Attorney · Serving Chicago, IL · 57+ Years Experience
Profile Summary
About C. David Sullivan at a Glance
C. David Sullivan is an Of Counsel based in Chicago, Illinois, practicing at Tressler LLP. They have 57+ years of legal experience, licensed to practice since 1969. Admitted to practice in Massachusetts (1969) and Illinois (1976). Educated at Suffolk University J.D. (—) and St. Bonaventure University B.B.A. (—). Serves clients in Chicago, IL and the surrounding metropolitan area.
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About C. David Sullivan
- C. David Sullivan is a lawyer
- C. David received a B.B.A. degree from St. Bonaventure University, and has been licensed for 57 years
- C. David practices at Tressler LLP in Chicago, IL
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 C. David Sullivan
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 C. David Sullivan's practice.
Decade-Tested Legal Experience
C. David Sullivan brings 57+ 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 Massachusetts and Illinois, C. David Sullivan can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Local Presence in Chicago
A Chicago-based practice means C. David Sullivan attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
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Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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