Atty. John Grossbart
John Grossbart is a lawyer practicing commercial litigation, mass tort, insurance and 1 other area of law. John received a B.G.S. degree from University of Michigan in 1976, and has been licensed for 46 years.
Commercial Litigation & More Attorney · Serving Chicago, IL · 46+ Years Experience
Profile Summary
About John Grossbart at a Glance
John Grossbart is a Partner based in Chicago, Illinois, practicing at Dentons US LLP. They have 46+ years of legal experience, licensed to practice since 1980. Their practice focuses on business, class action, product liability, litigation, and insurance. Admitted to practice in Illinois (1980) and U. S. Court of Appeals, Seventh Circuit (1980). Educated at University of Michigan (J.D., 1979) and University of Michigan (B.G.S., 1976). Recognitions include AV Preeminent. Active member of American Bar Association. Serves clients in Chicago, IL and the surrounding metropolitan area.
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About John Grossbart
- John Grossbart is a lawyer practicing commercial litigation, mass tort, insurance and 1 other area of law
- John received a B.G.S. degree from University of Michigan in 1976, and has been licensed for 46 years
- John practices at Dentons US LLP in Chicago, IL
Practice Areas Explained
John Grossbart's Areas of Legal Practice
Each practice area below reflects the types of cases John Grossbart handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.
Business & Corporate Law in Chicago
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
John Grossbart is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Illinois →
Class Action in Chicago
John Grossbart is one of 26,226 class action attorneys indexed nationally. Browse class action attorneys in Illinois →
Product Liability in Chicago
John Grossbart is one of 65,610 product liability attorneys indexed nationally. Browse product liability attorneys in Illinois →
Civil Litigation in Chicago
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
John Grossbart is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in Illinois →
Insurance Law in Chicago
Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.
John Grossbart is one of 120,903 insurance attorneys indexed nationally. Browse insurance attorneys in Illinois →
Jurisdictional Context
Why Local Counsel Matters in Chicago
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 Chicago 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.
Chicago Courts and Legal Process
Choosing a Chicago-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 Chicago or all attorneys in Illinois.
Frequently Asked
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Professional Profile
Why Clients in Chicago Choose John Grossbart
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 Grossbart's practice in the field of business, class action, product liability, litigation, and insurance.
Decade-Tested Legal Experience
John Grossbart brings 46+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in Illinois and U. S. Court of Appeals, Seventh Circuit, John Grossbart can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering business, class action, and product liability, John Grossbart can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Chicago
A Chicago-based practice means John Grossbart 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 Grossbart Handles in Chicago
Below is a representative sample of the types of matters John Grossbart 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 Grossbart directly to discuss the specifics of your situation.
Search Reference
How People Find John Grossbart Online
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John Grossbart's Practice Areas & Specializations
Education & Law School Background
Awards & Professional Honors
Bar Admissions & Licensed Jurisdictions
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