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Sean P. Connolly
About Sean
Biography
I am an attorney focusing on overweight truck defense. Since beginning my legal career in 2002 I have worked as a criminal prosecutor, a commercial litigator, a deputy general counsel, and now a private practicioner with my own firm.
In addition to my civilian career, I am also retired Colonel in the United States Army Reserve where I served as a Judge Advocate. I began my military service in R.O.T.C. at John Carroll University. I was commissioned a Second Lieutenant upon graduation from college in 1996 and served on active duty. In 1999, I left active duty to attend law school and joined the Illinois Army National Guard. In 2000, I joined the Army Reserve.
In 2003, I was recalled to active duty and mobilized to the Middle East in support of Operation Enduring Freedom and Operation Iraqi Freedom.
I reside in the suburbs of Chicago and when I am not working I enjoy spending time with family and friends, working out, running, biking, tennis, and fishing.
Practice Areas
2
Practice Areas
Criminal Defense
75%
17 years
Litigation
25%
20 years
Fees and Rates
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Chat withLicenses
Licensed in Illinois for 23 years
State: Illinois
Acquired: 2002
No misconduct found
Location
Connolly Law Office, P.C.
801 N. Cass Avenue, Suite 200, Westmont, IL, 60559
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Sean P. Connolly's Reviews
Avvo Review Score
9 Client Reviews
Filter Avvo Reviews (9)
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Practice Areas
Showing 1 - 1 of 1 review | Lawsuits & Disputes
Posted by Marty Mohr | June 16, 2026 | Hired Attorney
Exceptional Representation and Deep Legal Expertise
My firm retained Sean Connolly to represent us regarding alleged violations related to commercial motor vehicle requirements and his representation was flawless. Sean’s mastery of the intricate details of motor vehicle laws is highly impressive, allowing him to spot nuances that others might miss. He...
Sean P. Connolly's Lawyer Endorsements
"I endorse this lawyer. Sean is a respected attorney in the community. He is focused on getting results for his clients and gets results."
Lawrence Necheles
Speeding and traffic ticket lawyer | Jun 17
Relationship: Worked together on matter
"Outstanding ethics and integrity. Well respected among his peers in traffic rooms for trucking enforcement and CDL defense."
"Sean is a hardworking, knowledgeable, and dedicated attorney. He treats his clients with respect and gives each client personalized treatment."
"I endorse this lawyer for his integrity and legal ability"
"Mr. Connolly is a knowledgeable and diligent attorney, providing quality representation to his clients. I endorse this lawyer."
"Sean Connolly's training and experience give him great advantage in the courtroom. Whether he is arguing a case at trial, or negotiating a favorable settlement, Sean is someone I would want on my side to aggressively represent my interests."
Lawrence Necheles
Speeding and traffic ticket lawyer
James Kassir
Criminal defense lawyer
Mark Connolly
Personal injury lawyer
William Opal
Family lawyer
Daniel Galivan
Criminal defense lawyer
Experience
Honors
2026
Client's Choice, Avvo
2026
The Meritorious Service Medal, Major General Scott L. Linton
2023
The Meritorious Service Medal, Brigadier General Gerald R. Krimball
2021
The Meritorious Service Medal, Brigadier General William B. Dyer III
2020
Superior Graduate, U. S. Army War College
2019
The Meritorious Service Medal, Brigadier General Bowman T. Bowles
2012
The Meritorious Service Medal, Brigadier General Charles D. Martin
2011
Featured Contributor, ExpertHub
2011
Featured Author, Target Law
2005
The Army Achievement Medal, COL John R. Matthews
2004
Special Commendation, Prosecutor Bar Association
2004
The Army Achievement Medal, COL John R. Matthews
2003
The Bronze Star Medal, Secretary of the Army
2002
The Army Commendation Medal, MG Anthony R. Kropp
1999
The Army Achievement Medal, LTC Walter M. Golden, Jr.
1999
The Army Commendation Medal, COL James A. Kelley
N/A
Distinguished Service Award, Cook County State's Attorney's Office
Work Experience
2009 - Present
President, Connolly Law Office, P.C.
2022 - 2024
Inspector General, City of Joliet
2008 - 2009
Deputy General Counsel, Illinois Department of Central Management Services
2007 - 2008
Associate, Epstein Becker & Green, P.C.
2002 - 2007
Assistant State's Attorney, Cook County State's Attorney's Office
2000 - 2026
Retired as a Colonel, United States Army Reserve
1999 - 2000
Lieutenant, Illinois Army National Guard
1996 - 1999
Lieutenant, United States Army
Associations
2026 - Present
Illinois Trucking AssociationMember
2025 - Present
Knights of ColumbusMember
2019 - Present
Army War College FoundationLifetime Member
2018 - Present
USCCAMember
2009 - Present
Illinois State Bar AssociationMember
2009 - Present
Illinois Truck Enforcement AssociationPast President
1998 - Present
Association of the United States ArmyMember
Verterns of Foreign Wars
Life Member
Sample of Legal Cases
People v. LaForce
Conviction Reversed
Education
2020
U.S. Army War College
Master of Strategic Studies
2014
Command and General Staff College
Completion of Intermediate Level Army Officer Education
2009
U.S. Army Lean Six Sigma Course
Completion of Lean Six Sigma Black Belt Course
2006
U.S. Army Judge Advocate General General (JAG) Advance Course
Completion of JAG Advance Course
2002
Northern Illinois University College of Law
JD - Juris Doctor
2002
U. S. Army Judge Advocate General (JAG) Basic Course
Completion of JAG Basic Course
1997
U.S. Army Chemical Officer Basic Course
Completion of Chemical Officer Basic Course
1996
John Carroll University
BA - Bachelor of Arts
Speaking Engagements
2018
Chicagoland Crane Association Event
Overweight Truck Defense
Publications
2026
Connolly Law Office, P.C. Blog
Know Your Rights: Is Your IDOT Permit Being Wrongfully Voided?
2011
LawFirms.com
Tow Trucks and the Illinois Overweight Laws
2011
LawFirms.com
IDOT Reverses Its Opinion on Crane Counterweights
2011
TargetLaw.com
Illinois Overweight Trucks and “Reason to Believe”
2003
Chicago Daily Law Bulletin
Kuwaiti Journal: Scud Alerts, Sleepless Vigil
2003
Chicago Daily Law Bulletin
Troops prepare to put their engineering skills to use in Iraq
2003
Chicago Daily Law Bulletin
Iraqi Journal: Chicago lawyer interviews prisoner of war
2003
Chicago Daily Law Bulletin
Americans, Iraqis alike experience hardship
Languages
English
Activity
Legal Answers
Legal Guides
Legal Answers
Q&A
Questions about illinois parking laws versus Village parking ordinances
16 Jun 2026
Q&A
My husband died 23 years ago. the deed does not say joint tenets, but our mortgage says joint tenent
17 Jun 2026
Q&A
I am from Illinois. I hired a contractor to do basement, kitchen, varnishing the living and 2 bedroo
17 Jun 2026