After becoming a licensed pharmacist in 2008 and qualifying as a patent attorney in 2012, Ms. Sooyoung Yoon has specialized in intellectual property matters in the pharmaceutical, biotechnology, and chemistry fields
Ms. Yoon’s practice focuses on domestic and foreign patent prosecution, Office Action responses, prior-art searches and patentability analyses, IP consulting, freedom-to-operate (FTO) analyses, infringement analyses, and patent dispute counseling. She provides comprehensive IP services covering the entire lifecycle of research and development, from early-stage patent strategy and portfolio development to licensing, enforcement, and dispute resolution.
In particular, drawing on her deep technical understanding of pharmaceutical inventions — including new drug compounds, medical uses, formulations, and dosage regimens — Ms. Yoon has substantial experience in small-molecule compounds, biologics, antibodies, proteins, and antibody-drug conjugates. She also handles patent matters relating to cosmetics, food, and health functional foods.
In addition, Ms. Yoon has experience in patent invalidation trials, scope confirmation trials, correction trials, and infringement analyses relating to pharmaceutical patents. She has advised numerous pharmaceutical and biotechnology companies on patent portfolio development, patent landscape analyses, and dispute response strategies.
EDUCATION
- Ewha Womans University (B.S. in Pharmacy, 2008)
WORK EXPERIENCE
- LEE & MOCK IP (2016-Present)
- HA & HA Intellectual Property Attorney (2014-2016)
- Dr. Ahn International Patent Law Office (2013-2014)
ADMISSION
- Patent Attorney, Republic of Korea (2012)
- Pharmacist, Republic of Korea (2008)
LANGUAGES
- Korean, English
KEY ACTIVITIES
MEMBERSHIP
- Korean Patent Attorneys Association(KPAA)
REPRESENTATIVE MATTERS
- -Development of patent strategies and portfolio management throughout the drug development lifecycle
- -Competitive patent landscape analyses and filing strategy counseling for pharmaceutical and biotechnology companies
- -Infringement and invalidity analyses, including warning letter responses
- -Patent landscape studies and patent valuation reports for government-supported IP-R&D projects
- -Conducted intellectual property training for universities and research institutes
REPRESENTATIVE LITIGATION CASES
- -Successfully represented clients in patent invalidation trials relating to combination drug products
- -Handled patent invalidation and scope confirmation trials relating to pharmaceutical formulations
- -Obtained favorable decisions in correction trials relating to formulation patents