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About me

Jonathan S. Willett was born and raised in New York City. He attended college in Colorado, receiving his Bachelor of Arts degree in philosophy from the University of Colorado in 1982. After graduation, Mr. Willett returned to New York City to work as a writer, but found himself longing for the Colorado Mountains. In 1983, he enrolled in the University of Denver College of Law.


At the University of Denver College of Law, Mr. Willett was the Articles Editor of the Denver University Law Review. Mr. Willett published a Note, Evolving Standards for Duty of Fair Representation Cases Under Section 301, 62 Den. U. L. Rev. 627 (1985). Mr. Willett graduated from the College of Law with a Juris Doctor degree in 1986.


Mr. Willett was employed as an attorney in the Appellate Division of the Colorado State Public Defender in Denver from 1986 to 1989. In 1989, Mr. Willett became a trial deputy with the Jefferson County trial office of the Colorado State Public Defender located in Golden, Colorado.


In mid 1992, he then began working for the law firm of Chalat & Company. Mr. Willett became a sole proprietor in 1994. As a private attorney, Mr. Willett has handled medical and legal malpractice cases, civil rights cases, family matters including child custody, employment cases, personal injury matters, ski litigation, and every type of criminal case ranging from the death penalty to white collar crime and juvenile delinquency. Mr. Willett has been attorney of record in over 60 jury trials and 125 appeals. Mr. Willett appears as counsel of record in 25 published opinions of the Colorado Court of Appeals, the Colorado Supreme Court and the Tenth Circuit Court of Appeals.


Mr. Willett has lectured on a variety of criminal law, appellate practice, trial advocacy and juvenile law topics, publishing written materials as well. Mr. Willett has been accepted as an expert witness in criminal law at least fifteen times.  Mr. Willett is admitted to practice in all Courts in the State of Colorado and the State of New York, as well as the United States District Court for Colorado, the Tenth Circuit Court of Appeals, and the Supreme Court of the United States.


When he is not working, Mr. Willett enjoys spending time with his family and staying active by skiing, snowboarding, cycling, running and playing frisbee.


Practice areas


  1. Appeals: 20%
    5 years
  2. Criminal Defense: 20%
    5 years
  3. Domestic Violence: 10%
  4. DUI & DWI: 10%
  5. Other: 40%
  6. More 



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Attorney endorsements

4 total 

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  • Michael S. Waddington

    I endorse Jonathan. He is a highly skilled attorney that is well respected in the legal community.


    Michael Waddington Military Law Attorney
    Relationship: Fellow lawyer in community

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    Jonathan is a smart, aggressive, caring, practical, and cost-effective lawyer who has effectively assisted several people who I have referred to him.


    Steven Choquette Litigation Attorney
    Relationship: Worked together on matter

Contact info

Jonathan S. Willett Attorney at Law

1775 Sherman Street, Suite 1650
Denver, CO, 80203

255 Canyon Boulevard
Suite 100
Boulder, CO, 80302

1775 Sherman Street
Suite 1650
Denver, CO, 80203



NYCurrently registered 200803/13/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
AV Preeminent 5.0 out of 5 Peer Review Rated Since 2000Martindale-Hubbell2015
Client Distinction AwardMartindale-Hubbell2015
Top 100Top 100 Trial Lawyers2015
Work experience
TitleCompany nameDuration
Sole PractitionerLaw Offices of Jonathan S. Willett2005 - Present
PartnerWillett & Mestas, LLC Denver2000 - 2005
PartnerAdkins, Smart, Willett & Mestas2000 - 2000
Sole PractictionerLaw Offices of Jonathan S. Willett1993 - 2000
AttorneyChalat and Co., P.C.1992 - 1993
AttorneyColorado State Public Defender's Office1989 - 1992
AttorneyColorado State Public Defender's Office (Appellate Division)1986 - 1989
Association namePosition nameDuration
CJA Panel Attorney for the United States Court of Appeals for the Tenth CircuitPanel Attorney2007 - Present
CJA Panel Attorney for the United States District Court of ColoradoCJA Panel Attorney1995 - Present
American Bar AssociationN/AN/A
Colorado Criminal Defense Bar AssociationN/AN/A
Legal cases
Case nameOutcome
Fabiano v. Armstrong, 141 P.3d 907N/A
published appellate casesN/A
See all legal cases 
Publication nameTitleDate
Colorado Criminal Defense BarSimilar Transactions in Child Sexual Assault Cases1989
Den. U.L. Rev.Evolving Standards of Duty of Fair Representation Under Section 3011985
School nameMajorDegreeGraduated
University of Denver Sturm College of LawLawJD - Juris Doctor1986
University of ColoradoPhilosophyBA - Bachelor of Arts1982
Speaking engagements
Conference nameTitleDate
The Criminal Trial from Start to FinishCriminal Trial2008
Post-conviction remedies seminarPost-conviction remedies2002
Legal WritingLegal Writing2001
Juvenile Justice in ColoradoJuvenile Justice1998
Juvenile DelinquencyJuvenile Delinquency1991
Child Sex AssaultChild Sex Assault1989