Satisfied Clients

Real People, Real Reviews
Great attorney; smart, tough advocate.

Great attorney; smart, tough advocate. When you got him on your side, you can be assured he'll defend you to the utmost.

Mike is trustworthy and highly effective.

I have been receiving legal advice from Petrash Law for years, and wouldn’t trust anybody else with this. Mike is trustworthy and highly effective. He is without a doubt the...

Mike was incredibly thoughtful and understanding.

His meticulous attention to detail and ability to work through an incredibly stressful situation were paramount. Mike was incredibly thoughtful and understanding. His meticulous attention to detail and ability to...

We trust him implicitly.

Mike is a compassionate, thorough, and highly knowledgeable attorney. He took the time to understand our case and presented our options in a thoughtful and clear way. We trust him...

meet mike petrash

Mike is former senior prosecutor and a criminal litigation attorney in Denver, Colorado where he has practiced criminal law for his entire career. Mike spent over eight years as a prosecutor at the Boulder District Attorney’s Office. Mike appeared in court daily, prosecuted thousands of cases, and conducted over ninety jury trials. Mike spent his last five years in the office as a Senior Deputy District Attorney in the Special Victims Unit, where he supervised law enforcement in complex case investigations and prosecuted felony sex offenses, child abuse, and homicides. In 2019, Mike was awarded the Champions for Children Award for his outstanding courtroom advocacy for child victims of sexual assault.

Mike has trained law enforcement, prosecutors, victims’ advocates, and law students extensively throughout his career, regularly lecturing at the University of Colorado Law School. Mike left the DA’s office in 2021 and spent a year at a law firm before opening Petrash Law in 2022. As a criminal defense attorney, Mike has defended hundreds of people charged with offenses ranging from minor traffic offenses to serious felonies and white-collar crimes. Mike also defends people who are being investigated for criminal ffenses, helping them navigate the investigation process and protecting their rights.

Mike graduated from the University of Denver – Sturm College of Law in 2013. In law school, Mike was an Editor of the Denver Law Review and he interned at the Denver District Attorney’s Office in the Gang Prosecution Unit and in the County Court Division. He was also a teaching assistant in criminal procedure and criminal law.

Mike grew up in Maryland just outside of Washington, D.C. He received his BA from Bucknell University where he was a member of the school’s Division 1 lacrosse team. He currently resides in Denver with his wife and two children.

Past and Present Trainings/Accomplishments/Committees

  • 2019 Blue Sky Bridge Champions for Children Award
  • Lecturer University of Colorado Law School – trial practice, juvenile law, voir dire practicum
  • CLE Instructor for Colorado District Attorneys’ Council
  • Updated case law training at Boulder County Sheriff’s Office
  • DUI investigations training at the Boulder County Sheriff’s Office
  • Updated case law training at the Lafayette Police Department
  • Sexual assault investigation training – University of Colorado Office of Equity and Compliance (Title IX)
  • Presenter at University of Denver Law Law Enforcement Marijuana Conference – marijuana DUI investigations
  • Voting member of the Colorado Sex Offender Management Board
  • Boulder DA’s Office Sexual Misconduct Task Force
  • Boulder DA’s Office Criminal Justice Reform Task Force
  • Boulder DA’s Office Hate Crimes Task Force
  • Testified on proposed legislation at the Colorado State Capitol
  • Training – bystander intervention in sexual assault – University of Colorado Intrafraternity Council
Satisfied Clients
Hear From Real People I've Helped
Great attorney; smart, tough advocate.

Great attorney; smart, tough advocate. When you got him on your side, you can be assured he'll defend you to the utmost.

Dennis J.
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Mike is trustworthy and highly effective.

I have been receiving legal advice from Petrash Law for years, and wouldn’t trust anybody else with this. Mike is trustworthy and highly effective. He is without a doubt the...

Matt S.
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Mike was incredibly thoughtful and understanding.

His meticulous attention to detail and ability to work through an incredibly stressful situation were paramount. Mike was incredibly thoughtful and understanding. His meticulous attention to detail and ability to...

Edward H.
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We trust him implicitly.

Mike is a compassionate, thorough, and highly knowledgeable attorney. He took the time to understand our case and presented our options in a thoughtful and clear way. We trust him...

Reena S.
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Mike Petrash is a sophisticated advocate you want in your corner when it matters.

Tenacious. Unrelenting. Mike Petrash is a sophisticated advocate you want in your corner when it matters. From years of experience in the DA's office, Mr. Petrash possesses first hand knowledge...

Gabriel B.
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So grateful for his representation. He restored my reputation.

Very impressed with Mike Petrash. Although the crime I was charged with was unfair, the state of Colorado doesn’t dismiss it lightly - most of the time at all. Mike...

Estee D.
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