
Seong Soo Kim
ssk@iphyun.co.kr
Education
- Ph.D., Hanyang University, Applied Chemistry
Seong Soo Kim, a co-representative patent attorney, focuses his practice on
polymer, chemistry, materials science, and more. Mr. Kim has over 14 years of
experience working as a patent examiner and an administrative patent judge as
well as the general
secretary of the Korean Intellectual Property Office in the fields of chemistry
and biotechnology. With his professional engineer certificate specializing in
chemical industry, his sophisticated knowledge enables
him to proficiently handle complex intellectual property matters.
Writer of some Research Papers published on SCI Journals such as:
- Synthesis and Properties of Semi-interpenetrating Polymer Networks Composed of β-Chitin and Poly(ethylene glycol) macromer, Polymer, 36(23), 4497-4501(1995)
- β-Chitin-based Wound Dressing Containing Silver Sulfadiazine, JMS; Mater. in Med. 11(12), 817(2000)
- Interpenetrating Polymer Networks Hydrogels based on Poly(ethylene glycol) macromer and Chitosan, Carbohydrate Polymers, 41(2), 197-205(2000)
KIPO/ Patent judge in the fields of biotechnology, Organic chemistry, Inorganic
chemistry, Precision Chemistry and Environmental Energy
Chemistry R&D Project

Jin Yang
jy@iphyun.co.kr
Education
- M.S., Seoul National University, Applied Chemistry
Jin Yang, a co-representative patent attorney, has been practicing in the intellectual property field since 2002, specializing in prosecution and litigation in the fields of chemistry, polymer, and materials science. Prior to joining the firm, Mr. Yang worked as a head of international department at Halla Patent & Law Firm from 2002 to 2005 and as a head of chemistry department at Darae Law & IP Firm from 2005 to 2009.

Seong-Cheol Son
scs@iphyun.co.kr
Education
- M.S., Yonsei University, Food Biology Engineering
Seong-Cheol Son, a partner patent attorney, whose practice is mainly focused on food engineering, biotechnology, and chemistry. Prior to joining the firm, Mr. Son worked at Central Research Laboratory of Maeil Dairies Co. Ltd. from 1996 to 2004. He also worked as a patent attorney at Halla Patent & Law Firm from 2005 to 2008 and run his own law firm from 2008 to 2010, which was later merged into Chung Hyun Patent & Law Firm. With a background in food engineering and extensive research experience, Mr. Son published several related papers.

Jee-Yong Kim
jyk01@iphyun.co.kr
Education
- B.S., Korea University, Biotechnology
- Ph.D. course, Sungkyunkwan University, pharmacy
Jee-Yong Kim, a partner patent attorney, has been practicing in an intellectual property field since 2007, focusing on designing and constructing patent strategy and business model in the fields of biotechnology and pharmaceutical. Prior to joining the firm, Mr. Kim had worked as an IP team leader or marketer in several biotechnology and pharmaceutical companies such as ViroMed, DongWha Pharm., and Johnson & Johnson from 2001.

Kilseuk Byun
Education
- B.S., Seoul National University, Chemical Engineering
- M.S., Korea National Open University, Computer Science
Kilseuk Byun, a patent attorney, primarily focuses on the technical fields of chemical engineering and material sciences related to batteries, electronics, and vehicles. With over 6 years of experience as a research chemical engineer, Mr. Byun possesses extensive knowledge in organic, inorganic, and polymer chemistry. He has also served as an in-house IP counsel at major Korean chemical companies, including Samsung Fine Chemical Co. Ltd. and Lotte Chemical Co., Ltd. During his 17-year tenure as in-house IP counsel, he achieved notable accomplishments, such as obtaining a free license for the biodegradable polymer production process patent from a global No. 1 Chemical Company and mitigating business risks by ensuring non-infringement of patents owned by a globally renowned Japanese catalyst company. Before joining his current firm, he worked as a patent and trademark practitioner at other law firms, including Shin & Kim, Dongwon, and Hansung Patent Law Firm. His diverse technical background and extensive professional experience enable him to provide exceptional customer service.

Felitia I. Zoo
Education
- B.S., Seoul National University, Veterinary Medicine, 1998
- M.S., Korea National Open University, Africa and Francophonie, 2016
Felitia I. Zoo, a patent attorney, whose practice is mainly focused on medicine, biotechnology, and chemistry. Prior to joining the firm, Ms Zoo worked at Animal and Plant Quarantine Agency from 1998 to 2001. She also worked as a patent attorney at Korea Intellectual Property Strategy Agency from 2010 to 2016 and Boryung Pharmaceutical from 2016 to 2018, focusing on designing and constructing patent strategy. She wrote a paper on legistation in Africa about Nagoya Protocol.