Hosup YEO - Kim & Chang IP

Overview

Hosup Yeo is a patent attorney in the Chemical/Pharma Practice of the firm, specializing in the areas of medicinal chemistry and pharmacology.

He has a strong knowledge in drug development and extensive research experience in screening, isolation and synthesis of biologically active compounds. Prior to joining the firm, he worked as an Administrative Patent Judge in the Korean Intellectual Property Tribunal from 2009 to 2010, as a Solicitor in the Litigation Team of the Korean Intellectual Property Tribunal from 2008 to 2009, and as a Patent Examiner in the Pharmaceutical Chemistry Division of the Korean Intellectual Property Office from 1999 to 2008. Through his past work experiences, he had experienced numerous patent trials, patent litigations and patent examinations, particularly in the area of Pharmaceutical Chemistry, which led him to build up his strong capabilities in patent enforcement. His practice focuses on developing and executing strategies to help clients to obtain, protect and enforce their IP rights, especially in the fields of chemical and pharmaceutical technologies.

Profile

Experience

Kim & Chang (2010.8.-Present)

Administrative Patent Judge, Board of Appeal 6, Korean Intellectual Property Tribunal (2009.6.-2010.7.)

Solicitor, Litigation Team, Korean Intellectual Property Tribunal (2008.4.- 2009.6.)

Patent Examiner, Division of Pharmaceutical Chemistry, Korean Intellectual Property Office (KIPO) (2003.6.-2008.4.)

Postdoctoral associate, Department of Pharmacology, Yale University School of Medicine (2001.6.-2003.5.)

Postdoctoral associate, Department of Chemistry, Yale University (2000.6.-2001.5.)

Patent Examiner, Division of Pharmaceutical Chemistry, KIPO (1999.2.-2000.5.)

Postdoctoral Fellow, College of Pharmacy, Seoul National University (1998.4.-1999.2.)

Postdoctoral Fellow, Korea Research Institute of Bioscience and Biotechnology (1998.3.-1998.4.)

Research Assistant (Instrumental Analysis), College of Pharmacy, Seoul National University (1994.1.-1996.2.)

Representative ActivitiesView All

Awards

Commendation from the Commissioner of Korean Intellectual Property Office (Best Examiner, 2008)
Commendation from the Commissioner of Korean Intellectual Property Office (Support for national R&D and patent, 2005)

Publications/Activities

Patent trends in natural product drug, Trends in Health Industry & Technology 24, 125-133 (2005)
Inhibition of hepatitis B virus gene expression and replication by helioxanthin and its derivative, Antiviral Chemistry and Chemotherapy 16(3), 193-201 (2005)
Synthesis and antiviral activity of helioxanthin analogues, Journal of Medicinal Chemistry 48(2), 534-546 (2005)
Increased anti-P-glycoprotein activity of baicalein by alkylation on the A ring, Journal of Medicinal Chemistry 47(22), 5555-5566 (2004)
Lignans of Rosa multiflora roots, Archieves of Pharmacal Research 27(3), 287-290 (2004)
New pregnane glycosides from Cynanchum ascyrifolium, Chemical and Pharmaceutical Bulletin 50(6), 847-849 (2002)
Neuroprotective compounds against glutamate-induced toxicity in primary cultures of rat cortical cells from herbal medicines, Analytical Sciences 17s, a413-6 (2001)
A new triterpene lactone from the roots of Patrinia scabiosaefolia, Archieves of Pharmacal Research 24(5), 416-417 (2001)
Protection of rat hepatocytes exposed to CCl4 in vitro by cynandione A, a biacetophenone from Cynanchum wilfordii, Journal of Pharmacy and Pharmacology 52(3), 341-345 (2000)
Cynandione A from Cynanchum wilfordii protects cultured cortical neurons from toxicity induced by H2O2, L-glutamate, and kianate, Journal of Neuroscience Research 59(2), 259-264 (2000)
Uncarinic acids: Phospholipase Cg1 inhibitors from hooks of Uncaria rhynchophylla, Bioorganic and Medicinal Chemistry Letters 9(10), 1429-1432 (1999)
Enzymatic synthesis of a dihydrobenzofuran neolignan by oxidative coupling, Archieves of Pharmacal Research 22(3), 306-308 (1999)
Steroidal glycosides of the 14,15-Seco-18-Nor-pregnane series from Cynanchum ascyrifolium, Phytochemistry 49(4), 1129-1133 (1998)
An A-ring contracted triterpenoid from Rosa multiflora, Phytochemistry 48(8), 1399-1401 (1998)
A benzoquinone from Cynanchum wilfordii, Phytochemistry 46(6), 1103-1105 (1997)
Selective extraction of bioactive substances from natural medicinal resources utilizing supercritical fluid technology, Chemical Industry and Technology 15(1), 14-21 (1997)
A flavonoid diglycoside from Lepisorus ussuriensis, Phytochemistry 43(5), 1111-1113 (1996)
Phytochemical studies on the constituents of Filipendula glaberrima, Korean Journal of Pharmacognosy 23(3), 121-125 (1992)