Atty. Mark Thomas Deming
Mark Thomas Deming is a lawyer practicing hatch-waxman litigation, intellectual property & technology litigation, patent litigation and 2 other areas of law. Mark received a B.S. degree from University of Illinois in 2006, and has been licensed for 16 years.
Hatch-Waxman Litigation & More Attorney · Serving Chicago, IL · 16+ Years Experience
Profile Summary
About Mark Thomas Deming at a Glance
Mark Thomas Deming is an Attorney based in Chicago, Illinois, practicing at Polsinelli PC. They have 16+ years of legal experience, licensed to practice since 2010. Their practice focuses on patent, ip, trade secrets, and litigation. Admitted to practice in Illinois (2010), US District Court for the Eastern District of Texas (2011), US Patent & Trademark Office (2012), and US District Court for the Northern District of Illinois (2012). Educated at University of Illinois (J.D. Magna, 2009) and University of Illinois (B.S. Magna, 2006). Serves clients in Chicago, IL and the surrounding metropolitan area.
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About Mark Thomas Deming
- Mark Thomas Deming is a lawyer practicing hatch-waxman litigation, intellectual property & technology litigation, patent litigation and 2 other areas of law
- Mark received a B.S. degree from University of Illinois in 2006, and has been licensed for 16 years
- Mark practices at Polsinelli PC in Chicago, IL
Practice Areas Explained
Mark Thomas Deming's Areas of Legal Practice
Each practice area below reflects the types of cases Mark Thomas Deming handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.
Patent Law in Chicago
Mark Thomas Deming is one of 20,632 patent attorneys indexed nationally. Browse patent 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 Thomas Deming is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Illinois →
Trade Secrets in Chicago
Mark Thomas Deming 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 Thomas Deming is one of 450,750 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 Thomas Deming
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 Thomas Deming's practice in the field of patent, ip, trade secrets, and litigation.
Decade-Tested Legal Experience
Mark Thomas Deming brings 16+ 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, US District Court for the Eastern District of Texas, and US Patent & Trademark Office, Mark Thomas Deming can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering patent, ip, and trade secrets, Mark Thomas Deming 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 Thomas Deming 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 Thomas Deming Handles in Chicago
Below is a representative sample of the types of matters Mark Thomas Deming 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 Thomas Deming directly to discuss the specifics of your situation.
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How People Find Mark Thomas Deming Online
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Mark Thomas Deming's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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