Denver

(720) 479-3900

(877) 467-0305

(720) 479-3890

Recent News:

Cozen O’Connor Recognized as a “Best Law Firm” in 31 Practice Areas Nationwide, 54 Practice Areas Regionally

In 2024, Best Lawyers received more than 100,000 client references and observed a 65% increase in client participation in their survey.

More

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.

People

Christopher S. Clemenson

Christopher S. Clemenson

Member

Jean M. French

Jean M. French

Attorney

Andrew T.  Hepworth

Andrew T. Hepworth

Member

Cheri L. MacArthur

Cheri L. MacArthur

Office Managing Partner

Benjamin Migliorino

Benjamin Migliorino

Member

Tenaya Newkirk, Ph.D.

Tenaya Newkirk, Ph.D.

Patent Agent

Joseph Okon

Joseph Okon

Associate

Richard R. Rardin

Richard R. Rardin

Member

Jake Rubinstein

Jake Rubinstein

Member

Maggie Stewart

Maggie Stewart

Associate

W. Gustin Vandiford

W. Gustin Vandiford

Associate

Kathryn Warner

Kathryn Warner

Patent Agent

Aaron Zaluzec

Aaron Zaluzec

Attorney

Upcoming Events

News

Cozen O’Connor Recognized as a “Best Law Firm” in 31 Practice Areas Nationwide, 54 Practice Areas Regionally

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.

Michael Heller Talks to Law360 About his Re-election to CEO, Surviving the Pandemic, What Comes Next

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.

Nearly 100 Cozen O’Connor Lawyers, 27 Practices Earn Top Recognition in Chambers USA 2024 Guide

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.”

Tweak To Colo. Sick Leave Rule Helps Ease Compliance

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.

Cozen O’Connor Promotes 23 Attorneys to Member

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.

Legal Issues: Unions Continue Making Waves Across U.S.

August 22, 2023 Jake Rubinstein spoke with Law Week Colorado to discuss the latest trends involving unionized employees in Colorado.

As Tech Market Heats Up, More Firms Are Ready For Denver

June 12, 2023 Curtis Vock was quoted in Law360 discussing the growth of tech and life sciences in Denver and Boulder, Colorado.

Cozen O’Connor Continues State Attorneys General Practice Expansion with Addition of Former Nebraska Consumer Protection Chief Meghan Stoppel

March 02, 2021 Stoppel has served in high-level public roles and led and resolved multistate investigations in key industries including education, financial services, health care, and pharmaceuticals.

Contacts

Cheri L. MacArthur

Office Managing Partner

cmacarthur@cozen.com

(720) 479-3939

Connie Luckey

Office Manager

cluckey@cozen.com

(312) 382-3114