Cheri L. MacArthur

Chair, Subrogation & Recovery, Rocky Mountain Region


(720) 479-3939

(720) 459-6131

Cheri MacArthur joined Cozen O'Connor in 2010 and focuses her practice on representing insurers in large loss subrogation cases arising out of product failures, construction defects, and other negligent conduct. She also represents insureds and other clients with large deductibles or self-insured retentions under similar circumstances. Cheri serves as the office managing partner of the Denver office and chair, Subrogation & Recovery, Rocky Mountain Region.

Cheri has tried several cases to verdict in Colorado, Kansas and California.  She has efficiently, effectively and creatively prosecuted various theories to obtain successful recoveries from responsible third parties.

Cheri received her Bachelor of Arts in clinical and counseling psychology from California State University, San Jose State University, in 1994. She earned her law degree from Santa Clara University in 1997. 


Recently obtained a seven figure settlement for property insurers following a natural gas explosion that occurred when contractors ruptured an unmarked gas service line.

Recovered confidential settlement for insurer of retail establishment sustaining water damage when sprinkler head in fire suppression system failed due to insufficient annual inspection under NFPA 25.

Multimillion settlement for insurer of hotel in Colorado damaged as a result of a fire from defective and improperly installed snowmelt system.

Obtained settlement against installer of fire sprinkler system for negligent installation that resulted in water damage to facility when system failed during hydrostatic testing.

Settled claim against manufacturer of defectively designed PTAC that caused a fire in Kansas hotel.



Hidden Failures of Plastic & Brass Plumbing Parts [Subrogation & Recovery Law Blog]

December 01, 2020

Cozen O’Connor’s Subrogation & Recovery team and National Subrogation Services are pleased to announce Subro on the Go, a podcast hosted by Joe Rich and Dave Brisco that spotlights trending legal, technological, and claims handling issues in today's fast-moving subrogation world. The cause...

Capitalization Matters: Insurer’s Claims against Contractors Not Barred by Anti-Subrogation Doctrine under Policy’s “Property Clause” [Subrogation & Recovery Law Blog]

July 01, 2020

Oftentimes, in claims arising out of losses on construction projects, the insurer will need to undertake a detailed analysis as to whether a potentially responsible general contractor or subcontractor can be pursued for its negligent acts or omissions that resulted in the damages. Contractors...

Don’t End Up in Hot Water: InSinkErator Hot Water Filter Canister Bar Date Approaching [Subrogation & Recovery Law Blog]

March 04, 2020

If you are handling or investigating any water losses due to the failure of certain InSinkErator brand F-201 instant hot water filter systems, you may be able to benefit from a class action settlement. A class action suit, entitled Richard Desio et al v. InSinkErator et al., was brought in the...

Snow: A Skier’s Delight, a Rooftop’s Demise [Subrogation & Recovery Law Blog]

November 27, 2018

As winter approaches and snow and ice begin to cover parts of the nation, property owners in the affected areas will begin to rely upon snowmelt systems to keep roofs free of snow and ice. In recent years, to avoid the eyesore of heat cable running along the rooftop, snowmelt systems that can be...

Update: The Big Chill of 2011 - Evaluating Subrogation Claims Arising From the February 2011 Interruption of Gas Service by New Mexico Gas Company [Subrogation and Recovery Alert!]

March 31, 2011

Update: The Big Chill of 2011 - Evaluating Subrogation Claims Arising From the February 2011 Interruption of Gas Service by New Mexico Gas Company - Subrogation and Recovery Alert! - Recent factual developments into the cause of freeze losses in early to mid February in New Mexico point to viable subrogation claims against the New Mexico Gas Company, a natural gas utility, for interrupting gas service to many of its customers. This Alert provides insight and analysis into the successful presentation of subrogation claims arising from that gas service interruption.

Events & Seminars

Past Events

2019 Denver Subrogation Seminar

June 27, 2019 - Denver, Colorado

2018 Omaha Subrogation Seminar

June 21, 2018 - Omaha, NE

2017 Omaha Subrogation Seminar

June 22, 2017 - Omaha, NE

2014 Milwaukee Subrogation Seminar

August 20, 2014 - Milwaukee, WI

2014 Denver Subrogation Seminar

August 14, 2014 - Denver, CO

2014 Omaha Subrogation Seminar

June 17, 2014 - Omaha, NE

2014 St. Louis Subrogation Seminar

June 16, 2014 - St. Louis, MO

Industry Sectors


  • Santa Clara University School of Law, J.D., 1997
  • San Jose State University, B.A., 1994
  • California
  • Colorado
  • Kansas
  • Nebraska


  • U.S. District Court -- Central District of California
  • U.S. District Court -- Eastern District of California
  • U.S. District Court -- Northern District of California
  • U.S. District Court -- Southern District of California
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. District Court -- Colorado
  • U.S. District Court -- Kansas
  • U.S. District Court -- Nebraska

National Association of Subrogation Professionals (NASP)

Claims and Litigation Management Alliance (CLM)

Colorado Bar Association

Colorado Women's Bar Association

Denver Bar Association

Nebraska State Bar Association

Kansas Bar Association