Overview
Ying Li counsels biotechnology and pharmaceutical clients on patent portfolio management and strategic development. She has extensive experience in patent prosecution worldwide. Ying helps clients survey competitive patent landscapes and renders opinions of counsel on freedom to operate, non-infringement, and patent invalidity. She also conducts IP due diligence for venture capital investment and corporate business development.
Ying has worked on a range of therapeutic areas including cancer, autoimmunity, metabolic disorders, and cardiovascular diseases, with expertise in antibody and RNA-based therapeutics, gene therapy, cell therapy, vaccines, small molecules, and molecular diagnostics.
Ying also has extensive experience in contentious matters before US and foreign patent offices, and has represented clients in matters related to transgenic animals and immune molecules. She successfully argued for an interference appellee before the Court of Appeals for the Federal Circuit in a case of first impression related to conception of recombinant DNA.
IAM notes Ying is "upholding the firm’s good name in New York" and that she "is a favourite for pharmaceutical and biotechnology companies looking to assess the competitor landscape and enhance their patent portfolios."
During her doctoral research, Ying discovered a novel gene involved in DNA double-stranded break repair and antibody V(D)J gene rearrangement.
- New York
- US District Court, Eastern District of New York
- US District Court, Southern District of New York
- US Court of Appeals, Federal Circuit
- US Patent & Trademark Office
- J.D., Fordham University School of Law, 2002, cum laude; Order of the Coif; The Senior Prize
- Ph.D., Harvard University, 1996, Immunology
- B.A., Smith College, 1990, magna cum laude; with Highest Honors in Biochemistry
Speaking Engagements
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"Pitfalls for US Applicants When Filing Patent Applications at the EPO," 2019 BIO International Convention, Philadelphia, PA, June 2019
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"Patent Portfolio Management in Light of Life Techs. v. Promega and Extraterritorial Reach of US Patents," 8th Annual Summit on Biosimilars, American Conference Institute, June 2017
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"Immunotherapy: a Patent Perspective," World Gene Congress, Shanghai, China, November 2016
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"Biosimilars: A Patent Perspective," Licensing Executives Society of New Jersey, October 2015
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"Patent Prosecution from a US Perspective," the European Patent Office, Munich, Germany, March 2012
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"Mayo v. Prometheus and Its Implications in the Biotech Industry," New York Intellectual Property Law Association Forum, 2012
News & Publications
Press Releases
Steptoe Receives Nine Individual, Four Practice Mentions in IAM Patent 1000
June 6, 2024
Client Alerts
May 26, 2023
Press Releases
Steptoe Receives 12 Individual, Four Practice Mentions in IAM Patent 1000
June 30, 2022
Press Releases
Steptoe Receives Four Practice, 13 Individual Mentions in IAM Patent 1000
June 22, 2020
Press Releases
Steptoe Receives Four Practice, 12 Individual Mentions in IAM Patent 1000
July 19, 2019
Publications
Subject Matter Eligibility for Biotechnology Patents in the United States
September 29, 2017
Press Releases
Steptoe Further Expands IP, Biologics Practice with Ying Li in New York
February 10, 2016
Events
Noteworthy
- IAM Patent 1000, Prosecution: New York (2019-2024)
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LMG Life Sciences Awards shortlist, "Patent Strategy Attorney of the Year – New York" (2023-2024)