Atty. Jonathan A. Ko

Atty. Jonathan A. Ko

Jonathan A. Ko is a lawyer practicing disability, intellectual property.

Oak Brook Oak Brook 18 yrs experience 18 year
Call (312) 796-6938 Book Appointment

Profile Summary

About Jonathan A. Ko at a glance

Jonathan A. Ko is a ip and ssd attorney based in Oak Brook, Illinois. They have 18+ years of legal experience, licensed to practice since 2008. Admitted to practice in Illinois (2008), California (2009), and Washington (2015). Provides legal services in Spanish. Serands clients in Oak Brook, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Jonathan A. Ko is a lawyer practicing disability, intellectual property
  • Jonathan has been licensed for 18 years
  • Jonathan practices in Oak Brook, IL

Practice Areas Explained

Jonathan A. Ko's Areas of Practice

Each practice area below reflects the types of cases Jonathan A. Ko handles, with a brief overview of what that area of law covers.

Intellectual Property

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

Jonathan A. Ko is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Illinois →

Social Security Disability

SSDI and SSI attorneys for disability claims, denied benefits, and Social Security appeals.

Jonathan A. Ko is one of 26,532 ssd attorneys indexed nationally. Browse ssd 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 Oak Brook 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 Oak Brook or all attorneys in Illinois.

Frequently Asked

Common questions about Jonathan A. Ko

Where is Jonathan A. Ko's law office located?
Jonathan A. Ko's law practice is located in Oak Brook, Illinois. You can contact the office directly through this profile page.
What practice areas does Jonathan A. Ko handle?
Jonathan A. Ko focuses on ip, ssd. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Jonathan A. Ko practiced law?
Jonathan A. Ko has 18+ years of legal experience and has been licensed since 2008.
What languages does Jonathan A. Ko speak?
Jonathan A. Ko provides legal services in Spanish. Bilingual representation can be especially important when contracts, testimony, or court filings require accurate translation.
How can I contact Jonathan A. Ko for a consultation?
You can contact Jonathan A. Ko 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.

Languages

Bar Admissions

Illinois
Admitted: 2008
California
Admitted: 2009
Washington
Admitted: 2015

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