Daniel SizerMA, MEng

Senior Associate

Chartered (UK) and European Patent Attorney, European Design Attorney

Offices: London (UK)

Languages spoken: English

Email: dsizer@marks-clerk.com

Telephone (Office): +44 20 7420 0000

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Daniel Sizer

Daniel is a Chartered (UK) and European Patent Attorney and European Design Attorney specialising in mechanical engineering, with a particular focus on energy technologies. His client base includes domestic and international clients, from individual inventors to multi-national corporations.
Daniel has experience of advising on a range of aspects of IP, including prosecution, portfolio management, due diligence and managing third party IP risks. Daniel regularly prosecutes patent applications before the UK Intellectual Property Office and the European Patent Office and represents his clients before the Opposition Division and Appeal Boards of the European Patent Office.  In addition to patents, Daniel advises clients with regard to registered and unregistered design protection.
Daniel joined Marks & Clerk in 2011 after achieving a first class Mechanical Engineering degree and Masters at the University of Cambridge. He qualified as a Patent Attorney in 2015.

Daniel Sizer works in the following sectors

Mechanical Engineering
Medical devices
Oil and Gas


POSTED 25 April 2018

How do you protect the IP of 3D printed drugs and medical devices?

POSTED 25 April 2018

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