Atty. William Thomas Cahill
William Thomas Cahill is a lawyer practicing litigation, patent application, product liability and 11 other areas of law. William received a B.A. degree from Loras College in 1969, and has been licensed for 53 years.
Profile Summary
About William Thomas Cahill at a glance
William Thomas Cahill is a Partner based in Chicago, Illinois, practicing at Perkins Coie LLP. They have 53+ years of legal experience, licensed to practice since 1973. Their practice focuses on patent, trademark, copyright, business, and ip. Admitted to practice in Illinois U.S. Supreme Court U.S. Court of Appeals, Sixth, Seventh, Eighth and Federal Circuits U.S. (1973). Educated at University of Illinois College of Law (J.D., 1973) and Loras College (B.A., 1969). Recognitions include AV Preeminent. Serands clients in Chicago, IL and the surrounding metropolitan area.
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About
- William Thomas Cahill is a lawyer practicing litigation, patent application, product liability and 11 other areas of law
- William received a B.A. degree from Loras College in 1969, and has been licensed for 53 years
- William practices at Perkins Coie LLP in Chicago, IL
Practice Areas Explained
William Thomas Cahill's Areas of Practice
Each practice area below reflects the types of cases William Thomas Cahill handles, with a brief overview of what that area of law covers.
William Thomas Cahill is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Illinois →
William Thomas Cahill is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Illinois →
William Thomas Cahill is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in Illinois →
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
William Thomas Cahill is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Illinois →
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
William Thomas Cahill is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Illinois →
Jurisdictional Context
Why local counsel matters in Illinois
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 andnue, 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.
Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.
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