Usman Khan, Ph.D., concentrates his practice in post-grant proceedings and patent prosecution. He has prosecuted more than 1,000 patent applications on behalf of foreign and domestic startups, entrepreneurs, educational institutions, and Fortune 500 companies. Usman enjoys working with clients to develop robust patent portfolios in line with their business and organizational objectives. In 2022, Usman was selected by the firm to participate in the Leadership Council on Legal Diversity Pathfinders program.

Usman has extensive experience in a broad range of technologies, including semiconductors; software; signal processing / wireless communications and networks; OLEDs, LEDs, and LCDs; mobile devices and displays; 3D displays; control systems; analog and mixed signal circuits; nanotechnology; cybersecurity; financial and business services; internet search and advertising; internet of things; and medical devices.

In addition to his post-grant and prosecution work, Usman is involved in pro bono efforts and has represented refugee and asylum applicants. Usman also chairs Fish & Richardson's South Asian and Middle Eastern affinity group. Usman is an active member of the Patent Trial and Appeal Board Bar Association and its conference planning committee and has helped organize several of the Association’s annual meetings and leadership summits.

Professional associations

  • PTAB Bar Association

Pro bono activities

Assisted with asylum and refugee immigration applications