Atty. Eric Stephen Mattson

Atty. Eric Stephen Mattson

Eric Stephen Mattson is a lawyer practicing erisa litigation, financial services/consumer class actions, privacy, data security and information law and 7 other areas of law. Eric received a A.B. degree from University of Michigan in 1987, and has been licensed for 32 years.

Chicago Chicago 32 yrs experience 32 year
Call (857) 347-3867 Book Appointment

Profile Summary

About Eric Stephen Mattson at a glance

Eric Stephen Mattson is a Partner based in Chicago, Illinois, practicing at Sidley Austin LLP. They have 32+ years of legal experience, licensed to practice since 1994. Their practice focuses on employment, class action, securities, litigation, and consumer. Admitted to practice in Illinois (1994), U.S. District Court, Northern District of Illinois (1994), U.S. District Court, Northern District of Illinois, including Trial Bar and U.S. Court of Appeals, S (1999), and U.S. Court of Appeals, Eleventh Circuit and U.S. District Court, Central District of Illinois (2002). Educated at Northwestern University School of Law (J.D., 1994) and University of Michigan (A.B., 1987). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Eric Stephen Mattson is a lawyer practicing erisa litigation, financial services/consumer class actions, privacy, data security and information law and 7 other areas of law
  • Eric received a A.B. degree from University of Michigan in 1987, and has been licensed for 32 years
  • Eric practices at Sidley Austin LLP in Chicago, IL

Practice Areas Explained

Eric Stephen Mattson's Areas of Practice

Each practice area below reflects the types of cases Eric Stephen Mattson handles, with a brief overview of what that area of law covers.

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

Eric Stephen Mattson is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in Illinois →

Class Action

Eric Stephen Mattson is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Illinois →

Securities Law

Eric Stephen Mattson is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in Illinois →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Eric Stephen Mattson is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Illinois →

Consumer Protection

Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.

Eric Stephen Mattson is one of 50,607 consumer attorneys indexed nationally. Browse consumer attorneys in Illinois →

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 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 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 Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Eric Stephen Mattson

Where is Eric Stephen Mattson's law office located?
Eric Stephen Mattson's law practice is located in Chicago, Illinois. The firm is Sidley Austin LLP. You can contact the office directly through this profile page.
What practice areas does Eric Stephen Mattson handle?
Eric Stephen Mattson focuses on employment, class action, securities, litigation, consumer. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Eric Stephen Mattson practiced law?
Eric Stephen Mattson has 32+ years of legal experience and has been licensed since 1994.
Where did Eric Stephen Mattson go to law school?
Eric Stephen Mattson earned their education at (J.D., 1994); (A.B., 1987).
How can I contact Eric Stephen Mattson for a consultation?
You can contact Eric Stephen Mattson 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.

Education

J.D.
Northwestern University School of Law
- 1994
A.B.
University of Michigan
- 1987

Bar Admissions

Illinois
Admitted: 1994
U.S. District Court, Northern District of Illinois
Admitted: 1994
U.S. District Court, Northern District of Illinois, including Trial Bar and U.S. Court of Appeals, S
Admitted: 1999
U.S. Court of Appeals, Eleventh Circuit and U.S. District Court, Central District of Illinois
Admitted: 2002
U.S. District Court, Southern District of Illinois
Admitted: 2005
U.S. Court of Appeals, Eighth Circuit
Admitted: 2008
U.S. District Court, Western District of Michigan
Admitted: 2009
U.S. Court of Appeals, Sixth and Ninth Circuits Hawaii
Admitted: 2010

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