Atty. Aaron Ross Feigelson

Atty. Aaron Ross Feigelson

Aaron Ross Feigelson is a lawyer practicing litigation, patents, trade secrets and unfair competition and 2 other areas of law. Aaron received a degree from Northwestern University in 1995, and has been licensed for 24 years.

Chicago Chicago 24 yrs experience 24 year
Call (872) 270-8615 Book Appointment

Profile Summary

About Aaron Ross Feigelson at a glance

Aaron Ross Feigelson is a Member based in Chicago, Illinois, practicing at Leydig, Voit & Mayer, Ltd.. They have 24+ years of legal experience, licensed to practice since 2002. Their practice focuses on patent, business, trade secrets, and litigation. Admitted to practice in Massachusetts (2002) and Illinois U.S. District Court, District of Massachusetts U.S. District Court, Northern District of Il (2003). Educated at University of Chicago (J.D., 2002) and Northwestern University (M.S Northwestern, 1995). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Aaron Ross Feigelson is a lawyer practicing litigation, patents, trade secrets and unfair competition and 2 other areas of law
  • Aaron received a degree from Northwestern University in 1995, and has been licensed for 24 years
  • Aaron practices at Leydig, Voit & Mayer, Ltd. in Chicago, IL

Practice Areas Explained

Aaron Ross Feigelson's Areas of Practice

Each practice area below reflects the types of cases Aaron Ross Feigelson handles, with a brief overview of what that area of law covers.

Patent Law

Aaron Ross Feigelson is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Illinois →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Aaron Ross Feigelson is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Illinois →

Trade Secrets

Aaron Ross Feigelson is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in Illinois →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Aaron Ross Feigelson is one of 454,532 litigation attorneys indexed nationally. Browse litigation 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 Aaron Ross Feigelson

Where is Aaron Ross Feigelson's law office located?
Aaron Ross Feigelson's law practice is located in Chicago, Illinois. The firm is Leydig, Voit & Mayer, Ltd.. You can contact the office directly through this profile page.
What practice areas does Aaron Ross Feigelson handle?
Aaron Ross Feigelson focuses on patent, business, trade secrets, litigation. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Aaron Ross Feigelson practiced law?
Aaron Ross Feigelson has 24+ years of legal experience and has been licensed since 2002.
Where did Aaron Ross Feigelson go to law school?
Aaron Ross Feigelson earned their education at (J.D., 2002); (M.S Northwestern, 1995).
How can I contact Aaron Ross Feigelson for a consultation?
You can contact Aaron Ross Feigelson 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.
University of Chicago
- 2002
M.S Northwestern
Northwestern University
- 1995

Bar Admissions

Massachusetts
Admitted: 2002
Illinois U.S. District Court, District of Massachusetts U.S. District Court, Northern District of Il
Admitted: 2003

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.