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John A Conniff
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About John
Biography
John opened The Law Offices of John A. Conniff in 2015 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 currenlty the President of the Michigan State University College of Law Alumni Association Chicago Chapter.
Extensive Experience, Coupled With A Passion! Handling All Family Matters. Call For A Free Consultation
Experienced Family Law Attorney - Call (312) 313-7858 for your free consultation.
Practice Areas
4
Practice Areas
Divorce and Separation
75%
Child Custody
10%
Family
10%
Child Support
5%
Fees and Rates
Cost
Payment Methods
- Cash
- Check
- Credit Card
Awards
2025 2024 2023
...
+
8
Licenses
Licensed in Illinois for 14 years
State: Illinois
Acquired: 2011
No misconduct found
Location
Law Offices of John A. Conniff
(312) 284-4550
Fax
77 W. Wacker Drive, Suite 4500, Chicago, IL, 60601
jacfamilylaw.comLaw Offices of John A. Conniff
Oak Brook Pointe, 700 Commerce Drive, Suite 500, Oak Brook, IL, 60523
jacfamilylaw.comOnline Presence
Other places you can find John online.
John A Conniff's Reviews
Showing 1 - 5 of 149 client reviews from Avvo
Posted by anonymous | January 26, 2021 | Hired Attorney
This review is from a person who hired this attorney.
The Best!
John is an amazing attorney with an outstanding team. After using several attorneys in the past for a complicated, messy situation that seemed to never end John got the job done and got it done quickly. I was hesitant to hire another lawyer after John was referred to me in fear of being over charged ...
Posted by Mark | September 27, 2020 | Hired Attorney
This review is from a person who hired this attorney.
Great experience
John was always timely, educated and responsive. He has a great understanding of the divorce laws, proceedings and the ins and outs of the divorce process. He is extremely professional and always had my best interest in mind as we went through the divorce process.
Posted by David | July 24, 2019 | Hired Attorney
This review is from a person who hired this attorney.
My attorney
John is a great advocate for his clients. He is straightforward and totally honest and, most importantly, he does was he says he will do when he says he will do it. I was very impressed with his professionalism and knowledge.
Posted by Timothy | April 28, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Ethical, fair, and equitable attorney 100% guaranteed...
John Conniff is a fantastic attorney hands down zero issues...mega referrals to his firm i will do.....anyone who asks or needs an attorney his firm will be the only one spoken from my mouth....finding a great and ethical attorney in this day and age....is like finding a living dinosaur...lolol....NO...
Posted by Laura | April 25, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Excellent Representation
John navigated a very challenging situation and could not have been more supportive, informative, and collaborative in the process. John operates in transparency and ensures his clients are knowledgeable about the process and have realistic expectations.
John A Conniff's Lawyer Endorsements
"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."
"John is truly amazing at what he does. I wouldn't hesitate to send my clients his way."
"John is well respected by the Judges and other lawyers in his community. He is very reasonable to work with and gets the job done. He tries to promote settlement when possible, to avoid the expenditure of unnecessary fees on a matter. He is also very skilled if the case needs to be taken to litigation. I highly endorse him."
"Great attorney, very knowledgeable and responsive to his clients. I endorse this lawyer!"
"I have had the opportunity to know John for more than 10 years. Not only is John extremely knowledgeable, but he is someone who will fight tirelessly for his clients. I strongly endorse this lawyer."
"John Conniff is a great family law attorney in Chicago. He is extremely compassionate and always has his client's best interests in mind."
"Mr. Conniff is a very knowledgeable and experienced attorney. I endorse this lawyer."
"I highly endorse Mr. Conniff. Truly exceptional and caring attorney who gets great results in representing clients. Keep up the great work!"
"I have had several cases with John and I endorse him as an attorney. He is a knowledgeable, skilled and reasonable opposing counsel that I would highly recommend."
"Mr. Conniff is a worthy opponent."
"I have worked with John on a number of family law issues over the years. Each time I am impressed by his professionalism, knowledge, and ability to advocate for his clients both in and out of the courtroom. I would strongly recommend John to anyone looking for a family law attorney."
"John and I were opposing counsel in a divorce that dealt with some highly sensitive issues. Our clients approached the divorce in a civil manner. However the divorce dealt with some highly delicate issues that, with a lesser lawyer, could have turned into a fought out divorce. Together, we managed to negotiate the issues and provide our clients with the civilized divorce they deserved. I credit John for keeping matters calm and steering the case away from litigation and moving it toward settlement."
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Experience
Honors
2025
Super Lawyer, Super Lawyer
2024
Rising Star, Super Lawyers
2023
Rising Star, Super Lawyers
2022
Rising Star, Super Lawyers
2021
Rising Star, Super Lawyers
2020
Rising Star, Super Lawyers
2019
Rising Star, Super Lawyers
2018
Rising Star, Super Lawyers
2018
Top 40 Under 40, The National Advocates
2017
Peer Review Rated, Martindale-Hubbell
2017
Client's Choice, Avvo
2017
Top 40 Under 40, The National Advocates
2017
Rising Star, Super Lawyers
2016
Rising Star, Super Lawyers
2016
Client's Choice, Avvo
2016
Top 40 Under 40, The National Advocates
2015
Clients' Choice, Avvo
Work Experience
2015 - Present
Principal, Law Offices of John A. Conniff
2014 - 2015
Associate Attorney, Law Offices of Jonathan Merel, P.C.
2011 - 2014
Associate Attorney, Conniff Law Offices
Associations
2024 - Present
Chicago LGBTQ+ Bar AssociationMember
2014 - Present
Michigan State University College Of Law Alumni AssociationPresident-Elect
2011 - Present
Chicago Bar AssociationMember
2011 - Present
Illinois State Bar AssociationMember
2011 - Present
American Bar AssociationMember
2015 - 2018
Family Defense Center Young Professionals BoardBoard Member
Education
2011
Michigan State University College of Law
JD - Juris Doctor
2008
DePaul University
Bachelor of Arts
Languages
English