
Jason Kosloski
Denver, CO; Criminal Defense & Civil Rights
Practice Areas
Criminal Defense, Civil and Human Rights, Civil Rights, Constitutional Law
Main Office
Kosloski Law, PLLC
1312 17th Street, Suite 2779
Denver, CO 80202
Phone: 720-605-6487
About Jason Kosloski
Jason Kosloski is an accomplished trial attorney with a wealth of experience in criminal defense. Known for his unwavering dedication to his clients and a steadfast commitment to justice, Jason brings determination and skill to every case he handles.
Before founding Kosloski Law, PLLC, Jason spent more than eight years with the Colorado State Public Defender, where he represented hundreds of clients across the state. During this time, he handled some of Colorado's most complex and high-stakes cases, including homicides, sexual assaults, racketeering, drug distribution, and financial fraud. He has also managed post-conviction claims involving ineffective assistance of counsel. With approximately forty jury trials under his belt, Jason has secured favorable outcomes in cases ranging from DUI charges to first-degree murder, covering nearly every type of criminal charge prosecuted in Colorado.
Jason’s legal approach is enhanced by his in-depth understanding of forensic evidence, technical investigations, and mental health defenses. His work in DNA litigation earned him recognition as a resource for navigating complex scientific and technical evidence within the public defender system. He has also successfully handled cases involving mental health issues, including Not Guilty by Reason of Insanity (NGRI) pleas and competency challenges, underscoring his ability to address the multifaceted aspects of criminal defense.
Clients often describe Jason’s approach as a combination of meticulous preparation, strategic thinking, and empathetic advocacy. He takes the time to understand each client's unique situation, knowing that legal issues can arise during some of the most challenging times in their lives. Whether pursuing trial victories or negotiating plea agreements, Jason is committed to achieving the best possible outcomes for those he represents.
Jason earned his Juris Doctor from the University of Denver Sturm College of Law, where he was involved with the Denver Law
Education
University of Denver Sturm College of Law, Juris Doctor-2016Regis University, BS-2013
Bar Associations
Colorado Bar AssociationColorado Criminal Defense Bar
Denver Bar Association
Honors & Awards
Best Advocate, University of Denver Student Trial Lawyers Association-2014Semi-Finalist, Hogan Lovells CU/DU Cup-2014
