Allie Elend

Partner, Patent Attorney


Allie is a UK and European patent attorney and heads up the Chemical and Life Sciences team in our Cambridge office.

Allie specialises in chemical subject matter, in particular pharmaceuticals, small molecule medicinal chemistry, active pharmaceutical ingredients, synthetic chemistry including chiral synthetic chemistry, formulation chemistry, polymorphic forms, first and further medical uses, peptides and proteins, and also drug delivery, antisense technology, transdermal patches, medical devices and agrochemicals.  She also has experience in polymer chemistry, films and fibres, materials, petrochemicals, and process chemistry.

Allie has extensive experience in drafting and prosecuting British, European and international patent applications, as well as in patent prosecution in other countries using local attorneys.  She manages large international patent portfolios and works with her clients to develop a cohesive IP strategy.  Allie enjoys representing her clients at opposition and appeal hearings before the European Patent Office, where she has an enviable track record of success.  She also has considerable expertise in infringement and validity issues and regularly clears her clients’ products prior to launch.

Allie has a particular interest in the pharmaceutical industry.  Her clients include international and medium-sized pharmaceutical and chemical companies, start-ups, academic institutions and universities, as well as private individuals.

Allie has also recently been recognised in the 2019 IAM Strategy 300: The World’s Leading IP Strategists rankings.


Allie has both a first class honours degree in Chemistry and a DPhil in Organic Chemistry from the University of Oxford.  For her doctoral research she developed a new methodology for the enantiospecific synthesis of alpha,alpha-disubstituted alpha-amino acids via 2-ferrocenyl-oxazolidin-5-ones.  Allie also has a Certificate in Intellectual Property Law from Queen Mary, University of London.

Professional Memberships

  • Fellow of the Chartered Institute of Patent Attorneys
  • Member of the European Patent Institute
  • Member of the Royal Society of Chemistry

Awards and Recognition

  • Legal 500 UK (PATMA: Patent Attorneys) - 2020
  • IAM Strategy 300: The World’s Leading IP Strategists rankings, 2019