20, 2025
“It’s always a pleasure to recognize the hard work and dedication of our attorneys and government relations professionals,” said Chairman and Chief Executive Officer Michael J. Heller. “This outstanding class of new members and senior principals will undoubtedly propel Cozen O’Connor’s ongoing success.”
November 07, 2024
In 2024, Best Lawyers received more than 100,000 client references and observed a 65% increase in client participation in their survey.
October 15, 2024
Following his unanimous re-election to CEO, Michael Heller spoke with Law360 Pulse about the successes and challenges of the last three years and his priorities for the next three.
June 10, 2024
Chambers USA rankings are based on an “assessment of a firm’s work and opinions from external market sources, with an emphasis on client feedback.” In order to be ranked in the guide, lawyers and firms must demonstrate “sustained excellence.”
April 05, 2024
Jake Rubinstein was quoted in a Law360 article discussing the Colorado Department of Labor and Employment’s (CDLE) recent change to its paid sick leave rule, allowing employers to calculate a worker's hourly rate for paid sick time by averaging their hourly earnings over the previous 28 to 31 days, amending the formerly used 30-day lookback period.
March 15, 2024
“This is a group of terrific lawyers across many offices and practices areas and we look forward to following their achievements,” said Executive Chairman and Chief Executive Officer Michael J. Heller.
August 22, 2023
Jake Rubinstein spoke with Law Week Colorado to discuss the latest trends involving unionized employees in Colorado.
June 12, 2023
Curtis Vock was quoted in Law360 discussing the growth of tech and life sciences in Denver and Boulder, Colorado.