Thomson Reuters names eight Keystone Law partners in its Stand-out Lawyers Guide 2026
Andrea James, Andrew Darwin & Anna McKibbin
Patricia is a highly experienced brand protection lawyer, specialising in the strategic growth, management, and exploitation of trade mark and design portfolios. She works with clients across a variety of sectors, including technology & telecommunications, retail, sports, food & beverage, and education.
Patricia’s experience includes handling clearance work, disputes, and contentious proceedings. She has represented a range of clients at hearings before the UKIPO and the Appointed Person.
In her practice, Patricia not only focuses on traditional branding but also assists clients in safeguarding the design of innovative products and packaging, as well as other key brand elements such as colours, sounds, and moving images.
Her expertise also encompasses certification marks, geographical indications, domain name disputes, customs recordals & seizures, company name disputes, and copyright.
Patricia is co-author of the book The European Union Trade Mark: A Practical Guide, and Co-editor of the CITMA & CIPA Community Designs Handbook
Patricia works with clients seeking to launch new brands and products. She assesses the risks posed by pre-existing rights and advises on possible ways of overcoming obstacles.
Experience
Patricia works with clients to devise trade mark & design protection strategies. She helps them proactively manage their portfolios to ensure protection matches commercial needs on an ongoing basis.
Experience
Patricia frequently represents clients in disputes at the UKIPO, as well as coordinating global registry-level disputes and providing advice on international strategy. She also counsels on routes to amicable resolution.
Experience
Patricia assists various clients in this sector with their trade mark portfolio needs, covering clearance searches, protection strategies, filing and prosecution of applications, disputes, watching and renewals.
Experience
Patricia assists various sporting bodies with their trade mark portfolio needs, covering clearance searches, protection strategies, filing and prosecution of applications, disputes, watching and renewals.
Experience
Patricia assists various clients in this sector with their trade mark portfolio needs, covering clearance searches, protection strategies, filing and prosecution of applications, disputes, watching and renewals.
Experience
Patricia assists various clients in this sector with their trade mark portfolio needs, covering clearance searches, protection strategies, filing and prosecution of applications, disputes, watching and renewals.
Experience
Patricia assists various clients in this sector with their trade mark portfolio needs, covering clearance searches, protection strategies, filing and prosecution of applications, disputes, watching and renewals.
Experience
Patricia assists various clients in this sector with their trade mark portfolio needs, covering clearance searches, protection strategies, filing and prosecution of applications, disputes, watching and renewals.
Experience
Please note: The experience list above may include examples of work completed prior to joining Keystone Law.
Recognised by the Legal 500 for PATMA: Trade Mark Attorneys in 2012, 2017–2025
Recognised by the World Trademark Review 1000 for Trade Mark Prosecution & Strategy 2018–2025
Recognised by Managing Intellectual Property (MIP) IP Stars as a Notable Practitioner 2021–2025
Recognised by Managing Intellectual Property (MIP) IP Stars as a Rising IP Star 2018–2020
Recommended in Lexology Index as a Leading Trade Marks Practitioner 2014–2025
Member of the Chartered Institute of Trade Mark Attorneys (CITMA)
Member of the International Trade mark Association (INTA)
Member of the European Communities Trademark Association (ECTA)
“Patricia Collis is as capable of steering global brand strategy as she is fighting fiercely in opposition and cancellation proceedings.”
WTR 1000, 2025
“Patricia Collis is professionally sound with a pragmatic approach. She has a very pleasant manner and a very fast response rate.”
The Legal 500 2025
Patricia qualified as a Chartered Trade Mark Attorney in 2011. Prior to joining Keystone Law in 2025, she worked at the following firms: