Practice Area

Registrational Trial & Litigation

To best secure corporate success in this competitive and pioneering environment, it is often determined by how carefully the company protects, develops and defends its technological innovations. In this sense, IP related litigation has a significant importance for the company’s current and future operations. By eradicating inappropriate usage of these intangible assets, the company’s market position, reputation and creative power are encouraged.

AJU Kim, Chang & Lee’s litigators fully understand the consequences of the IP related disputes. They are committed to represent the client before the Korean Intellectual Property Office (KIPO) for invalidation trial of patent & trade mark, trial against ruling of refusal or revocation, trial to confirm the scope of a Patent right, and various legal procedures before the Patent Court of Korea. AJU Kim Chang & Lee is one of the top rankers in Korea for both in number of cases and winning acquisition ratio.

  • Philips(NED) v. Oasis, Jeil Record, Doraemi Media(KOR), CD Encoding Machine; Patent Infringement litigation

  • Korean Microorganism laboratory(KOR) v. Bayer(GER), Process for Preparation for Aqueous Components of Carboxylic Acid; Patent Infringement litigation

  • Christian Dior(FRA) v. Byungdon Ryu(KOR), Cosmetics container; Design infringement litigation

  • Philips(NED) v. Koeye, Steam Iron; Design Infringement litigation

  • Illinois Tool Works(USA) v. Woojin ACT(KOR), Cleaner for wiping cloth; Patent Infringement litigation

  • Duke manufacturing co.(USA) v. KT&E(KOR), Oven for restaurants; Patent infringement litigation

  • SGB(GBR) v. GMS Construction Co.(KOR), Bridge method of construction; Patent infringement litigation

  • Mando Climate Control Corporation(KOR) v. Samsung Electronic(KOR), Kimchi refrigerator; Patent Infringement litigation

  • EJ Kim (KOR) v. Samsung Electronics Co., Ltd.(KOR), Semiautomatic slide type mobile phone technology; Compensation suit for employee's invention

  • Showa Denko(JPN) v. Doosan. et al.(KOR), Oligomer Lens Composition; Patent Infringement litigation

  • Dong-A Pharm.(KOR) v. DuPont(USA), Process of making Technetium Needle Kit; Patent Infringement litigation

  • Kyungdong Pharma.(KOR) v. Janssen(USA), Piperidine Derivatives; Patent Infringement litigation

  • Kwangdong Pharmaceuticals(KOR) v. Samsung Pharmaceuticals (KOR), Liquid Composition for Ox Bezoar; Patent Infringement litigation

  • Kyungdong Pharma.(KOR) v. Eli Lily(USA), Nizatidine; Patent Infringement litigation

  • Borneo Furniture Co., Ltd(KOR) v. Lee(KOR), Method of manufacturing furniture using polyurethane; Patent infringement litigation

  • MyungMoon Pharm. Co. Ltd.(KOR) v. Organon(USA), Tibolone; Patent Infringement litigation

  • Intech Electronics Co.(USA) v. Nihon Micronics(JPN), Semiconductor module; Patent Infringement litigation

  • Sun Tech(CHN) v. Eastern Mastec Co.(KOR), Infrared-integrated monitoring camera; Patent Infringement litigation

  • Given Imaging(ISR) v. Intro Medic(KOR), Capsule endoscope; Patent infringement litigation

  • Gaba Plus co.(KOR) v. KT co.(KOR), Community Call business; Patent infringement litigationv

  • H. Benesu(KOR) v. Wonbo Kwak(KOR), Multilayered insole with foot reflexology effect; Patent Infringement litigation

  • Dong A Pharmaceutical Co., Ltd.(KOR) v. Kim, etc.(KOR), Athlete's foot ointment‘Itraconazole’; Compensation suit for employee's invention

  • Daeil Mining Co.(KOR) v. Jisung Co.(KOR), Jade cotton batting; Patent Infringement litigation

  • Korea Lubrication Technology(KOR) v. EL Korea Co.(KOR), Apparatus for supplying lubrication; Patent Infringement litigation

  • Hanmi Semiconductor Co.(KOR) v. Sunjin Semiconductor Mold Co.(KOR), Semiconductor module; Patent Infringement litigation

  • Mando Machinery Co.(KOR) v. Lee, etc.(KOR), Kimchi refrigerator related to period of maturing Kimchi; Patent Infringement litigation

  • Expan Electronics Co., Ltd.(KOR) v. EM Solutions(KOR), The manufacturing method of the Electromagnetic shielding gasket; Patent Infringement litigation

  • Paradise(KOR) v. Yongwon ENC(KOR), Fire-fighting Apparatus; Patent Infringement litigation

  • Hanbit Carpet(KOR) v. Jinki Jang(KOR), A wood carpet; Patent Infringement litigation

  • Gorigaraoke Tech(JPN) v. Gu-mi Electronics Co.(KOR), A wireless mike; Patent Infringement litigation

  • DID(KOR) v. Lotte Wallpaper(KOR), Design of wallpaper; Design infringement litigation

  • Jinro(KOR) v. Daesang(KOR), Preparation process of a Soju containing aspartic acid; Patent Infringement litigation

  • Daeyang DNT(KOR) v. STIT(THA), Electric type card reader; Patent Infringement litigation

  • Jearyong Industry Co.(KOR) v. Dong-il Jang(KOR), Plastic reel for wiring; Design Infringement litigation

  • Dohwa Engineering Co.((KOR) v. Enviropia(KOR), Design of waste landfill; Patent Infringement litigation

  • Furmax co.(KOR) v. Kim, etc.(KOR), Dial lock reset apparatus; Patent Act violation

