Saiful Khan

Saiful Khan

Partner - Patent Attorney

An internationally respected attorney with over 20 years’ IP experience encompassing both in-house and private practice, Saiful brings a wealth of knowledge to his work.

He practises in a number of technical specialities within the designs and engineering and electronics and computing groups and works for clients ranging from individual inventors to SMEs and multinational corporations. 

With extensive experience of prosecuting patent applications before numerous patent offices, he has represented his clients at hearings before the EPO in Berlin, The Hague and Munich. Saiful has also taken part in interviews with USPTO examiners and his work has been used in successful global patent licensing and litigation discussions. In addition, he has conducted opinion work and has represented the interests of leading global patent holders in face-to-face patent assertion discussions. 
Saiful also has considerable international experience, frequently representing both the firm and the UK and European patent attorney profession as part of his work on the CIPA International Liaison Committee. In addition to being a tutor for the CIPA oral proceedings course for qualified attorneys, Saiful devises and delivers workshops on various aspects of UK and EP patent law throughout the world and has been appointed to the editorial board of leading industry publication, Patent Lawyer. 
He joined Potter Clarkson in 2004 following a period in-house at Nokia Corporation and at a large private practice firm in London. He became a partner in 2007.



Electronics and computing, including artificial intelligence and fintech, mapping/navigation/autonomous driving, telecommunications, user interfaces, displays, search engines, video coding, image processing, virtual reality, engineering including mechanical/materials subject-matter and nanotechnology


Saiful is a Chartered Engineer who holds a doctorate from the University of Cambridge (materials science), and an MEng degree from Imperial College, London (mechanical engineering).


MEng (Hons), ACGI PhD (Cantab), CEng, UK and European Patent Attorney


Member of the Institution of Mechanical Engineers

Awards & Recognition

IAM Patent 1000 - Prosecution 2018, 2019, 2020, 2021; IAM Strategy 300 - Top IP Strategist 2019, 2020, 2021; WWL: IP - Patent Agents & Attorneys 2019, 2020, 2021


English, Bengali



The “responsive, sharp and honest” Khan’s stint in-house at Nokia proves invaluable to his broad multinational electronics and computing practice.” IAM Patent 1000: The World’s Leading Patent Professionals, 2021

Exceptionally insightful patent attorney Saiful Khan is technically adept and commercially focused, and can be relied upon to unpack complex patent problems and solve them creatively and practically. He stays on top of the latest patent developments in the UK and worldwide."

IAM Strategy 300: The World’s Leading IP Strategists, 2020
A delight to work with because he is very responsive, sharp, warm and honest.” IAM Patent 1000: The World’s Leading Patent Professionals, 2020