Yeah-Sil Moon is a leading U.S. and Korean patent lawyer as recognized by Chambers, Super Lawyers, and The New York Times. Her 30-year practice is an extraordinarily rich experience of successfully handling patent prosecution, litigation, and strategic counseling matters for clients in the pharmaceutical, biotechnology, chemical, automobile, telecommunication, electronic, mechanical, and medical device sectors. Yeah-Sil has prosecuted and enforced patents worldwide for some of the most successful therapeutics. She has assisted BMS (formerly Celgene Corp.) in establishing its global patent portfolio, including prosecution, strategic counseling, litigation, inter partes review (IPR), opposition, invalidation, and transactions for products including billions dollar a year drugs REVLIMID®, POMALYST®, OTEZLA®, ONUREG®, VIDAZA®, THALOMID®, and ABRAXANE® for treating cancers and immune, inflammatory conditions.
Yeah-Sil has successfully defended patent infringement actions in various district courts and the International Trade Commission (ITC). Recently she achieved a tremendously important victory for SK Innovation against LG Chem in a patent infringement dispute before the ITC involving lithium-ion battery technology used in electric vehicles. She also obtained Federal Circuit's decision affirming a summary judgment of noninfringement for PI Advanced Materials (SKC Kolon PI) and won a jury verdict of noninfringement for SOLiD in the Northern District of California. Yeah-Sil also has in-depth experience in IPR. She has significant experience with patent prosecution, litigation, opposition, and invalidation proceedings in Asia, Europe, Australia, Mexico, and Brazil.
Yeah-Sil leads the Firm's Korea Practice and is a member of the Firm's Patent Prosecution Council. She regularly travels to Korea to visit clients and to lecture on hot topics of U.S. and international IP protection.
- Yeshiva University, Benjamin N. Cardozo School of Law (J.D. 2002); St. John's University (M.S. in Pharmaceutical Science 1986); Seoul National University, Graduate School of Public Health (1983); Ewha Womans University, Korea (B.S. in Pharmacy 1982)
- New York, Korean Intellectual Property Office, United States Patent and Trademark Office, U.S. Court of Appeals for the Federal Circuit, and U.S. District Court for the Eastern District of New York
Recognized in The New York Times Magazine's "Top Women Attorneys in New York Rising Stars"
Ranked in Chambers Global as a leader in intellectual property for USA and South Korea
Recognized in Super Lawyers as a "Rising Star" in intellectual property
New York Metro Super Lawyers
- Korean, Japanese