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Dr Varuni Paranavitane


A.A. Thornton & Co

Dr Varuni Paranavitane is a solicitor whose main practice area is IP litigation. Whilst she has extensive litigation experience for clients in the pharmaceutical and biotechnology sectors which draws on her previous technical experience as a research Biochemist, she also advises clients in other sectors including fashion, marketing and advertising, finance, food and sports.


  • Copyright
  • Design Rights
  • IP Portfolio Management
  • IP Litigation

Core Responsibilities

  • Advising clients on exploiting IP rights
  • Advising on litigation strategy and potential disputes
  • Preparing and filing court documents in England and Wales and at the EUIPO
  • Advising on freedom to operate
  • Advising on infringement and validity of IP rights
  • Advising on trade mark filing strategy


  • Prior joining A.A. Thornton, Varuni was an Associate solicitor at Osborne Clarke LLP, and before that, an Associate solicitor at Bristows. Prior to training as a solicitor Varuni carried out Biochemistry research at Cambridge University.
  • Varuni joined A.A. Thornton & Co. in 2017 as an Associate in our IP Litigation team.


  • Cosmetics & Personal Care
  • Medical Devices
  • Pharmaceuticals
  • Retail


  • BSc, Imperial College
  • PhD, King’s College, Cambridge
  • LLB, College of Law
  • PGDip in Intellectual Property Law and Practice, Oxford University
  • Qualified as a Solicitor in England and Wales in September 2011.

Professional Memberships

  • Intellectual Property Advisory Comittee of the Bio Industry Association

External Publications

Related News

Legal update: Eli Lilly v Genentech – Warner-Lambert

Eli Lilly v Genentech – Warner-Lambert Supreme Court Plausibility Test Applied Following the highly anticipated Supreme Court decision in Warner-Lambert v Generics in relation to plausibility at the end of last year, the UK High Court has recently applied the new plausibility test for the first time in Eli Lilly v Genentech Inc.1 Eli Lilly… Read more »

Crocs loses its bite…

In March 2018 the General Court held that the Registered Community Design No 257001-0001 owned by Crocs, Inc was invalid as it was lacking in novelty on the basis of prior disclosures of its design. A proprietor of a Registered Community Design (RCD) right has a 25 year monopoly on its design which gives them… Read more »

English courts permit the grant of ‘Arrow’ declarations in the interest of providing commercial certainty

For the first time, English Courts have granted relief in the form of a negative declaration known as an “Arrow” declaration which allows the claimant who sought the declaration to launch their product on the market with confidence that the patentee will not threaten the claimant for patent infringement in the UK. Following a judgment… Read more »

Related Events

  • Standard Chartered Great City Race 2017

    Team 2017. Back: Anna Sheridan, Adrian Bennett, Chris Burnett, Geoff Hussey, Stuart Greenwood, Alex Bone Middle:Hannah Bettles, Varuni Paranavitane, Emma Lau Front: Vanessa King On Monday 24 July, A. A. Thornton & Co. took part in the Standard Chartered Great City Race, raising money for the charity “Seeing is believing”, a global initiative to help… Read more »

Related Publications

  • Anti-counterfeiting 2018 – A Global Guide

    Anti-counterfeiting 2018 – A Global Guide Trade Mark Associate Louise Foster and Litigation Associate Dr. Varuni Paranavitane recently wrote the UK section of the ‘Anti-Counterfeiting 2018 – A Global Guide’. You can read the UK section below, or find the full guide and other articles published by the World Trade Mark Review here:  This… Read more »

  • CJEU confirms the territorial scope of a pan-European injunction in relation to Registered Community Designs

    Nintendo v Big Ben Interactive GmbH, Big Ben Interactive S.A[1] The CJEU has recently held that a Community Designs Court may grant a pan-European injunction where there are multiple connected defendants based across the EU. Facts Nintendo produces video games, video game consoles including the Wii video games and accessories.  It is the registered proprietor… Read more »

  • The return of the doctrine equivalents – a WIPR article by Geoff Hussey & Varuni Paranavitane

    World IP Review magazine (WIPR) has recently worked with Partner and Litigation Solicitor Geoff Hussey and Associate and Litigation Solicitor Varuni Paranavitane on an article published in its October / November issue ‘The Return of the Doctrine Equivalents’. The article, which focuses on the Supreme Court’s decision to change the test for patent infringement, and… Read more »