Atty. Mark Jonathan Hartzer
Mr. Mark Jonathan Hartzer is a lawyer practicing personal injury law, insurance coverage, bad faith law and 2 other areas of law.
Bad Faith Law & More Attorney · Serving Westmont, IL · 39+ Years Experience
Profile Summary
About Mark Jonathan Hartzer at a Glance
Mark Jonathan Hartzer is a Nationwide Mutual Insurance Company based in Westmont, Illinois. They have 39+ years of legal experience, licensed to practice since 1987. Their practice focuses on personal injury, environmental, and insurance. Admitted to practice in Texas (1987) and Illinois (2005). Educated at Oklahoma City University (J.D., 1984) and Western Illinois University (B.A., 1980). Serves clients in Westmont, IL and the surrounding metropolitan area.
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About Mark Jonathan Hartzer
- Mr. Mark Jonathan Hartzer is a lawyer practicing personal injury law, insurance coverage, bad faith law and 2 other areas of law
- Mark received a B.A. degree from Western Illinois University in 1980, and has been licensed for 39 years
- Mark practices in Westmont, IL
Practice Areas Explained
Mark Jonathan Hartzer's Areas of Legal Practice
Each practice area below reflects the types of cases Mark Jonathan Hartzer handles, with a practical overview of what that area of law involves and how it may apply to your situation in Westmont.
Personal Injury in Westmont
Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.
Mark Jonathan Hartzer is one of 262,557 personal injury attorneys indexed nationally. Browse personal injury attorneys in Illinois →
Environmental Law in Westmont
Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.
Mark Jonathan Hartzer is one of 55,977 environmental attorneys indexed nationally. Browse environmental attorneys in Illinois →
Insurance Law in Westmont
Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.
Mark Jonathan Hartzer is one of 120,903 insurance attorneys indexed nationally. Browse insurance attorneys in Illinois →
Jurisdictional Context
Why Local Counsel Matters in Westmont
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 Westmont 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.
Westmont Courts and Legal Process
Choosing a Westmont-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 Westmont or all attorneys in Illinois.
Frequently Asked
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Professional Profile
Why Clients in Westmont Choose Mark Jonathan Hartzer
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 Mark Jonathan Hartzer's practice in the field of personal injury, environmental, and insurance.
Decade-Tested Legal Experience
Mark Jonathan Hartzer brings 39+ 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 Texas and Illinois, Mark Jonathan Hartzer can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering personal injury, environmental, and insurance, Mark Jonathan Hartzer can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Westmont
A Westmont-based practice means Mark Jonathan Hartzer 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 Mark Jonathan Hartzer Handles in Westmont
Below is a representative sample of the types of matters Mark Jonathan Hartzer 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 Mark Jonathan Hartzer directly to discuss the specifics of your situation.
Search Reference
How People Find Mark Jonathan Hartzer Online
Prospective clients searching for legal help in Westmont 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 Mark Jonathan Hartzer.
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Mark Jonathan Hartzer's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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