# Korean Intellectual Property Law Firm IPLEX is a Seoul-based intellectual property law firm advising on patents, trademarks, designs, disputes and portfolio management, with AI and software expertise. Source: https://www.iplexlaw.co.kr/en TECHNOLOGY. BUSINESS. INTELLECTUAL PROPERTY. 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. Contact IPLEX ↗ ↗ Explore services IPLEX IPLEX IP LAW FIRM TECHNICAL INSIGHT Technical understanding. Informed IP strategy. Patents & Utility Models ↗ Trademarks & Designs ↗ Disputes ↗ FOCUS ON ARTIFICIAL INTELLIGENCE 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 Strategy 01 Data · Models · Training 02 Inference · RAG · Deployment 03 IP-R&D · Portfolio · FTO AI patent counsel informed by technical analysis and three books on AI patent practice ↗ OUR PRACTICE 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. 01 Filing & prosecution We develop patent, trademark and design filing strategies, prepare applications and handle prosecution in Korea, coordinating overseas filings with local counsel. Patents & Utility Models ↗ Trademarks & Designs ↗ Copyright Registration ↗ 02 Disputes & appeals We assess the scope of protection, prior rights and evidence to develop your position in IP disputes, challenges and appeals. IP Disputes & Appeals ↗ 03 Management & transactions Manage your IP rights through renewals, recordals, licensing and assignments. IP Management & Licensing ↗ IP Transfers & Recordals ↗ THE IPLEX APPROACH 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 Representative matters Explore the IP issues we have addressed, the work we undertook and the outcomes reported. ↗ Explore services 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. ↗ Explore the matter 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. CLIENT STORIES Client perspectives Hear from clients about their experience working with IPLEX. ↗ Read all client stories CLIENT FEEDBACK Kynix Technology Co., Ltd. You kindly helped us protect various component technologies in addition to the technology the inventor wanted to patent. Byeonghyeon Choi, CEO CLIENT FEEDBACK Underdog Co., Ltd. When we received a patent-related warning from Amazon, our account was reinstated following your response explaining non-infringement. We had only three days, and we appreciate you working through the night to respond. Daewon Kim, Team Leader CLIENT FEEDBACK Nota Inc. Your detailed guidance for each evaluation criterion on what our company should emphasize or improve was a great help in preparing our business plan. Sookin Eo, Patent Attorney EXPERIENCE IN PRACTICE IP 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. ↗ Yongduck Kim’s experience 2025 Korea University startup program · team mentoring on commercialization and patents IP guidance for technology founders ↗ Read about this activity 2023 NH Seed cohort 2 · IP lecture for agritech and food entrepreneurs Applying IP principles to commercialization ↗ Read about this activity IPLEX News & Insights View all insights ↗ IDEAS / FROM CONCEPT TO APPLICATION Patents 2026.10.02 Korean 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. ↗ Read article DATA MODEL VALUE AI / FROM TECHNICAL DETAIL TO IP AI & Software 2026.10.01 FiX: fine-grained forgetting in softmax attention Yongduck Kim examines FiX’s feature-wise gates, numerical implementation and paged cache, distinguishing reported gains from unresolved limitations. ↗ Read article IDEAS / FROM CONCEPT TO APPLICATION Overseas Trademarks 2026.10.01 Saudi 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. ↗ Read article - https://www.iplexlaw.co.kr/en/contact - https://www.iplexlaw.co.kr/en/ip-solutions - https://www.iplexlaw.co.kr/en/ip-solutions/patent - https://www.iplexlaw.co.kr/en/ip-solutions/trademark - https://www.iplexlaw.co.kr/en/ip-solutions/disputes - https://www.iplexlaw.co.kr/en/ai-patents - https://www.iplexlaw.co.kr/en/professionals/yongdeok-kim#publications - https://www.iplexlaw.co.kr/en/ip-solutions/patent - https://www.iplexlaw.co.kr/en/ip-solutions/trademark - https://www.iplexlaw.co.kr/en/ip-solutions/copyright - https://www.iplexlaw.co.kr/en/ip-solutions/disputes - https://www.iplexlaw.co.kr/en/ip-solutions/ip-management - https://www.iplexlaw.co.kr/en/ip-solutions/ip-transfer - https://www.iplexlaw.co.kr/en/professionals - https://www.iplexlaw.co.kr/en/ip-solutions#service-directory - https://www.iplexlaw.co.kr/en/blog/1538124 - https://www.iplexlaw.co.kr/en/ip-solutions#client-stories - https://www.iplexlaw.co.kr/en/professionals/yongdeok-kim - https://www.iplexlaw.co.kr/en/blog/1363450 - https://www.iplexlaw.co.kr/en/blog/939721 - https://www.iplexlaw.co.kr/en/blog - https://www.iplexlaw.co.kr/en/blog/brunch-case-1787 - https://www.iplexlaw.co.kr/en/blog/category/patent - https://www.iplexlaw.co.kr/en/blog/brunch-case-1787 - https://www.iplexlaw.co.kr/en/blog/brunch-case-1787 - https://www.iplexlaw.co.kr/en/blog/fix-fine-grained-forgetting-attention - https://www.iplexlaw.co.kr/en/blog/category/ai - https://www.iplexlaw.co.kr/en/blog/fix-fine-grained-forgetting-attention - https://www.iplexlaw.co.kr/en/blog/fix-fine-grained-forgetting-attention - https://www.iplexlaw.co.kr/en/blog/saudi-arabia-trademark-filing-guide - https://www.iplexlaw.co.kr/en/blog/category/global-trademark - https://www.iplexlaw.co.kr/en/blog/saudi-arabia-trademark-filing-guide - https://www.iplexlaw.co.kr/en/blog/saudi-arabia-trademark-filing-guide