  • Others

  • Coca-Cola(USA) v. Lotte Chilsung Beverage Co., Ltd.(KOR), Sprite; Trademark Infringement litigation

  • Deutschbank(GER) v. KIPO(KOR); Revocation litigation against the trial decision of refusing trademark registration

  • Landis +Gyr(SUI) v. Landis & Gyr Korea(KOR), Landis; Trademark Cancellation litigation

  • Polo Ralph Lauren(USA) v. Boin Enterprise, Polo; Trademark Infringement litigation

  • Paolo Gucci(ITA) v. Gucci(ITA), GUCCI; Trademark Infringement litigation and Unfair Competition litigation

  • Louis Vuitton Malletier(FRA) v. Park, etc.(KOR), Louis Vuitton; Trademark infringement litigation

  • Jean Pierre v. Sun-Young, ltd.(KOR), Jean Pierre; Trademark Infringement litigation

  • Hyundai IT(KOR) v. Hyundai Multinet(KOR), Hyundai Multinet, Hyundai Syscom; Trademark Infringement litigation

  • Hyundai IT(KOR) v. Hyundai Corporation(KOR), Hyundai; Trademark Infringement litigation

  • Johnson & Johnson(USA) v. Boryung Pharma.(KOR), packaging design of Clean & Clear control powder clear; Unfair Competition litigation

  • Christian Mode co.(KOR), Louis Quatorze; Trademark Infringement litigation

  • Philips(NED) v. Koeye, Design of Steam Iron; Unfair Competition litigation

  • Rinnai Japan(JPN) v. Rinnai Korea(KOR), Rinnai; Trademark Infringement litigation

  • Iljin Diamond(KOR) v. GE, Industrial diamonds; Trade Secret Infringement litigation

  • AHP(the licenser of ‘ELLE’); Trade Secret Infringement litigation

  • Mexican Chicken(KOR), ‘Mexican’ chicken; Trademark Infringement litigation

  • Secom(JPN) v. Yim Young-woon, SECOM; Unfair Competition litigation

  • Menthoratum(USA) v. Boryung Pharma.(KOR), Menthom Neo; Trademark Infringement litigation

  • YeongDong Diagnostics(KOR) v. SD(KOR), Urine analysis paper; Unfair Competition litigation

  • Boryung Pharma.(KOR) v. Dongsung Pharma.(KOR), packaging design of Jang Ro Hwn; Unfair Competition litigation

  • Boryung Pharma.(KOR) v. Park, etc.(KOR); Trade Secret Infringement litigation

  • Hite beer(KOR) v. Mekah beverages, HITE; Trademark Infringement litigation

  • Korea Hyeophwa Chemical Ind.Co., Ltd(KOR) v. Lee Jeong-min(retired employee), Method of manufacturing fertilizers; Trade Secret Infringement litigation

  • Mando(KOR), Dimchae; Domain Name/Trademark Infringement litigation

  • New Balance Athletic Shoe, Inc.(USA) v. Unistar co.(CHN); Trademark infringement and unfair competition litigation

  • HMI Industry(USA) v. Royal Queen(KOR), A cylindrical vacuum cleaner; Unfair Competition litigation

  • Seoul National University(KOR) v. Kennedy and Kennedy co.(USA); Trademark infringement litigation

  • Hansaem Digitec(KOR) v. Speed JM(KOR), PCB circuit testing apparatus; Trade Secret Infringement litigation

  • Daewoo Electronics(KOR) v. People Selling Happiness(KOR), Daewoo; Trademark Infringement litigation

  • Expediators(USA) v. Kim Jong-Boak(KOR), Expeditors; Unfair Competition litigation

  • Hanseo Enterprise(KOR) v. Saboi Distribution(KOR), ROOT; Trademark Infringement litigation

  • Guangdong(KOR) v. Ilhwa(KOR), Kwangssangtang F; Unfair Competition litigation

  • Kwangdong Pharmaceuticals(KOR) v. KIM, etc.(KOR), Vita-500; Trademark Infringement litigation

  • BoSeong Green Tea(KOR) v. Boseong F.B.(KOR), 참맑은(Cham Mal-geun); Trademark Infringement litigation

  • Haidong Gumdo Co.(KOR) v. Na Han-il(KOR), Haidong Gumdo; Unfair Competition litigation

  • Choi Mun-ja(KOR) v. Yu Myung-soo(KOR), Cho-dang tofu; Trademark Infringement litigation

  • Keumkang Housing(KOR) v. Kumgang Construction Co.,Ltd.(KOR), Keumgang; Service mark Infringement litigation

  • Ssalroman Bakery(KOR) v. Seoul Food(KOR), Ppeong-y-yo; Trademark Damage litigation

  • Woodpia(KOR) v. Han Won-joo(KOR), Woodpia; Litigation for Cancellation of Trademark transfer registration

  • Shinsegae Heavy Industry(KOR) v. Dong Kwang Heavy Industry(KOR), Method of manufacturing the hydraulic hammer; Trade Secret Infringement litigation

  • Doori Co. Ltd.(KOR) v. Dury Chemical(KOR), Dury; Unfair Competition litigation

  • SooSan Heavy Industry(KOR) v. BooHeung Heavy Industry(KOR), Crusher; Design Infringement litigation

  • M.U Sports(JPN) v. MU Corporation, MU; Unfair Competition litigation

  • Goryeo Samgyetang, Goryeo Samgyetang; Trademark Infringement litigation

  • Injuction for Prohibition of unfair competition concerning ‘Cupban’ between ‘CJ Cheiljedang’ and ‘Ottogi’

  • Others

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