Partner, Patent Attorney


Emma works across all stages of the IP lifecycle from drafting and prosecuting patents to managing offensive and defensive opposition proceedings at the EPO. She is particularly experienced in the fields of computer implemented inventions (CIIs) and optics and photonics. She regularly works with start-up companies to build and manage their patent portfolios and also advises clients on freedom to operate and infringement issues.

Areas of Expertise

  • photonics
  • optical devices and laser design
  • medical devices including retinal implants, stents, catheters, heart valve replacements, laryngoscopes and cryogenic storage
  • artificial intelligence
  • cryptography and Blockchain
  • networked systems and cellular communications
  • semiconductor devices
  • computer hardware including server design and audio components
  • software
  • digital healthcare and bioinformatics
  • internet of things and wearable technology


Emma works with universities, start-ups and multinational corporations.


Emma has a MSci degree and PhD from the University of Birmingham. Her doctorate research included a period spent working as a research assistant in the Quantum Optics and Laser Science group at Imperial College London, as part of the UK Attosecond project. She joined Mewburn Ellis LLP in 2009, qualifying as a Chartered Patent Attorney and European Patent Attorney 2013. She spent three months on secondment to a US law firm in Silicon Valley in 2014 and joined the partnership at Mewburn Ellis LLP in 2017.


Emma has been listed as a "key lawyer" in the 2022-2024 editions of The Legal 500. She is also a "recommended individual" in IAM Patent 1000 2022.

"Emma Graham always works in every way for our interest and seeks support for us, whenever needed, from others in her firm." - Legal 500, 2022

Described as an "optics and photonics maven" and "a valuable resource for start-ups" - IAM Patent 1000, 2021

“Emma Graham is always in tune with our needs and provides well-considered and well-explained advice. Her work product is always of a high quality.” - Legal 500, 2020