2026

"The team is highly responsive and pragmatic. They provide clear strategic advice and are able to explain complex legal issues in a straightforward way. We also appreciate their commercial awareness and their ability to coordinate effectively with international counsel when needed."

"The prosecution team is technically strong and very detail-oriented. They provide practical advice during prosecution and are proactive in identifying potential risks or opportunities. Communication is efficient and the team is always responsive to urgent matters. The administrative support is also very reliable, ensuring deadlines and formalities are handled smoothly."

"The advisory work is thoughtful and well-structured. The team provides clear explanations of the legal position together with practical recommendations, which helps us make informed commercial decisions. They are also very good at coordinating multijurisdictional matters."

"Sean Jauss understands our company and our business. He is very responsive when we need him and his advice is always helpful and clear."

"The attorneys at Mewburn Ellis are experienced and pragmatic.  This means that for advisory work they can suggest an approach that is fit for purpose whilst matching the relevant budget."

"Mewburn Ellis has a very joined up approach.  We work with several different attorneys in the firm but they work in the same way and as one team, making our interactions on an individual basis (case by case) and on a corporate basis (billing, admin etc) streamlined.  This means we can work with the Mewburn Ellis team as a seamless extension of our internal team."

"Everything - they were fantastic in every aspect.  Understanding the invention, drafting the invention, and all associated administration."

"Excellent knowledge and record of a longstanding IP history backed up by a highly efficient administration team that notifies us immediatly of new actions and provides good reminders arounfd which we can plan our responses."

"Mewburn Ellis's IP filing, prosecution, and administration team is highly reliable and efficient. They consistently deliver work on time, respect agreed deadlines, and demonstrate strong attention to detail. The team assigns competent and knowledgeable professionals to each matter, ensuring accuracy and smooth handling of filings and prosecution activities. Their responsiveness and clear communication make coordination easy and dependable."

"The team were very friendly, very clever, quick to respond and responsive, kind and a pleasure to work with.  Very professional, without being standoffish."

"They provide good advisory services from specific experts and are open to indicate where they are not leading experts on any particular matter."

Sean Jauss

"He understands the sometimes unnecessarily complicated reality of our business.  His advice gets the right balance of pragmatic and technically astute. Sean is very responsive."

Tom Furnival

"Tom is very approachable and knowledgeable, making it easy to have an open discussion.  He takes the time to understand what our business is aiming to do so he can suggest a course of action that is right for our needs.  He is clear and prompt with his advice."

James Leach

"He handled everything well, very involved in drafting  and supervising the associate (Alessio Inciniti). Just a fantastic team overall."

Simon Kremer

"Communicates well; acts quickly; retains an excellent knowledge of a broad and long-standing IP portfolio; decisive honest and trustworthy."

Eliot Ward

"Eliot Ward excels at understanding both the broader context and the technical details of inventions and underlying science. The team demonstrates a strong ability to grasp complex scientific concepts while also appreciating the commercial and strategic context in which the inventions are developed. This combination enables Eliot Ward to provide clear, relevant, and high-quality support."

2025

"[They provide] very sharp advice and a very efficient strategy."

"Open and transparent communication combined with a flexible and pragmatic attitude and a sound scientific understanding."

A client likes that the "team remains stable".

"Very efficient and rapid responses and accommodating when additional support is required. Very proactive."

"Excellent attention to detail and excellent strategic advice. Our clients prefer to use them for their applications in the EPO."

"Mewburn Ellis has very good patent attorneys, but they also have a commercial focus and are able to provide focused advice that is directly applicable to our strategic needs."

"They are proactive, bright, constructive and able to provide the necessary service by putting additional attorneys and paralegals to work on our behalf."

"Professional, fast, and problem-solving orientated."

"A large team covering all areas of technology with high levels of technical expertise and strong commercial considerations."

Another client appreciates the team's "responsiveness and collaborative nature".

"They provide timely, excellent advice on navigating complex patent prosecution cases in the EPO."

Simon Kiddle

"Simon Kiddle is outstanding. He can operate in a multitude of subjects, which is critical when filing patents for chemistry inventions. Simon is exceptional and super pragmatic at navigating the examination process and has an incredible memory for previous proceedings in some of our earlier patents. I recommend him to anyone in life sciences who needs a patent lawyer."

2023

"We appreciate that their advice is timely, well-thought out, and offers a variety of potential legal solutions to consider."

"They are professional, factual and easy to deal with."

"They are high-quality, commercially minded, patent attorneys with a broad range of technical expertise and lots of experience."

"They are professional, friendly, and produce well-structured patents."

"They are very efficient, and maintain a high level knowledge and understanding of both our patent portfolio and our underlying science. They provide the service of attorneys dedicated to our work over an extended period of time."

"They provide excellent customer service and rapid turnaround of high-quality advice. "

"We appreciate their knowledge, timely work, and customer service."

"They are all efficient and good communicators, from the lead partner to the paralegal and administrative assistants."

"They are always available and manage our global portfolio efficiently."

"They are available, responsive, direct and efficient."

2021

A client commended the firm for its “excellent responsiveness, execution and clarity”.

“Quick response, first-rate advice typically within one day,” says a patent client.

“They provide pragmatic, coherent advice.”

A long-standing client said: “They have provided us with very good services regarding our IP filings and prosecution in Europe. They provide very detailed explanation understandable to us.”  

A brand owner client said: “Mewburn Ellis provide very concise advice and options. The clarity is great and really helpful to make decisions on behalf of the company. The people are also very nice, a pleasure to deal with.”

One client explained why they use the firm: “Mewburn Ellis is our go-to firm for European patent prosecution, advice and opposition. We entrust our high-stakes matters with the firm because of their sophisticated practice, excellent partners and associates, deep knowledge in the life sciences area and their proven track record. They have a great track record for timely work that comes in on budget.”

Another patent client said: “The patent professionals at Mewburn are always up-to-date on European law and provide expert strategy for patent prosecution in Europe.”

A client used the firm because of its “reasonable pricing structure, high-quality drafting and flexibility”.