BLT Service • Trademark Registration

Trademark Filing & Registration

Ready to Launch Your Brand?

Looking to protect what sets you apart?

A trademark is not just a name or a logo

— it’s your business identity.

It distinguishes your brand in a competitive marketplace

and secures long-term value.

BLT Service

Trademark Registration

Trademark Filing & Registration

Ready to Launch Your Brand?

Looking to protect what sets you apart?

A trademark is not just

a name or a logo

— it’s your business identity.

It distinguishes your brand in a competitive marketplace and secures long-term value.

Why Leading Innovators Choose BLT

8,000+ Trademarks Secured Across 30+ Countries
We craft tailored strategies that reflect your unique brand identity, market position, and global ambitions.
95% Registration Success Rate
Our process goes beyond filings — we conduct in-depth conflict checks and format strategies for success.
*Based on BLT internal trademark registration data.
Global Filing Made Seamless
From the U.S. and EU to China and Japan, our team handles complex, multi-jurisdictional filings with consistency and legal accuracy.

Why Leading Innovators

Choose BLT

8,000+ Trademarks
Secured Across
30+ Countries
We craft tailored strategies that
reflect your unique brand identity,
market position,
and global ambitions.
95% Registration
Success Rate
Our process goes beyond filings
— we conduct in-depth conflict
 checks and format strategies
for success.

*Based on BLT internal trademark

registration data.

Global Filing Made
Seamless
From the U.S. and EU to China and
Japan, our team handles complex,
multi-jurisdictional filings with
consistency and legal accuracy.

Trademark Registration: Step-by-Step with BLT

01Pre-Filing Legal Assessment
We assess your mark’s registrability, check for conflicts, and advise on best jurisdictions and formats.
02Strategic Filing Execution
We prepare and file your application with optimized classification, presentation, and procedural structure.
03Response to Office Action
If objections arise, we provide tailored legal arguments and procedural guidance to protect your rights.

Trademark Registration: 

Step-by-Step with BLT

01Pre-Filing Legal
Assessment
We assess your mark’s registrability,
check for conflicts, and advise on
best jurisdictions and formats.
02Strategic Filing
Execution
We prepare and file your application with optimized classification, presentation, and procedural structure.
03Response to
Office Action
If objections arise, we provide tailored legal arguments and procedural guidance to protect your rights.

Certified Export Expert by a Specialized Institution

Outstanding/Powerful Implementing Agency in the Field of Overseas Intellectual Property Rights

Patent law firm BLT was selected as the Power Implementing Agency in 2019 and the only Excellent Implementing Agency

in the field of intellectual property rights from 2019 to 2023.

Selected as “Excellent Implementing Agency” for 3 consecutive years in overseas intellectual property rights
Designated as a “Power Implementing Agency”
in overseas IP rights
Appointed as “China IP Protection Specialist Agency”
by the Intellectual Property Protection Program
Number of Overseas Trademark Applications 
(Including Madrid Applications)

Certified Export Expert by

a Specialized Institution

Outstanding/Powerful

Implementing Agency in the

Field of Overseas Intellectual Property Rights

Patent law firm BLT was selected as the Power Implementing Agency in 2019 and the only Excellent Implementing Agency

in the field of intellectual property rights from 2019 to 2023.

Selected as
“Excellent Implementing
Agency” for
3 consecutive years
in overseas intellectual
property rights
Designated as a
“Power Implementing Agency”
in overseas IP rights
Appointed as
“China IP Protection
Specialist Agency” by the
Intellectual Property
Protection Program
Number of Overseas
Trademark Applications
(Including Madrid Applications)

Expert-Led Trademark Dispute Resolution

Our team of trademark attorneys and in-house litigators

— each with 10+ years of experience —

provides full-cycle support:

Domestic Defense
& Enforcement
Oppositions, cancellations,
invalidations
Combating Bad-Faith
Filings in China
Strategic invalidation and
opposition success
against squatting
Cross-Border Dispute
Management
Legal guidance across the U.S.,
China, Japan, EU, and more
— with trusted local counsel

Case Highlights:

