Atty. David W. Maher
David W. Maher is a lawyer practicing intellectual property, entertainment, financial markets and services.
Financial Markets And Services & More Attorney · Serving Chicago, IL · 66+ Years Experience
Profile Summary
About David W. Maher at a Glance
David W. Maher is a Partner based in Chicago, Illinois, practicing at Dentons US LLP. They have 66+ years of legal experience, licensed to practice since 1960. Their practice focuses on ip. Admitted to practice in New York (1960), Illinois (1961), and Wisconsin registered to practice before U.S. Patent and Trademark Office (1996). Educated at Harvard University (LL.B., 1959) and Harvard University (A.B., 1955). Recognitions include AV Preeminent. Serves clients in Chicago, IL and the surrounding metropolitan area.
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About David W. Maher
- David W. Maher is a lawyer practicing intellectual property, entertainment, financial markets and services
- David received a A.B. degree from Harvard University in 1955, and has been licensed for 66 years
- David practices at Dentons US LLP in Chicago, IL
Practice Areas Explained
David W. Maher's Areas of Legal Practice
Each practice area below reflects the types of cases David W. Maher handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.
Intellectual Property in Chicago
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
David W. Maher is one of 105,285 ip attorneys indexed nationally. Browse ip 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 David W. Maher
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 David W. Maher's practice in the field of ip.
Decade-Tested Legal Experience
David W. Maher brings 66+ 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 New York, Illinois, and Wisconsin registered to practice before U.S. Patent and Trademark Office, David W. Maher can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Focused IP Practice
Concentrating on ip means David W. Maher's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.
Local Presence in Chicago
A Chicago-based practice means David W. Maher 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 David W. Maher Handles in Chicago
Below is a representative sample of the types of matters David W. Maher 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 David W. Maher directly to discuss the specifics of your situation.
Search Reference
How People Find David W. Maher Online
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David W. Maher's Practice Areas & Specializations
Education & Law School Background
Awards & Professional Honors
Bar Admissions & Licensed Jurisdictions
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