Meet our people
At the heart of EP&C are dedicated professionals who combine specialist knowledge and shared commitment to our clients' success.
Each of us brings unique expertise and genuine enthusiasm to your innovation journey, whether we're navigating complex legal landscapes or ensuring the path to success runs smoothly. We're dedicated to turning your boldest ideas into tomorrow's breakthroughs.

Michaela Alves Correia Mota
Formalities Officer
Michaela Alves Correia Mota

Marc Barendse
Dutch & European Patent Attorney
European Design Attorney
Marc Barendse
Marc combines curiosity and helpfulness with a rational, critical attitude.

Chelsea Beijer-Kranenburg
Formalities Officer
Chelsea Beijer-Kranenburg

Sjoerd Bielleman
Dutch & European Patent Attorney
Sjoerd Bielleman
Sjoerd is an analytical thinker and specializes in high-tech innovations.

Hendrik Jan Brookhuis
Partner
Dutch & European Patent Attorney
Hendrik Jan Brookhuis
Hendrik Jan is critical, optimistic, with decades of experience supporting clients.

Sarah Carter
Trainee Patent Attorney
Sarah Carter
Sarah combines biophysics expertise and passion for life sciences to secure IP.

Ranu Chouhan
Formalities Officer
Ranu Chouhan

Michiel Croes
Dutch Patent Attorney
Michiel Croes
Michiel not only puts himself in the shoes of a biologist or technician, but also of an inventor.

Annemarie de Bruin
Manager People & Organization
Annemarie de Bruin

Alexander de Graaf
Formalities Officer
Alexander de Graaf

Robbert-Jan de Lang
Partner
Dutch & European Patent Attorney
Robbert-Jan de Lang
Robbert-Jan uses his deep tech knowledge and business sense for practical, results-driven solutions.

Valeria De Matteis
European Patent Attorney
Valeria De Matteis
Valeria is driven by curiosity and believes innovation is essential for societal progress.

Savannah de Waal
Formalities Officer
Savannah de Waal

Monique den Hollander
Formalities Officer Coordinator
Monique den Hollander

Sheila Dhonré
Formalities Officer
Sheila Dhonré

Mirjam Dolstra
Formalities Officer
Mirjam Dolstra

Karin Dullaart
Formalities Officer
Karin Dullaart

Wiarda Eerens
Formalities Officer
Wiarda Eerens

Brenda Engels
Formalities Officer
Brenda Engels

Natanya Faaij
Formalities Officer
Natanya Faaij

Charlotte Geers
Trainee Formalities Officer
Charlotte Geers

Yme Groeneveld
Managing Partner
Dutch & European Patent Attorney
Yme Groeneveld
Yme is known for his attention to detail, creativity, and being a team player.

Marlies Hagebeek
Information Assistant
Marlies Hagebeek

Walter Hart
Managing Partner
Dutch & European Patent Attorney
Walter Hart
Walter brings extensive experience and unwavering tenacity to his mechanical practice.

Jeroen Helfrich
Formalities Officer
Jeroen Helfrich

Inge Hoekstra
Hostess
Inge Hoekstra

Kees Hollaar
Dutch & European Patent Attorney
Kees Hollaar
Kees enjoys the creative process of aligning IP protection with business plans.

Menno Hollander
Dutch & European Patent Attorney
Menno Hollander
Menno’s approach is characterized by dynamic, persevering and drive.

Anita Hollenberg-Prins
Receptionist
Anita Hollenberg-Prins

Gerrie Hoogendam
Partner
Dutch & European Patent Attorney
Gerrie Hoogendam
Gerrie enjoys explaining IP strategies clearly, helping clients succeed, which keeps her energized in her work.

Christiaan Houben
Managing Partner
Dutch & European Patent Attorney
Christiaan Houben
Christiaan builds long-term client relationships based on trust, and is approachable, analytical, and tenacious.

Daphne Huberts
Dutch & European Patent Attorney
Daphne Huberts
Daphne loves the unique combination of science, patent law, and strategy her role offers.

Freek Jeurissen
Trainee Formalities Officer
Freek Jeurissen

Mark Jolink
Associate Partner
Dutch & European Patent Attorney
Mark Jolink
Mark uncovers the core of innovations and creatively protects them, empowering inventors to make an impact.

