Mathieu de Rooij

M.Sc. Aerospace Engineering

Mathieu de Rooij’s practice is focused on oppositions and appeals before the European Patent Office as well as patent drafting and patent prosecution. He is particularly active in the fields of renewable energy, medical devices, metal forming and automotive technology, but his practice includes a wide range of technologies involving mechanical engineering, aerodynamics, electronics and electrical engineering.

He joined Bardehle as a partner to head the Barcelona office of BARDEHLE PAGENBERG after a career as an EPO Examiner and almost a decade as a partner in private practice in Spain. During his years at the EPO, he gained privileged insights into the EPO, its procedures and particularly the minds of examiners.

Mathieu de Rooij also assists clients in infringement cases and disputes spanning multiple jurisdictions, and regularly acts as a technical expert on the validity and/or infringement of patents in Spanish court proceedings.
He has also been active as speaker explaining EPO practice regarding a variety of topics, in collaboration with the EPO and its Boards of Appeal, and frequently lectures on European patent practice in Spain.

Mathieu de Rooij received the Client Choice Award for Patent Law in Spain in 2015 and 2019 as well as the Client Choice Award for Patent Law in Europe in 2017. He has been highly recommended in IAM Patent 1000 for many years.

Spanish and European Patent Attorney, UPC Representative, Partner

Location: Barcelona

Languages: German, English, French, Spanish, Italian, Dutch, Catalan

+34 93 4 57 61 94
derooij(at)bardehle.es

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Legal Notices

As a patent attorney, I am lucky: I get to see the latest developments of different technologies. I study each case from every possible angle, looking at technical, legal, strategic, and economic aspects. This is so interesting that I simply cannot put a case down before reaching the best possible solution for my clients.

Áreas Legales

Patent Litigation Patent Prosecution Oppositions and Nullity Due Diligence Unitary Patent Unified Patent Court

Industrias

Mechanical Engineering

Electrical Engineering

Medical Devices

Software, IT & Computer Technology

Physics

Automotive

Mathieu de Rooij, a pivotal figure renowned for his profound expertise in EPO oppositions and appeals. Drawing on his prior experience as an EPO examiner, he contributes a unique perspective and nuanced understanding of procedures to skilfully navigate pan-European disputes.
IAM Patent 1000, 2024
Mathieu de Rooij is the key contact for Barcelona – a thoughtful, thorough and zealous professional. He is regularly sought out for his profound expertise in oppositions and appeals at the EPO and effectively capitalises on his previous experience as an EPO examiner to secure total protection for his clients’ inventions.
IAM Patent 1000, 2023
Mathieu de Rooij is a highly sought-after technical adviser with extensive knowledge and experience, particularly in pan-European disputes. He considers all possible avenues to come to a solution, and has a keen ability to make prudent strategic decisions that ultimately benefit his clients’ commercial goals.
IAM Global Leaders 2023
Mathieu de Rooij, a former EPO examiner who knows exactly how to get applications through to grant, especially in the automotive sector. Those who have worked with him have only positive things to say: “Every collaboration with Mathieu is seamless – he is clever, pleasant and just a joy to work with.”
IAM Patent 1000, 2021
Super-smart and collaborative, Mathieu de Rooij ›grasps the nuances of the technologies at hand and gets patents granted in a quick turnaround‹.
IAM Patent 1000, 2020
Electromechanics maestro de Rooij is described as ›very competent and skilled, great to work with, challenging and always engaging, an intuitive thinker with a rational, practical mind‹.
IAM Patent 1000, 2019
Mathieu de Rooij is an outstanding professional; he always offers fast and efficient answers to all requests.
Client Choice: Intellectual Property, Patents
It is extremely easy and efficient to work with him; he has in-depth technical knowledge, experience and ability to understand clients' needs.
Client Choice: Intellectual Property, Patents
He provides well-thought-out strategies for different issues; he is always ready to support his clients and acts like a true partner.
Client Choice: Intellectual Property, Patents
He is a pleasure to work with; he delivers high-quality results even when under pressure.
Client Choice: Intellectual Property, Patents

Recomendación

Lectures & Seminars

Speaker in Case Law Seminar Roadshow, 2018 – 2019, organized by epi (institute of professional representatives) and supported by the EPO Boards of Appeal, London, Barcelona, Oslo, Warsaw

Tutor in Guidelines2Day & Article 123(2) Roadshow 2014 - 2015, organized by European Patent Academy in collaboration with the EPO and epi. Speaker at events in the Hague, Lisbon, Madrid and Riga

Tutor in Guidelines2Day & Article 84 Roadshow 2015 - 2016, speaker at events in Berlin and Barcelona

Teacher in “Postgraduate in Development of Product Engineering Projects”, 2017 - 2019, in collaboration with Universidad Politècnica de Catalunya, BarcelonaTech

Tutoring, including video tutorials and online exercises for Massive Open Online Course “Patents, Patentability and Patent Infringement” offered by Institute for Sustainable Energy, 2016 - 2019

Tutor in "Advanced Course on Patents, interdisciplinary module”, 2011 – 2013, organized by Spanish Patent and Trademark Office and "Patent Centre" of University of Barcelona in 2011 - 2013

Tutor in “Advanced Course on Patents, module on Computer Implemented Inventions and software”, organized by Spanish Patent and Trademark Office and "Patent Centre" of University of Barcelona in 2011, 2012, 2013, 2015, 2017 and 2019

Regular speaker at "Lunes de Patentes" (“Patent Mondays”) organized by Spanish Patent and Trademark Office and "Patent Centre" of University of Barcelona 2010 - 2017

CEIPI tutor in CEIPI basic course Barcelona 2013, 2015, 2017 and 2019 (patent searching and patent information from registers); Barcelona 2014 (European grant, validation and Unitary Patent and Unified Patent Court; Madrid 2016 and 2018 (Analysis of legal situation, practical exercise)