Sarah Hassan

Sarah Hassan

Associate | Litigation
202.240.1718 LinkedIn Profile


  • BS, Electrical Engineering, Virginia Polytechnic Institute and State University
  • JD, The George Washington Law School

Key Technologies

  • Digital Communications
  • Medical Devices
  • Memory Systems
  • Semiconductors
  • Video Streaming Technology

Practice Groups


  • Arabic

Admitted to Practice

  • District of Columbia
  • US Patent and Trademark Office


  • Washington, DC


Sarah Hassan's practice focuses on high-tech patent litigation and post-grant proceedings. She leverages her electrical engineering background to litigate cases before US District Courts, the International Trade Commission (ITC), and the Patent Trial Appeal Board (PTAB). 

Sarah represents clients at all stages of litigation on intellectual property issues spanning a range of technologies, such as digital communications, medical devices, video surveillance devices, memory systems, semiconductors, and video streaming technology. She also has experience preparing freedom-to-operate analysis and prosecuting patent applications for various companies and individual inventors. 

Prior to joining Wolf Greenfield, Sarah was an associate at an international law firm with a focus on the energy, technology, and life sciences sectors. Before beginning her legal career, Sarah served as a patent examiner at the USPTO, where she examined patent applications in digital communications technology to assess compliance with USPTO policies and federal statutes.

In addition to her litigation practice, Sarah maintains an active pro bono practice, assisting clients and families seeking US immigration counsel.


International Trade Commission Experience

  • Represented DISH Network as Complainant in patent infringement litigation concerning video streaming technology. Certain Fitness Devices, Streaming Components Thereof, and Systems Containing Same (ITC Investigation, 337-TA-1265).

PTAB Experience

  • Represented Hewlett Packard in filing inter partes review petition concerning solid-state storage devices.
  • Represented DraftKings Inc. in filing several inter partes review petitions concerning online sport gambling system.



  • Water sports
  • Classical pianist