Ash Earl

Ash is a European and UK Patent Attorney and advises clients in the pharmaceutical and chemistry sectors. He specialises in small molecule pharmaceuticals and has expertise working with new chemical entities, medical uses, polymorphs, dosage regimen, salt forms and deuterated compounds.

Ash has extensive experience at drafting patent specifications, global patent prosecution, and defending and opposing European patents.  He has helped clients to secure patent protection for their commercial products in key territories, including the US, Europe and Asia-Pacific.  Ash has successfully represented clients in high-stakes opposition and appeal proceedings at the European Patent Office, involving marketed drugs and other products.  He has also performed due diligence exercises for patent portfolios, provided freedom to operate opinions and helped his clients to evaluate partnering opportunities.

Outside of work, Ash enjoys outdoor activities including cycling, running and hiking.  In 2023, Ash raised money for Myeloma UK by cycling more than 300 miles over a few days with a team of more than 30 riders.  He is also a bit of a foodie and has put that to good use by organising several curry nights and team Christmas lunches.

Ash has particular expertise in the fields of:

• Preclinical, clinical and approved small molecule pharmaceuticals
• New chemical entities
• Drug repurposing
• Polymorphs
• Salt forms
• New medical uses and dosage regimen
• Prodrugs
• Deuterated drugs
• Chemical compositions, including nutritional, fabric care and dishwashing compositions
• Packaging materials
• Electroactive materials for lithium-ion batteries

European Patent Attorney
UK Patent Attorney
UPC Representative

Fellow of the Chartered Institute of Patent Attorneys (CIPA)
Member of the European Patent Institute (EPI)

Ash joined GJE in 2015 and qualified as a European Patent Attorney in 2019 and a UK Patent Attorney in 2020.

Ash studied at the University of Bristol and was awarded a First Class Honours Master’s degree in Chemistry.  He specialised in organic and physical chemistry in his Master’s year.