Leonita Paulraj

Associate Patent Attorney

A.A. Thornton & Co

Leonita Paulraj is a UK Chartered and European Patent Attorney in the Chemistry, Biotechnology and Pharmaceuticals patent department. Leonita has specialist expertise in pharmaceuticals, agro-chemicals and life sciences.

Practice areas

Patents: Chemistry, Biotechnology and Pharmaceuticals

Core responsibilities

  • Drafting patent applications
  • Filing and prosecuting patent applications in Europe and worldwide
  • Providing advice on patentability to operate
  • Oppositions and Appeals at the EPO
  • Providing patent development and strategic advice
  • Also a registered Indian Patent and Design Attorney with ten years of experience in providing patent development and strategic advice; drafting and prosecuting patent applications; and filing and defending oppositions at the Indian Patent Office


  • She began her patent career at an Intellectual Property Rights firm in Chennai, India in 2000
  • She joined A.A. Thornton &  Co. in 2010

Industry sectors

  • Pharmaceutical
  • Life Sciences
  • Biotechnology
  • Agriculture
  • Bioethanol processing
  • Animal feed and Animal health products
  • Oil & gas
  • General Chemistry


  • BSc Biology
  • MSc Plant Science
  • Systems Management, National Institute of Information Technology, Chennai
  • Qualified as a UK chartered patent attorney in 2013
  • Qualified as a European patent attorney in 2013

Professional memberships

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


  • Tamil

External Publications

Related News

Related Events

  • CPhI’s 7th Annual Pharma IPR Conference in Mumbai, India

    Patent Attorneys Geoff Hussey, Craig Turner, Alex Bone and Leonita Paulraj are attending CPhI’s 7th Annual Pharma IPR Conference in Mumbai, India from 7th-9th March. Craig and Geoff will also be speaking about the implications of Brexit on Indian pharma companies on the 8th March. CPhI’s 7th Annual Pharma IPR Conference is a leading platform… Read more »

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