Atty. Mr Cheng Chieh Ko

Atty. Mr Cheng Chieh Ko

Mr Cheng Chieh Ko is a lawyer practicing intellectual property, litigation, patent infringement. Cheng received a B.S. degree from Trinity University in 1993, and has been licensed for 20 years.

San Diego San Diego 20 yrs experience 20 year
Call (858) 339-2618 Book Appointment

Profile Summary

About Mr Cheng Chieh Ko at a glance

Mr Cheng Chieh Ko is an Associate based in San Diego, California, practicing at Perkins Coie LLP. They have 20+ years of legal experience, licensed to practice since 2006. Their practice focuses on patent, ip, and litigation. Admitted to practice in California U.S. District Court, Northern District of California U.S. District Court, Central Distric (2006) and Arizona (2014). Educated at Trinity University (B.S. Engineering, 1993) and University of Michigan Law School J.D. magna cum laude (—). Serands clients in San Diego, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr Cheng Chieh Ko is a lawyer practicing intellectual property, litigation, patent infringement
  • Cheng received a B.S. degree from Trinity University in 1993, and has been licensed for 20 years
  • Cheng practices at Perkins Coie LLP in San Diego, CA

Practice Areas Explained

Mr Cheng Chieh Ko's Areas of Practice

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

Patent Law

Mr Cheng Chieh Ko is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in California →

Intellectual Property

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

Mr Cheng Chieh Ko is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in California →

Civil Litigation

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

Mr Cheng Chieh Ko is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Jurisdictional Context

Why local counsel matters in California

Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in San Diego are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California 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 California courts without local counsel or pro hac vice admission.

Looking for additional California attorneys? Browse all attorneys in San Diego or all attorneys in California.

Frequently Asked

Common questions about Mr Cheng Chieh Ko

Where is Mr Cheng Chieh Ko's law office located?
Mr Cheng Chieh Ko's law practice is located in San Diego, California. The firm is Perkins Coie LLP. You can contact the office directly through this profile page.
What practice areas does Mr Cheng Chieh Ko handle?
Mr Cheng Chieh Ko focuses on patent, ip, litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has Mr Cheng Chieh Ko practiced law?
Mr Cheng Chieh Ko has 20+ years of legal experience and has been licensed since 2006.
Where did Mr Cheng Chieh Ko go to law school?
Mr Cheng Chieh Ko earned their education at (B.S. Engineering, 1993); (—).
How can I contact Mr Cheng Chieh Ko for a consultation?
You can contact Mr Cheng Chieh 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.

Education

B.S. Engineering
Trinity University
- 1993
University of Michigan Law School J.D. magna cum laude
- In Progress

Bar Admissions

California U.S. District Court, Northern District of California U.S. District Court, Central Distric
Admitted: 2006
Arizona
Admitted: 2014

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