Atty. Sharyn M. Castle

Atty. Sharyn M. Castle

Sharyn M. Castle is a lawyer practicing copyright litigation, copyrights, intellectual property and 7 other areas of law.

Chicago Chicago 21 yrs experience 21 year
Call (312) 442-0265 Book Appointment

Profile Summary

About Sharyn M. Castle at a glance

Sharyn M. Castle is an Attorney based in Chicago, Illinois, practicing at Katten Muchin Rosenman LLP. They have 21+ years of legal experience, licensed to practice since 2005. Their practice focuses on patent, trademark, copyright, ip, and trade secrets. Admitted to practice in Illinois U.S. District Court, Northern District of Illinois U.S. Court of Appeals, Federal Circuit (2005). Educated at Chicago-Kent College of Law (J.D., 2005) and Lake Forest College (B.A., 2002). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sharyn M. Castle is a lawyer practicing copyright litigation, copyrights, intellectual property and 7 other areas of law
  • Sharyn received a B.A. degree from Lake Forest College in 2002, and has been licensed for 21 years
  • Sharyn practices at Katten Muchin Rosenman LLP in Chicago, IL

Practice Areas Explained

Sharyn M. Castle's Areas of Practice

Each practice area below reflects the types of cases Sharyn M. Castle handles, with a brief overview of what that area of law covers.

Patent Law

Sharyn M. Castle is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Illinois →

Trademark Law

Sharyn M. Castle is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Illinois →

Copyright Law

Sharyn M. Castle is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in Illinois →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Sharyn M. Castle is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Illinois →

Trade Secrets

Sharyn M. Castle is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets 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.

Frequently Asked

Common questions about Sharyn M. Castle

Where is Sharyn M. Castle's law office located?
Sharyn M. Castle's law practice is located in Chicago, Illinois. The firm is Katten Muchin Rosenman LLP. You can contact the office directly through this profile page.
What practice areas does Sharyn M. Castle handle?
Sharyn M. Castle focuses on patent, trademark, copyright, ip, trade secrets. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Sharyn M. Castle practiced law?
Sharyn M. Castle has 21+ years of legal experience and has been licensed since 2005.
Where did Sharyn M. Castle go to law school?
Sharyn M. Castle earned their education at (J.D., 2005); (B.A., 2002).
How can I contact Sharyn M. Castle for a consultation?
You can contact Sharyn M. Castle directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
Chicago-Kent College of Law
- 2005
B.A.
Lake Forest College
- 2002

Bar Admissions

Illinois U.S. District Court, Northern District of Illinois U.S. Court of Appeals, Federal Circuit
Admitted: 2005

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