ContextTo 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.

Practice Area
Trials and Litigation
AJU KIM CHANG LEE's litigators represent clients before KIPO and the Patent Court of Korea in invalidation, refusal, revocation, and scope-confirmation matters.
Overview
Trials and Litigation
Practice focus
Core service guidance organized for quick review by service stage.
ApproachAJU 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.
Representative Matters
Dispute Portfolio Map
37
Patent/Design/Utility Model
46
Trademark
Dispute Category
Patent/Design/Utility Model
36 representative matters
- Matter LanePatent Infringement litigationv.
Claimant
Philips(NED)
Respondent
Oasis
Jeil Record, Doraemi Media(KOR), CD Encoding Machine
- Matter LanePatent Infringement litigationv.
Claimant
Korean Microorganism laboratory(KOR)
Respondent
Bayer(GER)
Process for Preparation for Aqueous Components of Carboxylic Acid
- Matter LaneDesign infringement litigationv.
Claimant
Christian Dior(FRA)
Respondent
Byungdon Ryu(KOR)
Cosmetics container
- Matter LaneDesign Infringement litigationv.
Claimant
Philips(NED)
Respondent
Koeye
Steam Iron
- Matter LanePatent Infringement litigationv.
Claimant
Illinois Tool Works(USA)
Respondent
Woojin ACT(KOR)
Cleaner for wiping cloth
- Matter LanePatent infringement litigationv.
Claimant
Duke manufacturing co.(USA)
Respondent
KT&E(KOR)
Oven for restaurants
- Matter LanePatent infringement litigationv.
Claimant
SGB(GBR)
Respondent
GMS Construction Co.(KOR)
Bridge method of construction
- Matter LanePatent Infringement litigationv.
Claimant
Mando Climate Control Corporation(KOR)
Respondent
Samsung Electronic(KOR)
Kimchi refrigerator
- Matter LaneCompensation suit for employee's inventionv.
Claimant
EJ Kim (KOR)
Respondent
Samsung Electronics Co.
Ltd.(KOR), Semiautomatic slide type mobile phone technology
- Matter LanePatent Infringement litigationv.
Claimant
Showa Denko(JPN)
Respondent
Doosan. et al.(KOR)
Oligomer Lens Composition
- Matter LanePatent Infringement litigationv.
Claimant
Dong-A Pharm.(KOR)
Respondent
DuPont(USA)
Process of making Technetium Needle Kit
- Matter LanePatent Infringement litigationv.
Claimant
Kyungdong Pharma.(KOR)
Respondent
Janssen(USA)
Piperidine Derivatives
- Matter LanePatent Infringement litigationv.
Claimant
Kwangdong Pharmaceuticals(KOR)
Respondent
Samsung Pharmaceuticals (KOR)
Liquid Composition for Ox Bezoar
- Matter LanePatent Infringement litigationv.
Claimant
Kyungdong Pharma.(KOR)
Respondent
Eli Lily(USA)
Nizatidine
- Matter LanePatent infringement litigation
Borneo Furniture Co., Ltd(KOR) v. Lee(KOR), Method of manufacturing furniture using polyurethane; Patent infringement litigation
- Matter LanePatent Infringement litigationv.
Claimant
MyungMoon Pharm. Co. Ltd.(KOR)
Respondent
Organon(USA)
Tibolone
- Matter LanePatent Infringement litigationv.
Claimant
Intech Electronics Co.(USA)
Respondent
Nihon Micronics(JPN)
Semiconductor module
- Matter LanePatent Infringement litigationv.
Claimant
Sun Tech(CHN)
Respondent
Eastern Mastec Co.(KOR)
Infrared-integrated monitoring camera
- Matter LanePatent infringement litigationv.
Claimant
Given Imaging(ISR)
Respondent
Intro Medic(KOR)
Capsule endoscope
- Matter LanePatent infringement litigationvv.
Claimant
Gaba Plus co.(KOR)
Respondent
KT co.(KOR)
Community Call business
- Matter LanePatent Infringement litigationv.
Claimant
H. Benesu(KOR)
Respondent
Wonbo Kwak(KOR)
Multilayered insole with foot reflexology effect
- Matter LaneCompensation suit for employee's invention
Dong A Pharmaceutical Co., Ltd.(KOR) v. Kim, etc.(KOR), Athlete's foot ointment'Itraconazole'; Compensation suit for employee's invention
- Matter LanePatent Infringement litigationv.
Claimant
Daeil Mining Co.(KOR)
Respondent
Jisung Co.(KOR)
Jade cotton batting
- Matter LanePatent Infringement litigationv.
Claimant
Korea Lubrication Technology(KOR)
Respondent
EL Korea Co.(KOR)
Apparatus for supplying lubrication
- Matter LanePatent Infringement litigationv.
Claimant
Hanmi Semiconductor Co.(KOR)
Respondent
Sunjin Semiconductor Mold Co.(KOR)
Semiconductor module
- Matter LanePatent Infringement litigationv.
Claimant
Mando Machinery Co.(KOR)
Respondent
Lee
etc.(KOR), Kimchi refrigerator related to period of maturing Kimchi
- Matter LanePatent Infringement litigation
Expan Electronics Co., Ltd.(KOR) v. EM Solutions(KOR), The manufacturing method of the Electromagnetic shielding gasket; Patent Infringement litigation
- Matter LanePatent Infringement litigationv.
Claimant
Paradise(KOR)
Respondent
Yongwon ENC(KOR)
Fire-fighting Apparatus
- Matter LanePatent Infringement litigationv.
Claimant
Hanbit Carpet(KOR)
Respondent
Jinki Jang(KOR)
A wood carpet
- Matter LanePatent Infringement litigationv.
Claimant
Gorigaraoke Tech(JPN)
Respondent
Gu-mi Electronics Co.(KOR)
A wireless mike
- Matter LaneDesign infringement litigationv.
Claimant
DID(KOR)
Respondent
Lotte Wallpaper(KOR)
Design of wallpaper
- Matter LanePatent Infringement litigationv.
Claimant
Jinro(KOR)
Respondent
Daesang(KOR)
Preparation process of a Soju containing aspartic acid
- Matter LanePatent Infringement litigationv.
Claimant
Daeyang DNT(KOR)
Respondent
STIT(THA)
Electric type card reader
- Matter LaneDesign Infringement litigationv.
Claimant
Jearyong Industry Co.(KOR)
Respondent
Dong-il Jang(KOR)
Plastic reel for wiring
- Matter LanePatent Infringement litigationv.
Claimant
Dohwa Engineering Co.((KOR)
Respondent
Enviropia(KOR)
Design of waste landfill
- Matter LanePatent Act violationv.
Claimant
Furmax co.(KOR)
Respondent
Kim
etc.(KOR), Dial lock reset apparatus
Dispute Category
Trademark
45 representative matters
- Matter LaneTrademark Infringement litigationv.
Claimant
Coca-Cola(USA)
Respondent
Lotte Chilsung Beverage Co.
Ltd.(KOR), Sprite
- Matter LaneRevocation litigation against the trial decision of refusing trademark registrationv.
Claimant
Deutschbank(GER)
Respondent
KIPO(KOR)
- Matter LaneTrademark Cancellation litigationv.
Claimant
Landis +Gyr(SUI)
Respondent
Landis & Gyr Korea(KOR)
Landis
- Matter LaneTrademark Infringement litigationv.
Claimant
Polo Ralph Lauren(USA)
Respondent
Boin Enterprise
Polo
- Matter LaneTrademark Infringement litigation and Unfair Competition litigationv.
Claimant
Paolo Gucci(ITA)
Respondent
Gucci(ITA)
GUCCI
- Matter LaneTrademark infringement litigationv.
Claimant
Louis Vuitton Malletier(FRA)
Respondent
Park
etc.(KOR), Louis Vuitton
- Matter LaneTrademark Infringement litigationv.
Claimant
Jean Pierre
Respondent
Sun-Young
ltd.(KOR), Jean Pierre
- Matter LaneTrademark Infringement litigationv.
Claimant
Hyundai IT(KOR)
Respondent
Hyundai Multinet(KOR)
Hyundai Multinet, Hyundai Syscom
- Matter LaneTrademark Infringement litigationv.
Claimant
Hyundai IT(KOR)
Respondent
Hyundai Corporation(KOR)
Hyundai
- Matter LaneUnfair Competition litigationv.
Claimant
Johnson & Johnson(USA)
Respondent
Boryung Pharma.(KOR)
packaging design of Clean & Clear control powder clear
- Matter LaneTrademark Infringement litigation
Christian Mode co.(KOR), Louis Quatorze; Trademark Infringement litigation
- Matter LaneUnfair Competition litigationv.
Claimant
Philips(NED)
Respondent
Koeye
Design of Steam Iron
- Matter LaneTrademark Infringement litigationv.
Claimant
Rinnai Japan(JPN)
Respondent
Rinnai Korea(KOR)
Rinnai
- Matter LaneTrade Secret Infringement litigationv.
Claimant
Iljin Diamond(KOR)
Respondent
GE
Industrial diamonds
- Matter LaneTrade Secret Infringement litigation
AHP(the licenser of 'ELLE'); Trade Secret Infringement litigation
- Matter LaneTrademark Infringement litigation
Mexican Chicken(KOR), 'Mexican' chicken; Trademark Infringement litigation
- Matter LaneUnfair Competition litigationv.
Claimant
Secom(JPN)
Respondent
Yim Young-woon
SECOM
- Matter LaneTrademark Infringement litigationv.
Claimant
Menthoratum(USA)
Respondent
Boryung Pharma.(KOR)
Menthom Neo
- Matter LaneUnfair Competition litigationv.
Claimant
YeongDong Diagnostics(KOR)
Respondent
SD(KOR)
Urine analysis paper
- Matter LaneUnfair Competition litigationv.
Claimant
Boryung Pharma.(KOR)
Respondent
Dongsung Pharma.(KOR)
packaging design of Jang Ro Hwn
- Matter LaneTrade Secret Infringement litigationv.
Claimant
Boryung Pharma.(KOR)
Respondent
Park
etc.(KOR)
- Matter LaneTrademark Infringement litigationv.
Claimant
Hite beer(KOR)
Respondent
Mekah beverages
HITE
- Matter LaneTrade Secret Infringement litigation
Korea Hyeophwa Chemical Ind.Co., Ltd(KOR) v. Lee Jeong-min(retired employee), Method of manufacturing fertilizers; Trade Secret Infringement litigation
- Matter LaneDomain Name/Trademark Infringement litigation
Mando(KOR), Dimchae; Domain Name/Trademark Infringement litigation
- Matter LaneTrademark infringement and unfair competition litigation
New Balance Athletic Shoe, Inc.(USA) v. Unistar co.(CHN); Trademark infringement and unfair competition litigation
- Matter LaneUnfair Competition litigationv.
Claimant
HMI Industry(USA)
Respondent
Royal Queen(KOR)
A cylindrical vacuum cleaner
- Matter LaneTrademark infringement litigationv.
Claimant
Seoul National University(KOR)
Respondent
Kennedy and Kennedy co.(USA)
- Matter LaneTrade Secret Infringement litigationv.
Claimant
Hansaem Digitec(KOR)
Respondent
Speed JM(KOR)
PCB circuit testing apparatus
- Matter LaneTrademark Infringement litigationv.
Claimant
Daewoo Electronics(KOR)
Respondent
People Selling Happiness(KOR)
Daewoo
- Matter LaneUnfair Competition litigationv.
Claimant
Expediators(USA)
Respondent
Kim Jong-Boak(KOR)
Expeditors
- Matter LaneTrademark Infringement litigationv.
Claimant
Hanseo Enterprise(KOR)
Respondent
Saboi Distribution(KOR)
ROOT
- Matter LaneUnfair Competition litigationv.
Claimant
Guangdong(KOR)
Respondent
Ilhwa(KOR)
Kwangssangtang F
- Matter LaneTrademark Infringement litigationv.
Claimant
Kwangdong Pharmaceuticals(KOR)
Respondent
KIM
etc.(KOR), Vita-500
- Matter LaneTrademark Infringement litigationv.
Claimant
BoSeong Green Tea(KOR)
Respondent
Boseong F.B.(KOR)
참맑은(Cham Mal-geun)
- Matter LaneUnfair Competition litigationv.
Claimant
Haidong Gumdo Co.(KOR)
Respondent
Na Han-il(KOR)
Haidong Gumdo
- Matter LaneTrademark Infringement litigationv.
Claimant
Choi Mun-ja(KOR)
Respondent
Yu Myung-soo(KOR)
Cho-dang tofu
- Matter LaneService mark Infringement litigationv.
Claimant
Keumkang Housing(KOR)
Respondent
Kumgang Construction Co.
Ltd.(KOR), Keumgang
- Matter LaneTrademark Damage litigationv.
Claimant
Ssalroman Bakery(KOR)
Respondent
Seoul Food(KOR)
Ppeong-y-yo
- Matter LaneLitigation for Cancellation of Trademark transfer registrationv.
Claimant
Woodpia(KOR)
Respondent
Han Won-joo(KOR)
Woodpia
- Matter LaneTrade Secret Infringement litigationv.
Claimant
Shinsegae Heavy Industry(KOR)
Respondent
Dong Kwang Heavy Industry(KOR)
Method of manufacturing the hydraulic hammer
- Matter LaneUnfair Competition litigationv.
Claimant
Doori Co. Ltd.(KOR)
Respondent
Dury Chemical(KOR)
Dury
- Matter LaneDesign Infringement litigationv.
Claimant
SooSan Heavy Industry(KOR)
Respondent
BooHeung Heavy Industry(KOR)
Crusher
- Matter LaneUnfair Competition litigationv.
Claimant
M.U Sports(JPN)
Respondent
MU Corporation
MU
- Matter LaneTrademark Infringement litigation
Goryeo Samgyetang, Goryeo Samgyetang; Trademark Infringement litigation
- Matter Lane
Injuction for Prohibition of unfair competition concerning 'Cupban' between 'CJ Cheiljedang' and 'Ottogi'
Capability Map
Practice Highlights
Invalidation trials for patents and trademarks
Trials against refusal or revocation rulings
Trials to confirm patent right scope
Legal procedures before the Patent Court of Korea
Overseas trial and litigation support (US, China, Japan, Europe)

Contact
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