Filing & prosecution
We develop patent, trademark and design filing strategies, prepare applications and handle prosecution in Korea, coordinating overseas filings with local counsel.
TECHNOLOGY. BUSINESS. INTELLECTUAL PROPERTY.Technical insight.
Technical insight.
Strategic IP counsel.
Built around your business.
IPLEX is a Seoul-based intellectual property law firm. We combine technical analysis with commercial judgment to advise on patent prosecution, IP disputes and portfolio management in Korea, and coordinate international matters with local counsel.
IPLEXIPLEX IP LAW FIRM
FOCUS ON ARTIFICIAL INTELLIGENCEWe define what sets your AI technology apart
We define what sets your AI technology apart
in the language of IP rights.
We identify the inventive contribution in your data, models and implementation, then develop a patent strategy grounded in how the technology works and where it creates commercial value.
AI Patents & IP Strategy01 Data · Models · Training02 Inference · RAG · Deployment03 IP-R&D · Portfolio · FTOAI patent counsel informed by technical analysis and three books on AI patent practice
OUR PRACTICEIP counsel for
IP counsel for
every stage of your business.
From initial filings through enforcement and portfolio management, we align IP strategy with your technology, commercial priorities and target markets.
Disputes & appeals
We assess the scope of protection, prior rights and evidence to develop your position in IP disputes, challenges and appeals.
Management & transactions
Manage your IP rights through renewals, recordals, licensing and assignments.
THE IPLEX APPROACHUnderstand the core of the technology.
Meet our professionals
Understand the core of the technology.
Make the rationale clear.
Meet our professionals- 01
Understand the technology in its commercial context
We identify the technical contribution and assess your commercial objectives and deadlines, using both to shape the IP strategy.
- 02
Evaluate the rights and supporting evidence
We assess the relevant rights, prior art and evidence, and explain what each available course of action means for your business.
- 03
Carry the strategy through to execution
We agree on scope and timing at the outset, keep you informed as the matter progresses and explain the decisions needed at each stage.
SELECTED EXPERIENCE
Explore servicesRepresentative matters
Explore the IP issues we have addressed, the work we undertook and the outcomes reported.
Brand protection
Challenge earlier marks. Defend your registrations.
- Matter
- Earlier registrations blocking a new application, and cancellation challenges against a client's own trademarks
- Work
- We represent clients seeking cancellation as well as trademark owners defending their registrations, developing arguments around the statutory grounds and evidence of use.
- Outcome / experience
- Reported outcomes include full and partial cancellation, as well as dismissal of cancellation claims.
These cases describe the work performed and outcomes that have been made public. Results depend on the facts of each matter and the relevant authority or platform.
EXPERIENCE IN PRACTICE
Yongduck Kim’s experienceIP knowledge put to work
Our lectures and mentoring help founders and technology businesses apply IP principles as they protect inventions and bring them to market.
IP guidance for technology founders
Read about this activity
Applying IP principles to commercialization
Read about this activityKorean patent scope proceedings after testing and disposal of a product
Case 2025Heo10277 distinguishes identification of the compared invention, acts of production and the continuing interest in a scope determination from the merits of infringement.
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Yongduck Kim examines FiX’s feature-wise gates, numerical implementation and paged cache, distinguishing reported gains from unresolved limitations.
Read articleSaudi trade marks: filing, deadlines and the Madrid route
A practical guide to Saudi trade mark prosecution, representation, public-order restrictions, Hijri renewal dates and Madrid accession on 8 October 2026.
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