Atty. John Brian McDonnell
John Brian McDonnell is a lawyer practicing divorce, intellectual property, real estate and 5 other areas of law. John received a B.S. degree from Loyola University in 1967, and has been licensed for 52 years.
Divorce & More Attorney · Serving Palos Heights, IL · 52+ Years Experience
Profile Summary
About John Brian McDonnell at a Glance
John Brian McDonnell is a Member based in Palos Heights, Illinois, practicing at J. Brian McDonnell Attorney at Law. They have 52+ years of legal experience, licensed to practice since 1974. Their practice focuses on divorce, estate planning, real estate, ip, and paternity. Admitted to practice in Illinois (1974). Educated at Chicago-Kent College of Law, Illinois Institute of Technology (J.D., 1974) and Loyola University (B.S., 1967). Serves clients in Palos Heights, IL and the surrounding metropolitan area.
Get Legal Help from John Brian McDonnell in Palos Heights
Sign up free and choose one of the two methods below.
Have a legal question? Sign up free, submit it through the Ask the Attorney module and receive a focused answer from a specialist.
- Free to ask a question
- Answers from specialist attorneys
- Optional private / anonymous question
Request an online video meeting or an in-person consultation at the attorney's office. Pick a time that works for you and share the details securely.
- Online video meeting
- In-person at the attorney's office
- Secure messaging and payment
About John Brian McDonnell
- John Brian McDonnell is a lawyer practicing divorce, intellectual property, real estate and 5 other areas of law
- John received a B.S. degree from Loyola University in 1967, and has been licensed for 52 years
- John practices at J. Brian McDonnell Attorney at Law in Palos Heights, IL
Practice Areas Explained
John Brian McDonnell's Areas of Legal Practice
Each practice area below reflects the types of cases John Brian McDonnell handles, with a practical overview of what that area of law involves and how it may apply to your situation in Palos Heights.
Divorce in Palos Heights
A divorce attorney guides you through property division, spousal support, custody, and the final decree — contested or uncontested.
John Brian McDonnell is one of 50,071 divorce attorneys indexed nationally. Browse divorce attorneys in Illinois →
Estate Planning & Probate in Palos Heights
An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.
John Brian McDonnell is one of 224,789 estate planning attorneys indexed nationally. Browse estate planning attorneys in Illinois →
Real Estate Law in Palos Heights
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
John Brian McDonnell is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in Illinois →
Intellectual Property in Palos Heights
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
John Brian McDonnell is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Illinois →
Paternity in Palos Heights
John Brian McDonnell is one of 6,790 paternity attorneys indexed nationally. Browse paternity attorneys in Illinois →
Jurisdictional Context
Why Local Counsel Matters in Palos Heights
Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Palos Heights are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.
Palos Heights Courts and Legal Process
Choosing a Palos Heights-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Illinois attorneys? Browse all attorneys in Palos Heights or all attorneys in Illinois.
Frequently Asked
Common Questions About John Brian McDonnell
Where is John Brian McDonnell's law office located?
What practice areas does John Brian McDonnell handle?
How long has John Brian McDonnell practiced law?
Where did John Brian McDonnell go to law school?
How can I contact John Brian McDonnell for a consultation?
Professional Profile
Why Clients in Palos Heights Choose John Brian McDonnell
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish John Brian McDonnell's practice in the field of divorce, estate planning, real estate, ip, and paternity.
Decade-Tested Legal Experience
John Brian McDonnell brings 52+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering divorce, estate planning, and real estate, John Brian McDonnell can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Palos Heights
A Palos Heights-based practice means John Brian McDonnell attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues John Brian McDonnell Handles in Palos Heights
Below is a representative sample of the types of matters John Brian McDonnell has experience with under Illinois law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact John Brian McDonnell directly to discuss the specifics of your situation.
Search Reference
How People Find John Brian McDonnell Online
Prospective clients searching for legal help in Palos Heights commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like John Brian McDonnell.
If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with John Brian McDonnell directly.
John Brian McDonnell's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
Client Reviews & Ratings — John Brian McDonnell
No reviews yet.