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.
ERISA Litigation & More Attorney · Serving Chicago, IL · 32+ Years Experience
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). Serves clients in Chicago, IL and the surrounding metropolitan area.
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About 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
- Eric practices at Sidley Austin LLP in Chicago, IL
Practice Areas Explained
Eric Stephen Mattson's Areas of Legal Practice
Each practice area below reflects the types of cases Eric Stephen Mattson handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.
Employment Law in Chicago
Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.
Eric Stephen Mattson is one of 167,770 employment attorneys indexed nationally. Browse employment attorneys in Illinois →
Class Action in Chicago
Eric Stephen Mattson is one of 26,226 class action attorneys indexed nationally. Browse class action attorneys in Illinois →
Securities Law in Chicago
Eric Stephen Mattson is one of 64,075 securities attorneys indexed nationally. Browse securities attorneys in Illinois →
Civil Litigation in Chicago
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Eric Stephen Mattson is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in Illinois →
Consumer Protection in Chicago
Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.
Eric Stephen Mattson is one of 50,226 consumer attorneys indexed nationally. Browse consumer 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.
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Professional Profile
Why Clients in Chicago Choose Eric Stephen Mattson
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 Eric Stephen Mattson's practice in the field of employment, class action, securities, litigation, and consumer.
Decade-Tested Legal Experience
Eric Stephen Mattson brings 32+ 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, U.S. District Court, Northern District of Illinois, and U.S. District Court, Northern District of Illinois, including Trial Bar and U.S. Court of Appeals, S, Eric Stephen Mattson can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering employment, class action, and securities, Eric Stephen Mattson 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 Eric Stephen Mattson 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 Eric Stephen Mattson Handles in Chicago
Below is a representative sample of the types of matters Eric Stephen Mattson 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 Eric Stephen Mattson directly to discuss the specifics of your situation.
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How People Find Eric Stephen Mattson Online
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Eric Stephen Mattson's Practice Areas & Specializations
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