Atty. Mathias Michael Mattern

Atty. Mathias Michael Mattern

Mathias Michael Mattern is a lawyer. Mathias has been licensed for 64 years.

Naperville Naperville 64 J. Erfahrung 64 year
Call (331) 273-3335 Book Appointment

Profile Summary

About Mathias Michael Mattern at a glance

Mathias Michael Mattern is a Member based in Naperville, Illinois, practicing at Mathias M. Mattern, PC. They have 64+ years of legal experience, licensed to practice since 1962. Admitted to practice in Illinois (1962). Serands clients in Naperville, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • Mathias Michael Mattern is a lawyer
  • Mathias has been licensed for 64 years
  • Mathias practices at Mathias M. Mattern, PC in Naperville, IL

Jurisdictional Context

Why local counsel matters in Illinois

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 Naperville 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 andnue, 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.

Looking for additional Illinois attorneys? Browse all attorneys in Naperville or all attorneys in Illinois.

Frequently Asked

Common questions about Mathias Michael Mattern

Where is Mathias Michael Mattern's law office located?
Mathias Michael Mattern's law practice is located in Naperville, Illinois. The firm is Mathias M. Mattern, PC. You can contact the office directly through this profile page.
How long has Mathias Michael Mattern practiced law?
Mathias Michael Mattern has 64+ years of legal experience and has been licensed since 1962.
How can I contact Mathias Michael Mattern for a consultation?
You can contact Mathias Michael Mattern directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Bar Admissions

Illinois
Admitted: 1962

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