Kim & Chang

South Korea

39, Sajik-ro 8-gil, Jongno-gu
South Korea


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Kim & Chang's Intellectual Property (IP) Practice uniquely combines the top-rated IP-specialized practice in Korea with the resources of Korea's leading general practice law firm. Our IP Practice boasts the deepest and most experienced roster of IP attorneys, patent attorneys and other professionals in Korea, and with the combined resources of the largest general law firm in Korea and one of the largest in Asia, is able to offer comprehensive legal solutions for all IP and IP-related needs, and a wealth of knowledge gleaned from handling many of the most important IP cases in Korea in the last 40 years.

With over 300 professionals including IP litigators, patent attorneys and foreign IP attorneys, and over 550 patent engineers, trademark paralegals, and support staff, we cover the full scope of IP rights. Our patent professionals have specialized technical backgrounds in numerous fields, including biotech, pharmaceuticals, chemistry, mechanical engineering, electrical engineering and computer science. Many of our professionals also have extensive experience as judges, prosecutors, or Korean Intellectual Property Office (KIPO) examiners, and their experience and know-how is invaluable in obtaining positive results for our clients. We work closely with other practice groups within the firm, including general corporate law, mergers & acquisitions, competition law and customs, in order to advise our clients on any IP-related legal issue they may encounter in Korea.


Last updated 9th of September 2019

Patent Prosecution and Enforcement – preparation, filing, and prosecution of patents in all technical areas, including national filing of foreign applications, and the filing of applications in foreign jurisdictions; training for local Korean companies and subsidiaries on IP development and filing; and all types of patent litigation in Korea, including patent actions at KIPO, infringement actions in the district courts, all levels of patent-related appeals (including Supreme Court cases), as well as agency IP-related enforcement (Korean ITC, Korean Customs, etc).

Trademark Prosecution and Enforcement – prosecution of trademark applications and management of global portfolios; registration of domain names; availability searches and strategic counseling from the product design stage to launch and enforcement; registration of trademarks with the Korea Customs Service and coordination with agencies, police and prosecutors to enforce trademarks against counterfeits and infringing products.

Design Prosecution and Enforcement – prosecution of design applications; infringement/validity analyses and prior art searches; administrative, civil, and criminal litigation proceedings; settlement, licensing, and transfer agreements; portfolio management, M&A due diligence and audit work.

Copyright Registration and Enforcement – preparation and filing of applications in all areas, including electronic and online content; copyright transactions such as chain-of-title searches, licensing and sale, derivative works and neighboring rights; copyright litigation and enforcement against copyright piracy or infringement.

IP Counseling & Strategy – intellectual property portfolio development and management, IP and technology field analysis including big data analysis, asset valuation and monetization, employee invention issues and regulatory compliance.

Licensing & IP Transactions – licenses, transfers, and assignments of IP; IP as collateral for financing; consulting and negotiations in M&A transactions, distributorships, franchise agreements, and R&D and licensing agreements.

Trade Secret Litigation & Corporate Information Protection – civil and criminal disputes, administrative proceedings at the Korea Trade Commission, digital forensics and evidence analysis, alternative dispute resolution, training and advice on procedures for managing trade secrets and confidential information, managing export control issues, drafting and advising on trade secret licensing and development agreements.

Multinational / Regional Support – native language capability in Korean, English, Japanese, Chinese, French, and German; extensive experience in handling multinational litigations as well as transactions; international litigation support including prior art searches, assistance with discovery including depositions, and non-English native language document review and analysis.