Dr Craig Turner


Dr Craig Turner is a Partner and UK Chartered and European Patent Attorney in the Chemistry, Biotechnology and Pharmaceutical patents department. Craig’s key client base are large corporations in the oil and gas, pharmaceuticals and biotechnology industry sectors.

“Craig is ‘very persuasive in getting examiners to allow patents in difficult cases'”

Legal 500 Client Testimonial


“Getting the practice noticed is Craig Turner, who has been working in the IP field for 25 years and has a stellar track record before the EPO – the life sciences are his focus.”

IAM Patent 1000 – The World’s Leading Patent Professionals

GTDT Accreditation logo

“Craig Turner at AA Thornton has been an invaluable asset to our patent strategy. Their in-depth understanding of our business and industry has allowed for tailored advice that aligns perfectly with our commercial objectives.”

Legal 500 2023

"Patent attorney par excellence Craig Turner of AA Thornton is an inspired choice for all manner of chemistry, biotech and pharmaceutical oral proceedings."

IAM Patent 1000

"At the risk of repeating myself, I would like to say how impressed I was with the way you [Patent Attorney Craig Turner] handled the Opposition case - both the meticulous preparation and your outstanding advocacy skills. I hope that we will have the chance to work together on similar cases in the future (but preferably for the Opposing party). Needless to say, our client was extremely pleased with the outcome."

Dr. Avraham Rutman, AJ Rutman - Patent Attorneys

“His professionalism, communication skills, legal and technological analytical skills, and advocacy skills in European patent litigation is impressive.”

Legal 500 2023


Practice Areas
  • Patents
  • IP Due Diligence & Freedom to Operate
  • IP Strategy & Audits
  • IP Transactions, Ownership & Licensing
Industries of Focus
  • Agriculture
  • Medical Devices
  • Oil, Gas & Petrochemicals
  • Pharmaceuticals
Core Responsibilities
  • Craig’s patent practice covers biotechnology, chemistry and pharmaceuticals
  • He handles contentious work, particularly in the pharmaceutical and oilfield services sectors, and is experienced in representing clients at oral proceedings
  • He is involved in prosecution and infringement in the chemistry, pharmaceuticals and chemical engineering fields
Professional Memberships
  • Fellow of the Chartered Institute of Patent Attorneys (CIPA)
  • Member of the International Federation of Intellectual Property Attorneys (FICPI)
  • He joined AA Thornton after graduating in 1998
  • He became a partner in 2005
  • BA Natural Sciences, Cambridge University
  • PhD Neurophysiology, Cambridge University
  • Qualified as a European patent attorney in 2001
  • Qualified as a UK chartered patent attorney in 2003
  • UK Intellectual Property Litigation Certificate
  • Representative before Unified Patent Court
Awards / Accolades
  • Recommended in Legal 500 UK
  • Recommended in Who’s Who in Legal: Patents 2023
  • Recommended as an expert in IAM Patent 1000 2022
  • Ranked in the Managing Intellectual Property IP Stars 2021/22
  • Recognised in IAM Patent 1000 – The World’s Leading Patent Professionals 2023


  • Spanish
  • German (Basic)