About
Ashley is a litigator in our Intellectual Property team, based in our London office.
Ashley specialises in life sciences patent disputes, including national proceedings and coordinating enforcement strategies across multiple European jurisdictions. Ashley also advises on trade mark and branding, confidential information and competiton and regulatory matters.
Prior to joining Freshfields, Ashley worked in Sydney and London on multi-jurisdictional life sciences patent disputes and advised on patent, trade mark and copyright matters for clients in the pharmaceutical, medical device, consumer goods, technology, energy and pro bono community sectors.
Additional Information
- Pharmaceuticals: advising members of a global pharmaceutical group in relation to patent and SPC matters
- Pharmaceuticals: advising members of a global pharmaceutical group in relation to potential national and UPC proceedings
- Consumer services: advising a well-known British restaurant group in relation to trade mark infringement

Ashley Carlstein
Senior Associate
T +44 (20) 7716 4350
london Office
100 Bishopsgate
EC2P 2SR london