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About Me

Mr. Kopec grew up in Wheaton and graduated from Loyola Law School in Chicago.  Mr. Kopec currently lives with his family in Aurora.

After law school, Mr. Kopec joined the Cook County State's Attorneys Office in Chicago and for more than seven years prosecuted hundreds of criminal cases.  As an assistant state's attorney he prosecuted DUI's, narcotics, sex crimes, and other violent crimes.  Additionally, Mr. Kopec successfully argued before the Illinois Appellate Court on numerous occasions while with the State's Attorney's Office.

Mr. Kopec focuses his practice on criminal defense.  He represents clients charged with a wide array of criminal offenses including DUI's, driving on a suspended license, narcotics offenses, sex crimes, white collar crime, and other violent crimes.  Drawing on his vast experience as a criminal prosecutor, Mr. Kopec aggressively works on behalf of his clients both in and out of the courtroom.

In addition to his practice in Illinois State Courts, Mr. Kopec is admitted to practice before the Federal District Court for the Northern District of Illinois, including the Trial Bar and the Federal District Court for the Eastern District of Wisconsin.


Practice Areas


  1. Violent Crime: 25%
  2. Criminal Defense: 25%
  3. Federal Crime: 25%
  4. DUI & DWI: 25%



Free Consultation (30 minutes)

Payment Types:

Cash, Check, Credit Card

Attorney Endorsements

4 total 

  • Charles Stanley Beach II

    Jason has exhibited a skill set rarely matched in the legal community. He knows how to handle a case and get a great disposition, whether it be through a negotiation or a trial. He is one of Chicago's best young lawyers.


    Charles Beach DUI & DWI Attorney
    Relationship: Fellow lawyer in community

  • Daniel Joseph Hronek

    I highly endorse this lawyer's work. I've known Jason Kopec professionally for over 9 years, and he is one of the most intelligent and knowledgeable defense attorney's I've met. He is an amazing advocate for his clients, and he will aggresively defend his clients both in and out of court. Jason has never been afraid to take a case to trial, and he has always been a relentless defender of his clients' rights.


    Daniel Hronek Medical Malpractice Attorney
    Relationship: Co-worker

Contact Info

Kopec & Kent P.C.

118 S. Clinton St. Suite 200
Chicago, IL, 60661

Wheaton, IL

Aurora, IL



ILActive And Authorized To Practice Law200108/17/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Work Experience
TitleCompany NameDuration
Assistant States AttorneyCook County State's Attorney's Office2001 - 2009
Association NamePosition NameDuration
Chicago Bar AssociationN/AN/A
Illinois State Bar AssociationN/AN/A
School NameMajorDegreeGraduated
Loyola University Chicago School of LawN/AN/A2001