A major South Korean patent dispute concerning the gastroesophageal reflux disease treatment K-CAB tablets (tegoprazan) reached a resolution on November 20 2025. The Korean Supreme Court affirmed earlier rulings in favour of the p…READ MORE

The South Korean Intellectual Property High Court (the IP High Court) has recently rendered a decision dismissing the use of the ‘abuse of right defence’ in invalidation actions. In the decision, given the difference in nature …READ MORE

Korean IP High Court, Case Nr: 023Na10693 In a significant decision for patent holders, Korea's IP High Court has ruled that a foreign company's online listings of products protected by Korean patents on a Chinese e-commerce p…READ MORE

On July 11, 2025, the Korean Intellectual Property Office (KIPO) implemented a series of amendments to patent and utility model procedures aiming to ease administrative burdens for applicants. The two primary revisions include ext…READ MORE

In principle, patent rights are territorial. This generally means that they are only effective within the country of registration and that direct patent infringements require that all elements of the patented invention were pra…READ MORE

In South Korea, similar to the US and other countries, consumer surveys serve as evidence of consumer recognition or perception in trademark practice, including litigation.A trademark survey has varying probative value dependin…READ MORE

The South Korean Patent Act has been amended to include “exporting” as one of the acts encompassed by patent infringement. The new law takes effect on July 22 2025.Expansion of the acts constituting patent infringementArticle 2 …READ MORE

A new patent term extension (PTE) system will be implemented in South Korea starting July 22 2025. The extension will be capped at 14 years from the date of marketing approval (MA), and the number of patents that can be extende…READ MORE

From February 21 2025, a new regulatory data protection system will take effect in South Korea. This will replace the ‘de facto’ data exclusivity that has been provided by the existing drug re-examination system for post-market…READ MORE

In South Korea, a patent term extension (PTE) is available if a patent covers an approved drug or agrochemical product and it could not have been practised after grant due to regulatory approval requirements (Article 89 ofthe K…READ MORE

Secondary batteries are now a part of our everyday lives and are present in almost everything, including mobile phones, laptops, portable devices, and electric vehicles. The secondary battery industry is a key driving force of …READ MORE

As the global marketplace becomes more crowded, we are increasingly seeing similar conflicting trademarks being filed and/or used.Although this trend is common throughout the world, there are significant differences between juri…READ MORE

On January 9 2024, the National Assembly of South Korea passed a bill to revise the Invention Promotion Act (IPA) to simplify the process by which an employer acquires the rights to job-related inventions created by its employe…READ MORE

Rapid advances in the field of AI are impacting almost every industry and business, as well as our daily lives. Undoubtedly, AI is a strong tool for innovation that enables us to create new inventions in various fields. In this…READ MORE

On February 20 2024, the South Korean Patent Act and the Unfair Competition Prevention and Trade Secret Protection Act (UCPA) were amended such that punitive damages are available up to five times the actual damages.Furthermore…READ MORE