Atty. William Patrick Pistorius
Mr. William Patrick Pistorius is a lawyer practicing insurance, ethics & professional responsibility, personal injury and 7 other areas of law.
Ethics & Professional Responsibility & More Attorney · Serving Chicago, IL · 39+ Years Experience
Profile Summary
About William Patrick Pistorius at a Glance
William Patrick Pistorius is a Partner based in Chicago, Illinois, practicing at Clausen Miller PC. They have 39+ years of legal experience, licensed to practice since 1987. Their practice focuses on medical malpractice, personal injury, business, construction, and product liability. Admitted to practice in Illinois (1987), U.S. District Court, Northern District of Illinois (1987), and U.S. Court of Appeals, Seventh Circuit Indiana (1988). Educated at DePaul University College of Law (J.D., 1987) and University of Illinois (B.A., 1984). Recognitions include AV Preeminent. Serves clients in Chicago, IL and the surrounding metropolitan area.
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About William Patrick Pistorius
- Mr. William Patrick Pistorius is a lawyer practicing insurance, ethics & professional responsibility, personal injury and 7 other areas of law
- William received a B.A. degree from University of Illinois in 1984, and has been licensed for 39 years
- William practices at Clausen Miller PC in Chicago, IL
Practice Areas Explained
William Patrick Pistorius's Areas of Legal Practice
Each practice area below reflects the types of cases William Patrick Pistorius handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.
Medical Malpractice in Chicago
Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.
William Patrick Pistorius is one of 48,593 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in Illinois →
Personal Injury in Chicago
Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.
William Patrick Pistorius is one of 262,557 personal injury attorneys indexed nationally. Browse personal injury 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.
William Patrick Pistorius is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Illinois →
Construction Law in Chicago
William Patrick Pistorius is one of 40,302 construction attorneys indexed nationally. Browse construction attorneys in Illinois →
Product Liability in Chicago
William Patrick Pistorius is one of 65,610 product liability attorneys indexed nationally. Browse product liability 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 William Patrick Pistorius
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 Patrick Pistorius's practice in the field of medical malpractice, personal injury, business, construction, and product liability.
Decade-Tested Legal Experience
William Patrick Pistorius brings 39+ 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. Court of Appeals, Seventh Circuit Indiana, William Patrick Pistorius can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering medical malpractice, personal injury, and business, William Patrick Pistorius 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 Patrick Pistorius 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 Patrick Pistorius Handles in Chicago
Below is a representative sample of the types of matters William Patrick Pistorius 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 William Patrick Pistorius directly to discuss the specifics of your situation.
Search Reference
How People Find William Patrick Pistorius Online
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William Patrick Pistorius's Practice Areas & Specializations
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