Atty. William Yu

Atty. William Yu

William Yu is a lawyer practicing korean business & litigation group, class action & mass tort, consumer litigation defense & financial services and 12 other areas of law. William received a B.A. degree from Oberlin College in 1990, and has been licensed for 30 years.

Chicago Chicago 30 yrs experience 30 year
Call (312) 796-6938 Book Appointment

Class Action & Mass Tort & More Attorney · Serving Chicago, IL · 30+ Years Experience

Profile Summary

About William Yu at a Glance

William Yu is an Attorney based in Chicago, Illinois, practicing at Ulmer & Berne LLP. They have 30+ years of legal experience, licensed to practice since 1996. Their practice focuses on business, class action, product liability, litigation, and consumer. Admitted to practice in Illinois (1996) and U.S. District Court, Northern District of Illinois U.S. District Court for the Southern District of (1996). Educated at The John Marshall Law School J.D. 1996 Member The John Marshall Law School J.D. National Dean's List The John Marshall Law School J.D. Herzog Moot Court Competition The John Marshall Law Scho (J.D., 1996) and Oberlin College (B.A., 1990). Serves clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About William Yu

  • William Yu is a lawyer practicing korean business & litigation group, class action & mass tort, consumer litigation defense & financial services and 12 other areas of law
  • William received a B.A. degree from Oberlin College in 1990, and has been licensed for 30 years
  • William practices at Ulmer & Berne LLP in Chicago, IL

Practice Areas Explained

William Yu's Areas of Legal Practice

Each practice area below reflects the types of cases William Yu 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.

William Yu is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Illinois →

Class Action in Chicago

William Yu is one of 26,226 class action attorneys indexed nationally. Browse class action attorneys in Illinois →

Product Liability in Chicago

William Yu is one of 65,610 product liability attorneys indexed nationally. Browse product liability attorneys in Illinois →

Civil Litigation in Chicago

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

William Yu is one of 450,751 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.

William Yu 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.

Frequently Asked

Common Questions About William Yu

Where is William Yu's law office located?
William Yu's law practice is located in Chicago, Illinois. The firm is Ulmer & Berne LLP. You can contact the office directly through this profile page.
What practice areas does William Yu handle?
William Yu focuses on business, class action, product liability, litigation, consumer. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has William Yu practiced law?
William Yu has 30+ years of legal experience and has been licensed since 1996.
Where did William Yu go to law school?
William Yu earned their education at (J.D., 1996); (B.A., 1990).
How can I contact William Yu for a consultation?
You can contact William Yu 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 William Yu

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 William Yu's practice in the field of business, class action, product liability, litigation, and consumer.

Decade-Tested Legal Experience

William Yu brings 30+ 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 and U.S. District Court, Northern District of Illinois U.S. District Court for the Southern District of , William Yu can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering business, class action, and product liability, William Yu 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 William Yu 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 William Yu Handles in Chicago

Below is a representative sample of the types of matters William Yu 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

This list is illustrative, not exhaustive. Contact William Yu directly to discuss the specifics of your situation.

Search Reference

How People Find William Yu 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 William Yu.

William Yu attorney William Yu lawyer William Yu Chicago William Yu Illinois William Yu reviews William Yu contact Ulmer & Berne LLP law firm business attorney in Chicago business lawyer Chicago best business attorney Chicago top rated business lawyer near me business attorney Illinois find a lawyer near me how to hire an attorney

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 William Yu directly.

Education & Law School Background

J.D.
The John Marshall Law School J.D. 1996 Member The John Marshall Law School J.D. National Dean's List The John Marshall Law School J.D. Herzog Moot Court Competition The John Marshall Law Scho
- 1996
B.A.
Oberlin College
- 1990

Bar Admissions & Licensed Jurisdictions

Illinois
Admitted: 1996
U.S. District Court, Northern District of Illinois U.S. District Court for the Southern District of
Admitted: 1996

Client Reviews & Ratings — William Yu

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