Dr Fangli Chen > Proskauer Rose LLP > Boston, United States > Lawyer Profile

Proskauer Rose LLP
BOSTON, MA 02110-2600
United States
Fangli Chen photo

Work Department



Dr. Fangli Chen is a partner in Proskauer’s Litigation Department and vice-chair of the Life Sciences Patent Practice. She represents all types of companies in the biotech and pharmaceutical industries, and has deep scientific expertise and a strong business sense. Fangli effectively identifies and transforms technological developments into valuable intellectual property assets for her clients and specializes in the strategic development of complex IP portfolios for companies that align with their business goals.

Fangli’s practice also focuses on post-grant review before the USPTO, oppositions, pre-litigation and litigation strategy, due diligence investigations, freedom-to-operate, non-infringement and invalidity analysis, licensing and other IP matters in connection with commercial transactions. She handles a variety of technology areas including biochemistry, molecular and cell biology, immunotherapy, enzyme replacement therapy, nucleic acid based technologies including messenger RNA therapy, gene therapy, gene editing, antisense and oligonucleotides based therapies, vaccines, bioinformatics, and small molecule compound drugs.

Fangli also has a wealth of experience in the following areas:

  • Post-grant challenges: representing clients in inter partes review interference and various foreign opposition proceedings.
  • Technology transactions & licensing: advising clients on matters relating to technology or material transfer, licensing and research collaborations.
  • Investment or acquisition counsel: assisting investors in assessing the technology and intellectual property assets and risks for potential target investments and counseling companies on intellectual property matters in connection with public offering or acquisition.

Lawyer Rankings

United States > Industry focus > Healthcare: life sciences

Proskauer Rose LLP fields a team of IP experts with distinct expertise in the life sciences sector. Its litigators defend its clients’ patents and trade secrets, with particular expertise acting on behalf of biologics and biosimilars. Reviews of post-grant products are another unique speciality of the firm. Los Angeles-based Siegmund Gutman is particularly noteworthy, combining deep experience in Hatch Waxman litigation with industry ties in the biotech sector. Vice-Chair Fangli Chen is known for her patent prosecutions and strategic advice and is based in Boston. Also key are New York-based transactional attorney Robert Cantone and managing partner Daryn Grossman.