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William Greener


Ithaca, NY

(607) 330-4012

(607) 330-4001 fax

Bar/Court Admissions

  • New York
  • U.S. District Court for the Western District of New York


  • State University of New York at Buffalo School of Law (J.D., cum laude, 1992)
  • University of Rochester (M.S. in Optical Engineering, 1976)
  • Canisius College (B.S., distinction in physics, 1974)

William Greener

William is a registered patent attorney. His practice covers the full range of intellectual property law including patent, trademark, copyright, agreements and licensing. William works in advanced technologies such as nanotechnology, microfluidics, optics, lasers, medical devices, ophthalmic surgery and apparatus, imaging systems, semiconductor devices, biodynamics, photonics, telecommunications, software, business architecture and e-commerce. He works with clients to develop a patent strategy aligned to business goals and objectives and particularly working with entrepreneurial start-ups and university spin-outs to secure foundation IP and freedom to operate opinions. In this regard, William helps to identify people and resources for launching and funding new companies.

William is a member and serves on the management committee of the Seed Capital Fund of Central New York (

William was law clerk to Chief Judge Michael A. Telesca of the Western District of New York.