Atty. Jonathan Paul Decatorsmith

Atty. Jonathan Paul Decatorsmith

Jonathan Paul Decatorsmith is a lawyer practicing civil litigation, indian law, taxation and 2 other areas of law. Jonathan received a B.A. degree from University of Illinois in 1983, and has been licensed for 40 years.

Chicago Chicago 40 yrs experience 40 year
Call (331) 253-6128 Book Appointment

Civil Litigation & More Attorney · Serving Chicago, IL · 40+ Years Experience

Profile Summary

About Jonathan Paul Decatorsmith at a Glance

Jonathan Paul Decatorsmith is a Member based in Chicago, Illinois, practicing at Jonathan P. Decatorsmith. They have 40+ years of legal experience, licensed to practice since 1986. Their practice focuses on business, ip, tax, and litigation. Admitted to practice in Illinois (1986) and Minnesota (1999). Educated at University of Colorado (J.D., 1986) and University of Illinois (B.A., 1983). Active member of Minnesota State and Chicago (Chairman, Tax Proclaims Subcommittee, 1993) National Lawyers Guild. Serves clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Jonathan Paul Decatorsmith

  • Jonathan Paul Decatorsmith is a lawyer practicing civil litigation, indian law, taxation and 2 other areas of law
  • Jonathan received a B.A. degree from University of Illinois in 1983, and has been licensed for 40 years
  • Jonathan practices at Jonathan P. Decatorsmith in Chicago, IL

Practice Areas Explained

Jonathan Paul Decatorsmith's Areas of Legal Practice

Each practice area below reflects the types of cases Jonathan Paul Decatorsmith 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.

Jonathan Paul Decatorsmith 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.

Jonathan Paul Decatorsmith is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Illinois →

Tax Law in Chicago

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Jonathan Paul Decatorsmith is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Illinois →

Civil Litigation in Chicago

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

Jonathan Paul Decatorsmith is one of 450,751 litigation attorneys indexed nationally. Browse litigation 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 Jonathan Paul Decatorsmith

Where is Jonathan Paul Decatorsmith's law office located?
Jonathan Paul Decatorsmith's law practice is located in Chicago, Illinois. The firm is Jonathan P. Decatorsmith. You can contact the office directly through this profile page.
What practice areas does Jonathan Paul Decatorsmith handle?
Jonathan Paul Decatorsmith focuses on business, ip, tax, litigation. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Jonathan Paul Decatorsmith practiced law?
Jonathan Paul Decatorsmith has 40+ years of legal experience and has been licensed since 1986.
Where did Jonathan Paul Decatorsmith go to law school?
Jonathan Paul Decatorsmith earned their education at (J.D., 1986); (B.A., 1983).
How can I contact Jonathan Paul Decatorsmith for a consultation?
You can contact Jonathan Paul Decatorsmith 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 Jonathan Paul Decatorsmith

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 Jonathan Paul Decatorsmith's practice in the field of business, ip, tax, and litigation.

Decade-Tested Legal Experience

Jonathan Paul Decatorsmith brings 40+ 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 Minnesota, Jonathan Paul Decatorsmith can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering business, ip, and tax, Jonathan Paul Decatorsmith 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 Jonathan Paul Decatorsmith 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 Jonathan Paul Decatorsmith Handles in Chicago

Below is a representative sample of the types of matters Jonathan Paul Decatorsmith 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
Trademark registration
IP
Copyright infringement defense
IP
Patent prosecution
IP
Trade secret protection
IP
IRS audit representation
Tax
Tax lien and levy defense
Tax
Offer in compromise
Tax
Business tax planning
Tax

This list is illustrative, not exhaustive. Contact Jonathan Paul Decatorsmith directly to discuss the specifics of your situation.

Search Reference

How People Find Jonathan Paul Decatorsmith 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 Jonathan Paul Decatorsmith.

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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 Jonathan Paul Decatorsmith directly.

Jonathan Paul Decatorsmith's Practice Areas & Specializations

Education & Law School Background

J.D.
University of Colorado
- 1986
B.A.
University of Illinois
- 1983

Bar Admissions & Licensed Jurisdictions

Illinois
Admitted: 1986
Minnesota
Admitted: 1999

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