Jonathan Day

Partner at Carpmaels & Ransford LLP

Jonathan Day is dual-qualified as a solicitor and trademark attorney. His background in brand protection enforcement and management, coupled with IP and commercial advisory work, has led to his longstanding relationship with one of the world’s largest entertainment companies and other global companies including Allergan, Biogen Idec and Western Digital.

Mr Day frequently advises on complex trademark opposition cases and EU-wide brand clearance in a range of fields, from pharmaceuticals to anti-counterfeiting and enforcement strategies, and from brand co-existence to comparative advertising and the IP aspects of major acquisitions and disposals. Recent work includes dispute management and business ventures, providing “quick, thorough and practical” advice (Managing Intellectual Property), for one of the world’s leading entertainment companies. Mr Day has also been involved in the strategic management of a global pharmaceutical company’s European brand portfolio, encompassing eye care, obesity, neuroscience and aesthetic medicines.


Firm details

Carpmaels & Ransford LLP
One Southampton Row
London WC1B 5HA
United Kingdom

Contact details

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