Atty. T. Mark McLaughlin
T. Mark McLaughlin is a lawyer practicing intellectual property, commercial, corporate / incorporation and 5 other areas of law.
Commercial & More Attorney · Serving Chicago, IL · 48+ Years Experience
Profile Summary
About T. Mark McLaughlin at a Glance
T. Mark McLaughlin is a Partner based in Chicago, Illinois, practicing at Mayer Brown Llp. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on formation, business, ip, litigation, and health care. Admitted to practice in Illinois (1978), US District Court for the Northern District of Illinois (1978), US Court of Appeals for the Seventh Circuit (1982), and US Court of Appeals for the Eleventh Circuit (1982). Educated at University of Notre Dame Law School (J.D., 1978) and University of Notre Dame (B.A., 1975). Recognitions include AV Preeminent. Active member of Activities Board of Directors, American Diabetes Association, Northern Illinois Affiliate, Inc. Serves clients in Chicago, IL and the surrounding metropolitan area.
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About T. Mark McLaughlin
- T. Mark McLaughlin is a lawyer practicing intellectual property, commercial, corporate / incorporation and 5 other areas of law
- T. received a B.A. degree from University of Notre Dame in 1975, and has been licensed for 48 years
- T. practices at Mayer Brown LLP in Chicago, IL
Practice Areas Explained
T. Mark McLaughlin's Areas of Legal Practice
Each practice area below reflects the types of cases T. Mark McLaughlin handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.
Business Formation in Chicago
T. Mark McLaughlin is one of 35,326 formation attorneys indexed nationally. Browse formation 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.
T. Mark McLaughlin is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Illinois →
Intellectual Property in Chicago
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
T. Mark McLaughlin is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Illinois →
Civil Litigation in Chicago
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
T. Mark McLaughlin is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in Illinois →
Health Care Law in Chicago
Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.
T. Mark McLaughlin 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
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Professional Profile
Why Clients in Chicago Choose T. Mark McLaughlin
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 T. Mark McLaughlin's practice in the field of formation, business, ip, litigation, and health care.
Decade-Tested Legal Experience
T. Mark McLaughlin brings 48+ 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, US District Court for the Northern District of Illinois, and US Court of Appeals for the Seventh Circuit, T. Mark McLaughlin can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering formation, business, and ip, T. Mark McLaughlin 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 T. Mark McLaughlin 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 T. Mark McLaughlin Handles in Chicago
Below is a representative sample of the types of matters T. Mark McLaughlin 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 T. Mark McLaughlin directly to discuss the specifics of your situation.
Search Reference
How People Find T. Mark McLaughlin Online
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T. Mark McLaughlin's Practice Areas & Specializations
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