Atty. Gregory P. Casimer
Gregory P. Casimer is a lawyer practicing intellectual property, litigation, patent infringement and 2 other areas of law.
Intellectual Property & More Attorney · Serving Chicago, IL · 27+ Years Experience
Profile Summary
About Gregory P. Casimer at a Glance
Gregory P. Casimer is a Partner based in Chicago, Illinois, practicing at Lathrop Gage LLP. They have 27+ years of legal experience, licensed to practice since 1999. Their practice focuses on patent, trademark, ip, and litigation. Admitted to practice in Illinois (1999). Educated at DePaul University (J.D., 1998) and Purdue University (B.S.C.E., 1985). Serves clients in Chicago, IL and the surrounding metropolitan area.
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About Gregory P. Casimer
- Gregory P. Casimer is a lawyer practicing intellectual property, litigation, patent infringement and 2 other areas of law
- Gregory received a B.S.C.E. degree from Purdue University in 1985, and has been licensed for 27 years
- Gregory practices at Lathrop Gage LLP in Chicago, IL
Practice Areas Explained
Gregory P. Casimer's Areas of Legal Practice
Each practice area below reflects the types of cases Gregory P. Casimer 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
Gregory P. Casimer is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in Illinois →
Trademark Law in Chicago
Gregory P. Casimer is one of 23,086 trademark attorneys indexed nationally. Browse trademark 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.
Gregory P. Casimer is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Illinois →
Civil Litigation in Chicago
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Gregory P. Casimer 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 Gregory P. Casimer
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 Gregory P. Casimer's practice in the field of patent, trademark, ip, and litigation.
Decade-Tested Legal Experience
Gregory P. Casimer brings 27+ 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 patent, trademark, and ip, Gregory P. Casimer 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 Gregory P. Casimer 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 Gregory P. Casimer Handles in Chicago
Below is a representative sample of the types of matters Gregory P. Casimer 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 Gregory P. Casimer directly to discuss the specifics of your situation.
Search Reference
How People Find Gregory P. Casimer Online
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Gregory P. Casimer's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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