Proven Trademark Success

Monster Energy (U.S.)
Successfully defended
5 invalidation trials in Korea,
Resolved disputes
in 14 countries
Supreme Court Case Nos.
2017Hu785 et al.
MAROB (Apparel Brand) 
Invalidated Chinese trademark
broker’s unauthorized
egistration
Case No. 商评字 [2023] 第0000240102号
GAINSBOROUGH
(Fashion Brand)
Won opposition in China against squatter filing
Case No. 商评字[2023]第0000365479号
A-ddal (F&B Franchise) 
Defended trademark against
non-use cancellation claim
 in Korea
Case No. 2016Heo9691
(Cancellation of Registration – Appeal)
and three related cases
ArtShare (Lifestyle Goods) 
Successfully responded to opposition cases and preserved trademark rights
Reg. Nos. 40-2110316, 40-20110317

Expert-Led Trademark Dispute Resolution

Our team of trademark attorneys and in-house litigators — each with 10+ years of experience —

provides full-cycle support:

Domestic Defense
& Enforcement
Oppositions, cancellations, invalidations



Combating Bad-Faith Filings
in China
Strategic invalidation and opposition
success against squatting


Cross-Border Dispute 
Management
Legal guidance across the U.S., China,
Japan, EU, and more
— with trusted local counsel

Case Highlights: Proven Trademark Success

Monster Energy (U.S.)
Successfully defended 5 invalidation trials in Korea, Resolved disputes in 14 countries
Supreme Court Case Nos. 2017Hu785 et al.
MAROB (Apparel Brand)
Invalidated Chinese trademark broker’s unauthorized registration
Case No. 商评字 [2023] 第0000240102号
GAINSBOROUGH (Fashion Brand)
Won opposition in China against squatter filing
Case No. 商评字[2023]第0000365479号
A-ddal (F&B Franchise)
Defended trademark against non-use cancellation claim in Korea
Case No. 2016Heo9691 (Cancellation of Registration – Appeal) and three related cases
ArtShare (Lifestyle Goods)
Successfully responded to opposition cases and preserved trademark rights
Reg. Nos. 40-2110316, 40-20110317

Beyond Registration:

Long-Term 

Trademark Support

Infringement Monitoring & Strategic Response
We scan markets for misuse and
offer timely legal remedies and
brand protection plans.
Watch Services for
Similar Filings
We track potentially conflicting
applications and advise on
preemptive action.
Global Clearance &
Filing Roadmaps
We conduct rapid,
reliable trademark searches and
design filing strategies for
your target markets.

Partner with BLT — Experts in Global Brand Protection

From early-stage entrepreneurs to multinational leaders, we help brands secure, enforce, and scale their trademark rights worldwide.

Protect your brand identity — from day one, and for the long run.

Beyond Registration: Long-Term Trademark Support

Infringement Monitoring & Strategic Response
We scan markets for misuse and offer timely legal remedies and brand protection plans.
Watch Services for Similar Filings
We track potentially conflicting applications and advise on preemptive action.
Global Clearance & Filing Roadmaps
We conduct rapid, reliable trademark searches and design filing strategies for your target markets.

Partner with BLT — Experts in Global Brand Protection

From early-stage entrepreneurs to multinational leaders, we help brands secure, enforce, and scale their trademark rights worldwide.

Protect your brand identity — from day one, and for the long run.

BLT Service

Full-Spectrum IP Services — Tailored to Your Goals

From invention review to international patent enforcement, BLT covers the full lifecycle of IP strategy and execution.

BLT Service

Full-Spectrum IP Services — Tailored to Your Goals

From invention review to international patent enforcement, BLT covers the full lifecycle of IP strategy and execution.

Contact Us

Connect with a dedicated consultant for personalized guidance.

Talk to an

IP Specialist


+82-2-514-0104

info@BLT.kr

Notice on Collection and Use of Personal Information

If you do not agree to the collection and use of personal information, your consultation may be limited.

1. Purpose of Collection: Consultation

2. Items to be Collected: (Required) Name, Affiliation, Phone Number, Email

3. Retention and Use Period: Until the completion of consultation

Insight

We Study What Drives Your Success.

Should you require further details, kindly submit a consultation request below.

Contact Us

Connect with a

dedicated consultant for personalized guidance.

Talk to an

IP Specialist


+82-2-514-0104

info@BLT.kr



Notice on Collection and Use of Personal Information

If you do not agree to the collection and use of personal information, your consultation may be limited.

1. Purpose of Collection: Consultation

2. Items to be Collected: (Required) Name, Affiliation, Phone Number, Email

3. Retention and Use Period: Until the completion of consultation

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


ⓒ 2023. BLT Patent & Law Firm All Rights Reserved.

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


ⓒ 2025. BLT Patent & Law Firm All Rights Reserved.