Cheri L. MacArthur

Chair, Subrogation & Recovery, Rocky Mountain Region

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.



Cozen O’Connor Announces Seven New Shareholders

August 31, 2021

Cozen O’Connor is pleased to announce the promotion of seven members to shareholders: Steven P. Katkov, Erick J. Kirker, Cheri L. MacArthur, Alycen A. Moss, Lisa J. Myers, Michael Rafalko, and David A. Shimkin.


Chasing Checks: End of the Year Tips and Tricks [Subrogation & Recovery Law Blog]

October 31, 2023

It’s that time of the year again! As the MLB World Series is underway, subrogation professionals are also gearing up for their own playoff run to reach their year-end goals, getting ready for end of the year mediations and looking to resolve those lingering pre-litigation cases with outstanding...

Whirlpool Fined $11.5M for Failing to Notify of Faulty Cooktops [Alert]

August 28, 2023

The U.S. Consumer Product Safety Commission approved a settlement with Whirlpool, which will pay $11.5 million in civil penalties.

New Mexico Burning – A Raging Start to Wildfire Season [Alert]

May 05, 2022

Fifteen wildfires have occurred since early April.

The Marshall Fire – Colorado’s Most Destructive Fire

December 31, 2021

Cheri MacArthur discusses the Marshall Fire in Boulder County and potential subrogation possibilities that may arise when investigating the cause.

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...

Industry Sectors


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