Atty. Mark Bruce Blocker

Atty. Mark Bruce Blocker

Mark Bruce Blocker is a lawyer practicing erisa litigation, financial services/consumer class actions, alternative dispute resolution and 13 other areas of law. Mark received a B.A. degree from University of Chicago in 1985, and has been licensed for 38 years.

Chicago Chicago 38 yrs experience 38 year
Call (224) 561-4021 Book Appointment

Alternative Dispute Resolution & More Attorney · Serving Chicago, IL · 38+ Years Experience

Profile Summary

About Mark Bruce Blocker at a Glance

Mark Bruce Blocker is a Partner based in Chicago, Illinois, practicing at Sidley Austin LLP. They have 38+ years of legal experience, licensed to practice since 1988. Their practice focuses on contracts, employment, business, breach of contract, and class action. Admitted to practice in Illinois (1988), U.S. District Court, Northern District of Illinois (1989), U.S. District Court, Northern District of Illinois, including Trial Bar (1996), and U.S. Court of Appeals, Tenth Circuit (1997). Educated at Harvard University Law School (J.D., 1988) and University of Chicago (B.A., 1985). Serves clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark Bruce Blocker

  • Mark Bruce Blocker is a lawyer practicing erisa litigation, financial services/consumer class actions, alternative dispute resolution and 13 other areas of law
  • Mark received a B.A. degree from University of Chicago in 1985, and has been licensed for 38 years
  • Mark practices at Sidley Austin LLP in Chicago, IL

Practice Areas Explained

Mark Bruce Blocker's Areas of Legal Practice

Each practice area below reflects the types of cases Mark Bruce Blocker handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.

Contracts in Chicago

Mark Bruce Blocker is one of 76,101 contracts attorneys indexed nationally. Browse contracts attorneys in Illinois →

Employment Law in Chicago

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

Mark Bruce Blocker is one of 167,770 employment attorneys indexed nationally. Browse employment attorneys in Illinois →

Business & Corporate Law in Chicago

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mark Bruce Blocker is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Illinois →

Breach of Contract in Chicago

Mark Bruce Blocker is one of 5,880 breach of contract attorneys indexed nationally. Browse breach of contract attorneys in Illinois →

Class Action in Chicago

Mark Bruce Blocker is one of 26,226 class action attorneys indexed nationally. Browse class action 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 Mark Bruce Blocker

Where is Mark Bruce Blocker's law office located?
Mark Bruce Blocker'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 Mark Bruce Blocker handle?
Mark Bruce Blocker focuses on contracts, employment, business, breach of contract, class action. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Mark Bruce Blocker practiced law?
Mark Bruce Blocker has 38+ years of legal experience and has been licensed since 1988.
Where did Mark Bruce Blocker go to law school?
Mark Bruce Blocker earned their education at (J.D., 1988); (B.A., 1985).
How can I contact Mark Bruce Blocker for a consultation?
You can contact Mark Bruce Blocker 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 Mark Bruce Blocker

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 Mark Bruce Blocker's practice in the field of contracts, employment, business, breach of contract, and class action.

Decade-Tested Legal Experience

Mark Bruce Blocker brings 38+ 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, Mark Bruce Blocker can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering contracts, employment, and business, Mark Bruce Blocker 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 Mark Bruce Blocker 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 Mark Bruce Blocker Handles in Chicago

Below is a representative sample of the types of matters Mark Bruce Blocker 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.

Wrongful termination claims
Employment
Workplace discrimination
Employment
Wage and hour disputes
Employment
Non-compete agreement review
Employment
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 Mark Bruce Blocker directly to discuss the specifics of your situation.

Search Reference

How People Find Mark Bruce Blocker 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 Mark Bruce Blocker.

Mark Bruce Blocker attorney Mark Bruce Blocker lawyer Mark Bruce Blocker Chicago Mark Bruce Blocker Illinois Mark Bruce Blocker reviews Mark Bruce Blocker contact Sidley Austin LLP law firm contracts attorney in Chicago contracts lawyer Chicago best contracts attorney Chicago top rated contracts lawyer near me contracts 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 Mark Bruce Blocker directly.

Education & Law School Background

J.D.
Harvard University Law School
- 1988
B.A.
University of Chicago
- 1985

Bar Admissions & Licensed Jurisdictions

Illinois
Admitted: 1988
U.S. District Court, Northern District of Illinois
Admitted: 1989
U.S. District Court, Northern District of Illinois, including Trial Bar
Admitted: 1996
U.S. Court of Appeals, Tenth Circuit
Admitted: 1997
U.S. Court of Appeals, Seventh Circuit
Admitted: 1998
U.S. District Court, Eastern District of Wisconsin
Admitted: 1999
U.S. District Court, Central District of Illinois and U.S. Court of Appeals, Fifth Circuit
Admitted: 2000
U.S. District Court, Southern District of Illinois
Admitted: 2003
U.S. Court of Appeals, Eighth Circuit
Admitted: 2008

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