Rong (Sarah) Zhang

540 Broadway
Albany, NY 12207
Tel: 518-449-0044
Fax: 518-449-0047

Bar Admissions

  • U.S. Patent and Trademark Office


  • Worcester Polytechnic Institute –  M.S. Organic Chemistry
  • Nanjing University, Nanjing, China – B.S. Chemistry

Rong (Sarah) Zhang

Patent Agent

Sarah Zhang is a patent agent registered to practice before the US Patent and Trademark Office. Her practice focuses on preparing and prosecuting US and international patent applications.

Sarah primarily assists clients in the pharmaceutical, material, biotechnology, and medical device industries. She also has experience drafting and prosecuting patent applications relating to sensors, power generation, and semiconductor processing.

Prior to joining Hoffman Warnick in July 2019, Sarah worked in a Global Patent Organization of a Fortune 500 company, managing worldwide patent prosecution for the internal business clients. She also provided portfolio analysis and IP due diligence support in New Product Introduction (NPI), out-licensing, and new company creation activities. Sarah has prosecuted over 50 US patent applications to grant.

As an inventor herself with over 30 issued patents, Sarah experienced firsthand the impact of patents. She is the inventor of a molecule out-licensed to a startup company set up by a 2013 Nobel Prize winner for clinical development at a top US cancer hospital.

Sarah is fluent in Mandarin. In addition to her work, she enjoys traveling with her kids and volunteering in AWANA kids’ club at a local church.

Representative Experience

Conducted customized portfolio analysis and portfolio review to empower successful closings of several out-licensing deals and development of new out-licensing packages

Led early-stage IP pipeline development for a $10MM+ business program with multi-party collaboration



Zhang, R.; Siclovan, T.; Tan Hehir, C.; Cotero, V.; Johnson, B., Agents and methods for the imaging of myelin basic protein, US 8658129 B2

Zhang, R.; Syud, F.; Webster, J., Two helix binders, US 7772363 B2

Ren, G.; Zhang, R.; Liu, Z.; Webster, M.; Miao, Z.; Gambhir, S.; Syud, F.; Cheng, Z., A 2-helix small protein labeled with 68Ga for PET imaging of HER2 expression, J. Nucl. Med. 2009, 50, 1492-1499



M.S. Organic Chemistry, Worcester Polytechnic Institute, Worcester, MA

B.S. Chemistry, Nanjing University, Nanjing, China