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Elizabeth Crooks

Kilburn & Strode

2026_IP Stars IP Star.png
Position: Partner, European Patent Attorney
Rating:
  • Patent star
Practice Areas:
Patent
Patent prosecution
Jurisdictions:
Industry Sectors:
Chemistry
Languages:
English
Education/Alumni
  • University of Southampton
Biography

Described by her clients as “a force of nature in opposition proceedings before the EPO” (IAM Patent 1000), Elizabeth has over 20 years of experience in defending her clients most important patents in contentious proceedings. As one of the UKs most experienced opposition and appeals practitioners, with an enviable track record, Elizabeth combines her legal expertise with a deep understanding of her clients businesses and priorities. Her experience permeates the chemistry team, who in turn focus on delivering IP strategies that are robust, pragmatic and can withstand contentious disputes to deliver clients’ strategic & commercial objectives.

Elizabeth has a PhD in Chemistry and her clients appreciate her “vast technical expertise in the chemical field” (IAM Patent 1000). She specialises in the area of high value industrial chemicals and materials with particular experience of protecting refrigerants, propellants, blowing agents for foam, solvents, surfactants, films and coatings, additives for consumer products, security markers, polymers and large scale chemical processes. 

Elizabeth is recognised by her clients as having “practical and pragmatic approaches to addressing patent issues with an eye towards the underlying business needs of her clients” (Legal 500). In particular, she is able to apply her knowledge of contentious matters to help her clients to build strong defensible patent portfolios. She collaborates closely with clients, emphasising building an understanding of their business today and in the future, and providing strategic advice to allow them to maximise the value their portfolios to meet those business objectives.

Year joined the firm: 1998

Address:
Lacon House, 84 Theobalds Road London
London, WC1X 8NL United Kingdom
Tel:+442039474200 Email:Contact this practitioner Website:https://www.kilburnstrode.com/people/elizabeth-crooks