LAWYER PROFILE

Hayoun Chun

Global 2026

Lee & Ko

Ranked in 1 practice area

Intellectual Property

South Korea

1 year ranked

About

Provided by Lee & Ko

Practice Areas

IP Litigation, IP Strategy Consulting, Trade Secret · Company Information Protection, IP Prosecution, International IP Litigation, IP Transactions & Licensing, Healthcare · Life Sciences

Career

Hayoun Chun is a Partner in Lee & Ko's Intellectual Property Practice Group and Health Care Practice Group. Prior to joining Lee & Ko in 2014, he worked as a Patent Attorney at patent specialty firms, FirstLaw P.C. and Koreana Patent Firm from 2004. In Lee & Ko, he has counseled and represented various global tech companies and pharmaceutical companies in relation to their IP issues, regulation and compliance issues, and litigations.

Professional Memberships

Korean Bar, New York State Bar, Korean Patent Bar

Education

Seoul National University

B.A. in Electrical Engineering

1999 - 2004

Korea University, School of Law

J.D.

2011 - 2014

Columbia Law School

LL.M

2021 - 2021

Awards

Litigation Star

Benchmark Litigation Asia-Pacific

2025

Litigation Star

Benchmark Litigation Asia-Pacific

2024

The World's Leading Patent Professionals

IAM Patent 1000

2025

The World's Leading Patent Professionals

IAM Patent 1000

2023

Chambers Review

Provided by Chambers

Chambers Global Guide

Intellectual Property - South Korea

Up and Coming

Individual Editorial

Chun Hayoun is well-versed in patent infringement disputes and has a strong client base in the electronics industry and broader technology sector.

Learn more about this team View ranking table

Strengths

Provided by Chambers

He will give you recommendations and really cut you to the punchline, which I really appreciate.
Intellectual PropertyChambers Global Guide
Hayoun is an electrical engineer, patent attorney, Korean attorney and New York-barred attorney. He develops key strategic advice and has in-depth expertise in complicated technical cases.
Intellectual PropertyChambers Global Guide