Atty. Ethan Eunbum Rii

Atty. Ethan Eunbum Rii

Ethan Eunbum Rii is a lawyer practicing corporate, health care, health care compliance and 7 other areas of law. Ethan received a B.A. degree from University of Michigan in 1997, and has been licensed for 24 years.

Chicago Chicago 24 yrs experience 24 year
Call (224) 561-4433 Book Appointment

Corporate & More Attorney · Serving Chicago, IL · 24+ Years Experience

Profile Summary

About Ethan Eunbum Rii at a Glance

Ethan Eunbum Rii is a Partner based in Chicago, Illinois, practicing at Katten Muchin Rosenman LLP. They have 24+ years of legal experience, licensed to practice since 2002. Their practice focuses on business, tax, m&a, and health care. Admitted to practice in Michigan (2002), Ohio (2005), and Illinois (2008). Educated at University of Minnesota Law School (J.D., 2002) and University of Michigan (B.A., 1997). Provides legal services in Korean. Serves clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Ethan Eunbum Rii

  • Ethan Eunbum Rii is a lawyer practicing corporate, health care, health care compliance and 7 other areas of law
  • Ethan received a B.A. degree from University of Michigan in 1997, and has been licensed for 24 years
  • Ethan practices at Katten Muchin Rosenman LLP in Chicago, IL

Practice Areas Explained

Ethan Eunbum Rii's Areas of Legal Practice

Each practice area below reflects the types of cases Ethan Eunbum Rii 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.

Ethan Eunbum Rii is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Illinois →

Tax Law in Chicago

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Ethan Eunbum Rii is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Illinois →

Mergers & Acquisitions in Chicago

Ethan Eunbum Rii is one of 49,430 m&a attorneys indexed nationally. Browse m&a attorneys in Illinois →

Health Care Law in Chicago

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Ethan Eunbum Rii is one of 66,157 health care attorneys indexed nationally. Browse health care 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

Common Questions About Ethan Eunbum Rii

Where is Ethan Eunbum Rii's law office located?
Ethan Eunbum Rii's law practice is located in Chicago, Illinois. The firm is Katten Muchin Rosenman LLP. You can contact the office directly through this profile page.
What practice areas does Ethan Eunbum Rii handle?
Ethan Eunbum Rii focuses on business, tax, m&a, health care. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Ethan Eunbum Rii practiced law?
Ethan Eunbum Rii has 24+ years of legal experience and has been licensed since 2002.
What languages does Ethan Eunbum Rii speak?
Ethan Eunbum Rii provides legal services in Korean. Bilingual representation can be especially important when contracts, testimony, or court filings require accurate translation.
Where did Ethan Eunbum Rii go to law school?
Ethan Eunbum Rii earned their education at (J.D., 2002); (B.A., 1997).
How can I contact Ethan Eunbum Rii for a consultation?
You can contact Ethan Eunbum Rii 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.

Professional Profile

Why Clients in Chicago Choose Ethan Eunbum Rii

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 Ethan Eunbum Rii's practice in the field of business, tax, m&a, and health care.

Decade-Tested Legal Experience

Ethan Eunbum Rii brings 24+ 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 Michigan, Ohio, and Illinois, Ethan Eunbum Rii can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering business, tax, and m&a, Ethan Eunbum Rii 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 Ethan Eunbum Rii 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 Ethan Eunbum Rii Handles in Chicago

Below is a representative sample of the types of matters Ethan Eunbum Rii 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.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business
IRS audit representation
Tax
Tax lien and levy defense
Tax
Offer in compromise
Tax
Business tax planning
Tax

This list is illustrative, not exhaustive. Contact Ethan Eunbum Rii directly to discuss the specifics of your situation.

Search Reference

How People Find Ethan Eunbum Rii Online

Prospective clients searching for legal help in Chicago 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 Ethan Eunbum Rii.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Ethan Eunbum Rii directly.

Education & Law School Background

J.D.
University of Minnesota Law School
- 2002
B.A.
University of Michigan
- 1997

Languages Spoken — Legal Services Available In

Bar Admissions & Licensed Jurisdictions

Michigan
Admitted: 2002
Ohio
Admitted: 2005
Illinois
Admitted: 2008

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