Specialising in biotech, pharmaceuticals, biochemistry, and medical devices, Katrina has nearly 30 years of experience in prosecuting patents and trade marks worldwide and being involved in contentious IP actions.  

Katrina has managed many multi-national portfolios of patents and trade marks. She has experience dealing with a wide variety of clients from multi-national pharmaceutical companies to individual inventors.

Specialising in electronics, telecoms, high tech, optics, computer technologies including business methods, software, machine learning, AI, encryption and  nanotechnology disciplines. Angela has over 35 years experience as an IP attorney in both private practice in the UK and France, and in corporate IP departments, latterly as European regional head of the inhouse IP group at Nortel. 

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She has extensive experience of Patent drafting, IP portfolio development & management including US practice. She is able to work with clients in both French and English.

Meena has over twenty years experience in private practice and industry, and specialises in brand clearance and protection for UK and overseas clients, including those in the USA and China.

She has experience across a wide range of industries and types of organisations, with particular experience of the food and drink sector and of managing large scale portfolios, providing IP strategy services and undertaking complex clearance and protection work across multiple jurisdictions.

Nathalie has over twenty five years experience in brand clearance, protection and counterfeit actions for French and overseas clients. She has experience across a wide range of industries and types of organisations, protecting and enhancing the value of their IP rights.

She has particular experience of start ups and technology businesses, providing trade mark and design strategy services and undertaking clearance and protection work across multiple jurisdictions. She is able to work with clients in both the French and the English languages

Specialising in biotech, biochemistry, pharmaceuticals and chemistry, as well as medical devices and other mechanical devices, Simon has been securing, opposing, and defending patent and design IP rights since 2008 following 11 years in academia. 

Simon has managed many multi-national portfolios of patents and designs. He has experience assisting a variety of clients from multi-national companies to individual inventors. 

Alan has significant experience in drafting and prosecuting patent applications, and providing infringement and validity opinions. He has extensive experience of handling cases in the USA, Japan and China.

His technical specialisation is in electronics and physics, and has worked in related technical fields including electronics, optics, signal processing, radar systems, RF, microwave and millimetre wave circuitry and systems, optical fibre and magnetic sensors, and mechanical systems.

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His experience includes ten years as an inhouse attorney at a multinational security and defence contractor. In addition to patents, he has experience in filing and prosecuting trademarks and registered designs.

Specialising in the chemistry field, with over 10 years of experience working primarily in on varied chemistry-related portfolios including catalysis, battery materials, and industrial manufacturing processes.

With extensive experience in house for the global sustainable technology company, Johnson Matthey,  Phil specialises providing commercially relevant IP advice to both mature and emerging technologies, including licensing, acquisitions, and contentious matters related to patent litigation and oppositions at the European Patent Office.

Specialising in electronics, software and medical technologies with almost twenty five years experience in drafting, prosecuting and opposing patent applications across a range of technical fields.

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His experience as a Patent Attorney includes work in private practice with a number of UK firms, including his own firm, as well as an in-house role at BNFL at the start of his career.

In this time he has worked with a wide range of clients. including established engineering companies, early stage start ups and University research groups and associated spinout companies. He is able to provide the right IP advice to clients at all stages of the business lifecycle from start up, attracting investment and IP acquisition.

Specialising in engineering & cleantech with particular expertise in protection of software-related innovation, including applied software, artificial intelligence, image processing, cryptocurrency and block chain technologies.

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One of the co-founders of Five Zero, David has had a wide range of experience as a Patent Attorney in UK IP attorney and law firms, as well in-house IP management roles at automotive manufacturer Nissan / Renault and at the highly successful Oxford University spin out company, Oxford Nanopore.

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Eloïse is a qualified European Patent Attorney with wide experience of patent drafting and prosecution, patent searches, drafting opinions, and undertaking due diligence. She has supported start-ups from initial filing to fund-raising, using government support systems set up to assist projects.

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She has drafted and prosecuted patent applications in various technical fields including medical devices, chemistry (bitumen, domestic product), recycling processes, industrial pharmaceutical filling line, industrial food production line, automotive devices.

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Eloïse has successfully defended clients in patent opposition and participated in the oral proceeding)

She has conducted comprehensive mapping of the IP environment for clients, including for example presenting findings to the customer and secure new patents through the European Patent Office (EPO) incorporating key innovations to enhance the portfolio's value for investment. She is able to work with clients in both the French and the English languages

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John has over 35 years of IP experience as a Patent Attorney with one of Europe's largest IP firms as it grew from a single office firm of 20 people to several hundred staff in twelve offices. 

During this time as part of the firms IT steering group and alongside his role as a patent attorney, he played a key role in guiding the development of the firms IP management software and systems.

This included the design of the user interface, the development of standard letters, templates and forms as well as providing input to underlying IT development.

Keith co-founded Five Zero IP in response to a recognised need for more flexible, commercially focused IP services, combining experienced attorney expertise with effective management systems and operational support.

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With more than 25 years of senior-level experience in the IP services sector, an engineering background and extensive experience in business development and general management, Keith has played a key role in the development of three successful, leading IP attorney firms.

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In addition to providing IP management consulting services, Keith leads Five Zero's development and operations, bringing together specialist attorneys, management expertise and established infrastructure to help clients manage their IP effectively and cost-efficiently.