Victor Green

Over 30 years of searching excellence

Tel: +44(0)20 7269 9200


Our Search Team

All our analysts are educated to at least graduate level (over half to postgraduate level) in a science or engineering discipline, and have been trained to have a thorough understanding of searching techniques and patent language. Many of our searchers are capable in non-English languages including French, German, Greek, Hungarian, Italian and Spanish. Their searching expertise covers every major subject area and technology in the following sectors: Chemistry, Electronics, Engineering and Life Sciences.

Our Analysts

Victor Green

Victor Green has worked in the field of patent and technical information for over 35 years. The range of technical information work he has carried out and supervised over the years has covered every branch of technology. His experience in online searching is extensive. He has degrees in Applied Mathematics & Physics (University of Cape Town) and Philosophy & Psychology (Birkbeck College, London). Memberships include the Chartered Institute of Library and Information Professionals and British Patent Information Professionals.

David Clarke

David Clarke joined the company in 1989 after reading Physics at Queen Mary College, London, and is a very skilled, wide-ranging and experienced information analyst. In addition to his role as a director in management and supervision, he has special responsibility for the computer systems and telecommunications which play a vital part in current searching practice.

Sonia D'Souza

Sonia D'Souza joined Victor Green & Company in 1996. She has a BSc Honours degree in Biochemistry from the Imperial College of Science, Technology and Medicine, and an MSc in Immunology from University College, London. She plays a significant role in our work in biotechnology and has extensive experience of searching pharmaceuticals.

Milan Bhattacharyya

Milan Bhattacharyya gained a B.Sc. in Chemistry from Imperial College London in 1996. He joined Victor Green & Company in 1998, and is now Principal Patent Analyst with regard to chemical and pharmaceutical searches. This role includes supervision of chemical structure searching. He has also carried out searches in many other technical areas, including medical devices.

Davinia Collyer

Davinia Collyer joined us in October 2004 having obtained a BSc Honours in Biomedical Materials Science at the University of Manchester and whilst completing a PhD at Cranfield University on sonochemically formed microarrays for a disposable, electrochemical chlorine sensor. As a Principal Patent Analyst she leads our biochemical and biosequence search capability and her experience is particularly relevant to the increasing flow of work on biomedical devices.

Alessio Brizzi

Alessio Brizzi joined Victor Green & Company in October 2014 whilst writing up his studies as a PhD Student with the Antennas and Electromagnetics Group at Queen Mary University of London on the characterization and modelling of millimetre wave propagation for wireless body area networks. He has Bachelor's and Master's degrees in Telecommunication Engineering from the University of Pisa, Italy. He is a qualified teacher in Italy and the UK and has worked as a reviewer for Transactions on Antennas and Propagation, Antennas and Propagation Letters and Antennas and Propagation Magazine. He is now the Principal Patent Analyst for Electronics.

Leila Shariff

Leila Shariff joined the search team at Victor Green & Company in July 2017 after completing a Ph.D in Chemistry at University College London on reverse native chemical ligation as a new entry to cyclic peptide therapeutics. Prior to that she obtained an MSci in Medicinal Chemistry at UCL, which included a dissertation on metal-catalysed additions of boronic acids to alkenes.

Kaj Mahendiran

Kaj Mahendiran joined the company in 2018. He obtained his Biomedical Science BSc at King's College, and his MSc in Bioinformatics and Systems Biology at Birkbeck College.

Subject expertise


  • Alloys
  • Chemical engineering
  • Chemistry
  • Cosmetics and detergents
  • Environmental technology
  • Fuels
  • Materials science
  • Metallurgy
  • Pharmaceuticals and pesticides
  • Polymers
  • Printing and inks


  • Automation and robotics
  • Business processes
  • Computer software and engineering
  • Consumer & industrial electronics
  • Control systems
  • Electrical and electronic engineering
  • Home automation
  • Information technology
  • Internet of things
  • Internet-enabled technologies
  • Lighting systems
  • Measurement technologies
  • Medical technologies
  • Mobile telephony
  • Optics and photonics
  • Payment systems
  • Security for computers and communications
  • Semiconductors
  • Telecommunications


  • Aeronautics
  • Air conditioning and refrigeration
  • Animal husbandry
  • Automation and robotics
  • Building and construction
  • Conveyors and sorting equipment
  • Disability aids
  • Environmental technology
  • Exercise equipment
  • Food and drink
  • Machine tools
  • Magnet technology
  • Measurement technologies
  • Mechanical engineering
  • Medical devices
  • Medical technologies
  • Oilfield and pipeline technology
  • Packaging and containers
  • Paper and textiles
  • Power generation
  • Printing
  • Process equipment & engineering
  • Renewable energy systems
  • Vehicle technology

Life Sciences

  • Antibodies and vaccines
  • Biofuels
  • Biotechnology
  • Diagnostics
  • Life sciences
  • Medical devices
  • Medicine, surgery and prosthetics
  • Pharmaceuticals and pesticides