Mathieu de Rooij

M.Sc. Aerospace Engineering

Mathieu de Rooij’s practice is focused on patent prosecution, and particularly in the fields of renewable energy, medical devices, and automotive technology. During his years as an EPO examiner he gained a privileged insight into the EPO and the minds of the examiners. He is an expert in EPO opposition and appeal procedures and regularly acts as speaker in collaboration with the EPO.

Mathieu de Rooij received the Client Choice Award for Patent Law in Spain 2015 and 2019, as well as the Client Choice Award for Patent Law in Europe in 2017.

European Patent Attorney, Partner

Bureau: Barcelona

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

+34 93 4 57 61 94


Télécharger informations de Profil

Legal Notices


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)


IAM Yearbook 2014: "The use and misuse of Spanish Utility models" 

IAM Yearbook 2015: "Beyond the Unitary patent: Nothing new under the Sun?"

IAM Yearbook 2016: “Adjusting the pace of patent applications and cutting costs at the EPO”

IAM Yearbook 2017: “Effective use of the Patent Cooperation Treaty”

Europe IP FOCUS 2017: “How the new Spanish Patent Law affects your filings and rights”

2019 - aujourd'hui

Partner at BARDEHLE PAGENBERG in Barcelona, Spain

2011 - 2019

Partner at ZBM Patents & Trademarks, Barcelona, Spain


Diploma on Patent Litigation in Europe from CEIPI

2008 - 2019

European Patent Attorney at ZBM Patents & Trademarks, Barcelona, Spain


Passed European Qualifying Examination

2002 - 2008

Patent Examiner at the European Patent Office, in the field of Civil Engineering & Thermodynamics, The Hague, Netherlands

1995 - 2001

Master of Science in Aerospace Engineering, Delft University of Technology, Delft, Netherlands