Atty. John Walter Treece
John Walter Treece is a lawyer practicing patent application, antitrust/competition, healthcare and 15 other areas of law. John received a B.A. degree from Harvard University in 1975, and has been licensed for 48 years.
Antitrust & Competition & More Attorney · Serving Chicago, IL · 48+ Years Experience
Profile Summary
About John Walter Treece at a Glance
John Walter Treece is a Partner based in Chicago, Illinois, practicing at Sidley Austin LLP. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on patent, contracts, business, ip, and breach of contract. Admitted to practice in Illinois (1978), U.S. District Court, Northern District of Illinois (1978), U.S. District Court, Northern District of Illinois, including Trial Bar (1985), and U.S. Court of Appeals, Seventh Circuit (1996). Educated at Columbia University School of Law (J.D., 1978) and Harvard University (B.A., 1975). Recognitions include AV Preeminent. Serves clients in Chicago, IL and the surrounding metropolitan area.
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About John Walter Treece
- John Walter Treece is a lawyer practicing patent application, antitrust/competition, healthcare and 15 other areas of law
- John received a B.A. degree from Harvard University in 1975, and has been licensed for 48 years
- John practices at Sidley Austin LLP in Chicago, IL
Practice Areas Explained
John Walter Treece's Areas of Legal Practice
Each practice area below reflects the types of cases John Walter Treece handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.
Patent Law in Chicago
John Walter Treece is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in Illinois →
Contracts in Chicago
John Walter Treece is one of 76,101 contracts attorneys indexed nationally. Browse contracts 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.
John Walter Treece 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.
John Walter Treece is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Illinois →
Breach of Contract in Chicago
John Walter Treece is one of 5,880 breach of contract attorneys indexed nationally. Browse breach of contract 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 John Walter Treece
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 John Walter Treece's practice in the field of patent, contracts, business, ip, and breach of contract.
Decade-Tested Legal Experience
John Walter Treece 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, U.S. District Court, Northern District of Illinois, and U.S. District Court, Northern District of Illinois, including Trial Bar, John Walter Treece can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering patent, contracts, and business, John Walter Treece 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 John Walter Treece 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 John Walter Treece Handles in Chicago
Below is a representative sample of the types of matters John Walter Treece 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 John Walter Treece directly to discuss the specifics of your situation.
Search Reference
How People Find John Walter Treece Online
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John Walter Treece's Practice Areas & Specializations
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