Cozen O’Connor: Killeen, Sarah Earle

Sarah Earle Killeen



(720) 479-3893

(866) 874-7670

Sarah Earle Killeen has successfully litigated a wide array of civil cases and focuses her practice in the prosecution of subrogation claims, products liability, insurance litigation and commercial litigation. She works with a wide array of clients to resolve disputes effectively and economically and to maximize recoveries.

Sarah is on the board of directors for Net Results Junior Tennis, a non-profit organization that provides tennis lessons and after school tutoring to low income children in Denver. She is also a volunteer attorney for Colorado Lawyers for the Arts.

Sarah received her Bachelor of Arts from Barnard College, Columbia University, in 1996, and her law degree from the University of Denver College of Law in 2000.


Cozen O’Connor Names 17 Attorneys to Membership in the Firm

April 28, 2008

Cozen O’Connor has announced that 17 of its associates have been named members of the firm. ''We are extremely proud to welcome these highly qualified attorneys into membership in the firm,'' said Thomas A. Decker, president and chief executive officer of Cozen O'Connor, ''Their individual and combined contributions reflect the talent and strength of our firm.''


Does It Matter How Old My Product Is? - Statutes of Repose in Product Defect Cases [Subrogation & Recovery Law Blog]

June 06, 2014

A frequent question that arises with claims involving alleged defective products is what effect, if any, the age of the product has on recovery. It’s a common misconception that simply because a product is “old,” any claim for damages caused by it are barred. However, the extent to which there could...

A Summer's Rite - Wildfires in the West [Subrogation & Recovery Alert]

July 16, 2013

Recently, wildfires have besieged the Western United States again. Severe heat and drought conditions increase not only the potential for fires but the available fuel if a fire ignites. The Tres Lagunas fire burned more than 10,000 acres of land and was started by downed utility lines. Although the Tres Lagunas fire was contained before any property damage occurred, it is interesting to use it as a case study to consider when investigating fires started by utility lines.

Wildfire Prompts Change to Colorado Governmental Immunity Act [Subrogation & Recovery Law Blog]

June 13, 2012

On Thursday, March 22, 2012, the Colorado State Forest Service initiated a controlled burn on property owned by the Denver Water Board and located in Jefferson County, Colorado. This 50 acre prescribed burn was part of an ongoing fuel management program in the Lower North Fork area pursuant to a...

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.

2007 Rocky Mountain Subrogation Seminar [2007 Rocky Mountain Subrogation Seminar - Program Book]

August 22, 2007

2007 Rocky Mountain Subrogation Seminar - 2007 Rocky Mountain Subrogation Seminar - Program Book - 95 pgs. This seminar booklet contains speaker profiles and PowerPoint presentations from the 2007 Rocky Mountain Seminar.

Application of Colorado's Construction Defect Action Reform Act [Subrogation and Recovery Alert!]

March 12, 2007

Application of Colorado's Construction Defect Action Reform Act - Subrogation and Recovery Alert! - 4 pgs total, includes photos. Although the statutes vary from state to state, there is at least one common theme – before filing suit, the property owner must give contractors written notice describing the specific defect, then allow contractors a fair opportunity to inspect the property and remedy the alleged problem. Topics: SPECIFIC FACTS OF THE COLORADO LOSS; COZEN O’CONNOR ARGUED FOR THE PROPER INTERPRETATION OF THE STATUTE

2006 Rocky Mountain Subrogation Seminar [Rocky Mountain Subrogation Seminar - Program Book]

October 23, 2006

2006 Rocky Mountain Subrogation Seminar - Rocky Mountain Subrogation Seminar - Program Book - 57 pgs. Taken from a subrogation seminar, these presentations discuss mediation basics, fire investigations, the importance of proper case handling, an update on Colorado law, and the allocation of responsibilities between general contractors and subcontractors.

Events & Seminars

Past Events

2019 Denver Subrogation Seminar

June 27, 2019 - Denver, Colorado

2017 Omaha Subrogation Seminar

June 22, 2017 - Omaha, NE

2015 Denver Subrogation Seminar

September 03, 2015 - Denver, CO

2015 Omaha Subrogation Seminar

June 17, 2015 - Omaha, NE

Industry Sectors


  • University of Denver Sturm College of Law, J.D., 2000
  • Columbia University, B.A., 1996
  • California
  • Colorado
  • New Mexico
  • U.S. District Court -- Colorado
  • U.S. District Court -- New Mexico
  • California Bar Association
  • Colorado Bar Association
  • Denver Bar Association