Atty. Daniel Mark O'Brien
Daniel Mark O'Brien is a lawyer. Daniel received a B.S. degree from University of Illinois, and has been licensed for 28 years.
Attorney · Serving Wilmette, IL · 28+ Years Experience
Profile Summary
About Daniel Mark O'Brien at a Glance
Daniel Mark O'Brien is an attorney based in Wilmette, Illinois. They have 28+ years of legal experience, licensed to practice since 1998. Admitted to practice in Illinois (1998). Educated at University of Texas at Austin J.D. (—) and University of Illinois B.S. (—). Serves clients in Wilmette, IL and the surrounding metropolitan area.
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About Daniel Mark O'Brien
- Daniel Mark O'Brien is a lawyer
- Daniel received a B.S. degree from University of Illinois, and has been licensed for 28 years
- Daniel practices in Wilmette, IL
Jurisdictional Context
Why Local Counsel Matters in Wilmette
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 Wilmette 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.
Wilmette Courts and Legal Process
Choosing a Wilmette-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 Wilmette or all attorneys in Illinois.
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Professional Profile
Why Clients in Wilmette Choose Daniel Mark O'Brien
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 Daniel Mark O'Brien's practice.
Decade-Tested Legal Experience
Daniel Mark O'Brien brings 28+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Local Presence in Wilmette
A Wilmette-based practice means Daniel Mark O'Brien 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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How People Find Daniel Mark O'Brien Online
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Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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