Diane Tweedlie

European Patent Attorney


Helping clients to reap maximum benefit from their innovation is just as exciting as the innovation itself



Mechanical systems, lubrication systems, automotive components, bearings, engineering materials, sensor integration


Diane is a tutor for Paper D of the EQE and the legal part of the EQE Pre-Exam. She also teaches in DeltaPatents’ training courses for IP Administrators.


Diane was self-employed for several years as a provider of technical documentation services. Her IP career began in 2006 with SKF at the global R&D facility in the Netherlands, where a range of bearing technologies are developed including steels, lubricants and integrated condition monitoring equipment. Diane qualified as a European patent attorney in 2010 and started working for DeltaPatents in 2017. She now combines patent attorney work (drafting, prosecution, consultancy) with tutoring.


MSc in Mechanical Engineering, University of Glasgow and TU Braunschweig