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John A Conniff

About me

John opened The Law Offices of John A. Conniff after previously practicing family law at another elite family law litigation firm in Chicago. John graduated from DePaul University with a Bachelor’s Degree in Political Science. He then went on to earn his Juris Doctor from Michigan State University College of Law.

Prior to pursuing family law, John completed a judicial clerkship for the Honorable Paul P. Biebel, Former Presiding Chief Judge of the Cook County Criminal Division.

Prior to becoming an attorney, John served as a law clerk, during which he acquired a wealth of knowledge on the many facets comprising the practice of family law.  During this time John also cultivated a deep appreciation for the value of alternative dispute resolution and mediation in divorce proceedings.

John is a member of the American Bar Association, Illinois State Bar Association, Chicago Bar Association, and is a Board Member of the Michigan State University College of Law Alumni Association.


Practice areas


  1. Family: 50%
  2. Divorce: 50%


Payment types:

Cash, Check, Credit card

Attorney endorsements

10 total 

Are you an attorney? Endorse this lawyer

  • Jonathan Brian Merel

    I had the opportunity to work against John and with John on several cases. He is knowledgable of the law and an excellent advocate for his clients. I would recommend him to anyone seeking a family law attorney.


    Jonathan Merel Family Attorney
    Relationship: Worked together on matter

  • Stephanie M. Kemen

    John is truly amazing at what he does. I wouldn't hesitate to send my clients his way.


    Stephanie Kemen Criminal defense Attorney
    Relationship: Fellow lawyer in community

Contact info

Law Offices of John A. Conniff

321 N. Clark Street
Suite 500
Chicago, IL, 60654


ILActive And Authorized To Practice Law201105/11/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Rising StarSuper Lawyers2016
Top 40 Under 40The National Advocates2016
Clients' Choice AwardAvvo2015
Work experience
TitleCompany nameDuration
PrincipalLaw Offices of John A. Conniff2015 - Present
Associate AttorneyLaw Offices of Jonathan Merel, P.C.2014 - 2015
Associate AttorneyConniff Law Offices2011 - 2014
Association namePosition nameDuration
Michigan State University College Of Law Alumni AssociationBoard Member2014 - Present
Chicago Bar AssociationMember2011 - Present
Illinois State Bar AssociationMember2011 - Present
American Bar AssociationMember2011 - Present
Family Defense Center Young Professionals BoardBoard Member2015 - 2016
School nameMajorDegreeGraduated
Michigan State University College of LawLawJD - Juris Doctor2011
DePaul UniversityPolitical ScienceBA - Bachelor of Arts2008