From early-stage startups / post-IPO enterprises, BLT Patent & Law Firm has been a trusted intellectual property partner across every growth stage

Since our founding in 2013 with a mission to grow alongside startups and SMEs, we’ve supported over 2,500 innovation-driven clients, becoming a recognized leader in Korea’s dynamic startup ecosystem.

We provide full-spectrum IP support from strategy and valuation to IPO readiness, helping high-growth companies turn innovation into market leadership.

From founding to funding, from IPO to expansion, BLT is with you every step of the way.

Future-Proof Expertise MedTech to AI

As technology evolves, so do we staying ahead to deliver future ready IP services.

Beginning with our designation as the exclusive IP partner of Asan Medical Center in 2014, we now advise over 20 of Korea’s top hospitals including all of the nation’s “BIG 5” with advanced expertise in biotech, diagnostics, and medical devices.

We build the IP strategy behind our clients’ innovation — from MedTech to AI and digital health.

Empowering K-Brands for Global Scale

BLT is a trusted IP advisor to Korea’s top fashion and beauty brands.

Korea’s fashion and beauty brands build fast and copy faster. We protect over 200 MUSINSA-listed labels and 300+ beauty companies — from first filing to overseas enforcement.

We help K-Brands thrive globally with creative, industry-specific IP strategies that protect brand identity and fuel expansion.

Vision

An IP firm that evolves as fast as our clients’ technology

Mission

To turn our clients’ ideas into commercial advantage

Core Values

Client-Centered Thinking

Our clients define our purpose.

All services are designed to deliver real impact. We grow as our clients grow.

Embracing Change

Innovation begins with the will to change.

We challenge assumptions, adapt quickly, and keep growing together.

Commitment to Fundamentals

True value is grounded in expertise.

We keep sharpening the fundamentals — drafting, prosecution, and the law behind them.

Responsibility for Trust

Trust is our foundation.

We take ownership and deliver consistently because trust must be earned.

History

2026

• “Excellence in IP Services” by

the Ministry of SMEs and Startups

2025

• Appointed Official IP Agent for

Korea University Medicine IACF (AI/Medical Devices)

2024

• Appointed Official IP Agent for Konkuk, Inha, and Konyang Universities

• Named “Top IP Diagnosis Institution” by Korean Intellectual Property Office

2023

• Chosen as IP Counsel by Korea Health Industry Development Institute, Ulsan National Institute of Science and Technology, Korea Institute of Energy Research

• Won “Excellence in IP Services” by the Ministry of SMEs and Startups

2022

• Recognized by Korea Trade-Investment Promotion Agency as a Top IP Support Partner for Export Programs

2021

• Selected as Exclusive IP Agent for Seoul National University Hospital (Medical Devices & Big Data)

2020

• Transitioned from a law office to a patent corporation (BLT Patent & Law Firm)

• Appointed by Asan Medical Center and Ulsan University College of Medicine

• Officially designated IP Valuation Institution by Korean Intellectual Property Office

2017-2019

• Appointed as IP Agent for multiple universities (Dankook, Catholic Univ., Chonnam National Univ.) and signed MOU with Gachon Advanced Institute

• Approved as Patent Voucher Program Provider by Korean Intellectual Property Office

• Named IP Agent by Korea Health Industry Development Institute and Gwangju Institute of Science and Technology

2013

• Launched Patent & Law Firm

Company. BLT Patent & Law Firm

Business Reg No. 752-86-01744

CEO. Cheolhyun Yoo 

Head office.

1F, 25, Beobwon-ro 3-gil, Seocho-gu, Seoul, 06595 Republic of Korea

T. +82-2-514-0104

F. +82-70-4855-0102

E. info@blt.kr

Branch office.

26F, 165, Convensia-daero (POSCO Tower Building), Yeonsu-gu, Incheon (Stage9 Songdo POSCO Tower)

T. +82-32-710-5104

F. +82-70-4855-0102

E. info@blt.kr

ⓒ 2026. BLT Patent & Law Firm All Rights Reserved.