Atty. Mark Jay Liss
Mark Jay Liss is a lawyer practicing litigation, trademarks and copyrights, trade secrets and unfair competition and 1 other area of law. Mark received a B.A. degree from University of Illinois in 1978, and has been licensed for 45 years.
Litigation & More Attorney · Serving Chicago, IL · 45+ Years Experience
Profile Summary
About Mark Jay Liss at a Glance
Mark Jay Liss is a Member based in Chicago, Illinois, practicing at Leydig, Voit & Mayer, Ltd.. They have 45+ years of legal experience, licensed to practice since 1981. Their practice focuses on trademark, copyright, ip, trade secrets, and litigation. Admitted to practice in Illinois U.S. Court of Appeals, Federal, Ninth and Seventh Circuits U.S. District Court, Northern Di (1981). Educated at Chicago-Kent College of Law, Illinois Institute of Technology (J.D., 1981) and University of Illinois (B.A., 1978). Recognitions include AV Preeminent. Serves clients in Chicago, IL and the surrounding metropolitan area.
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About Mark Jay Liss
- Mark Jay Liss is a lawyer practicing litigation, trademarks and copyrights, trade secrets and unfair competition and 1 other area of law
- Mark received a B.A. degree from University of Illinois in 1978, and has been licensed for 45 years
- Mark practices at Leydig, Voit & Mayer, Ltd. in Chicago, IL
Practice Areas Explained
Mark Jay Liss's Areas of Legal Practice
Each practice area below reflects the types of cases Mark Jay Liss handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.
Trademark Law in Chicago
Mark Jay Liss is one of 23,086 trademark attorneys indexed nationally. Browse trademark attorneys in Illinois →
Copyright Law in Chicago
Mark Jay Liss is one of 17,404 copyright attorneys indexed nationally. Browse copyright 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.
Mark Jay Liss is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Illinois →
Trade Secrets in Chicago
Mark Jay Liss is one of 6,604 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in Illinois →
Civil Litigation in Chicago
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Mark Jay Liss 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.
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Professional Profile
Why Clients in Chicago Choose Mark Jay Liss
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 Mark Jay Liss's practice in the field of trademark, copyright, ip, trade secrets, and litigation.
Decade-Tested Legal Experience
Mark Jay Liss brings 45+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering trademark, copyright, and ip, Mark Jay Liss 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 Mark Jay Liss 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 Mark Jay Liss Handles in Chicago
Below is a representative sample of the types of matters Mark Jay Liss 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 Mark Jay Liss directly to discuss the specifics of your situation.
Search Reference
How People Find Mark Jay Liss Online
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Mark Jay Liss's Practice Areas & Specializations
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