Glenne Joosten
Management Assistant
Glenne Joosten

Umut Kemaldar
Information Assistant
Umut Kemaldar

Sherral Kertowidjojo
Formalities Officer
Sherral Kertowidjojo

Fleur Kessels
Dutch Patent Attorney
Fleur Kessels
Fleur is analytical, social, and enthusiastic, thriving in the diverse work that blends technology and language.

Mitchell Ket
Financial Assistant
Mitchell Ket

Marcel Kortekaas
Partner
Dutch & European Patent Attorney
Marcel Kortekaas
Marcel combines enthusiasm with extensive experience to craft tailored IP strategies.

Jordi Kox
Dutch & European Patent Attorney
European Trademark and Design Attorney
Jordi Kox
Jordi believes anticipating cause and effect and what the future might hold is key to a patent application.

Sandra Kruijer
Finance Coordinator/Financial Controller
Sandra Kruijer

Ger Lemmens
Formalities Officer
Ger Lemmens

Marion Limpens
Formalities Officer
Marion Limpens

Walter Linden
Trainee Formalities Officer
Walter Linden

Željka Marinković
Formalities Officer
Željka Marinković

Jeroen Meesters
Dutch & European Patent Attorney
Jeroen Meesters
Jeroen is excited by supporting cutting-edge innovations and helping clients protect their visions.

Hans Mertens
Of Counsel
Hans Mertens
Hans is retired but continues supporting EP&C clients, leveraging his global network.

Slavisa Milovanovic
European Patent Attorney
Slavisa Milovanovic
Slavisa is passionate about turning complex technologies into innovations and helping innovators succeed.

Sacha Muijs
Application Administrator
Sacha Muijs

Ton Nouweland
Facility Services Assistant
Ton Nouweland

Ellen Offenberg
Management Assistant
Ellen Offenberg

Menno Ong
Chief Executive Officer
Menno Ong
Menno's strength is promoting interdisciplinary collaboration and knowledge sharing.

Tanja Oosterveer
Formalities Officer
Tanja Oosterveer

Hanna Oosterveld
Information Assistant
Hanna Oosterveld

Andrei Otinjac
Formalities Officer
Andrei Otinjac

Helen Peverelli
Receptionist
Helen Peverelli

Thomas Remmerswaal
Dutch & European Patent Attorney
European Design Attorney
Thomas Remmerswaal
Thomas is inquisitive, analytical, and takes pride in contributing to developing new inventions.

Rudi Riemens
Partner
Dutch & European Patent Attorney
European Design Attorney
Rudi Riemens
Rudi makes patenting accessible and ensures clients feel confident in their IP strategies.

Johan Roeters
Formalities Officer Coordinator
Johan Roeters

Holger Seitz
Associate Partner
Dutch & European Patent Attorney
Holger Seitz
Holger is thorough, tenacious, and direct, guiding high-tech clients through the business lifecycle.

Linda Sengers
Business Development Coordinator
Linda Sengers

Jeethendra Shewdat
Application Administrator
Jeethendra Shewdat

Charissa Toet
Formalities Officer Coordinator
Charissa Toet

Henny Trimbos
IP Software Coordinator
Henny Trimbos

Niels van den Berg
Business Development Coordinator
Niels van den Berg

Hidde van der Bijl
Trainee Patent Attorney
Hidde van der Bijl
Hidde helps clients by offering tailored advice and solutions for unique ideas.

Hans van der Kubbe
Advisor Employee Benefits
Hans van der Kubbe

Matthijs van der Linden
Dutch & European Patent Attorney
Matthijs van der Linden
Matthijs thrives on challenges, with passion driving his motivation to go the extra mile.

Sabine van der Schans
Financial Assistant
Sabine van der Schans

Tisha van Diggele
Financial Assistant
Tisha van Diggele

Lucas van Gorkom
Dutch & European Patent Attorney
Lucas van Gorkom
Lucas supports clients with tailored IP strategies, bridging technical depth and business impact.

Marjolein van Lit-Elderson
Dutch & European Patent Attorney
Marjolein van Lit-Elderson
Marjolein enjoys exploring remarkable inventions and protecting them in the right context.

Marga van Loenhout
Formalities Officer
Marga van Loenhout

Anne van Lohuijzen-Pronker
Trainee Patent Attorney
Anne van Lohuijzen-Pronker
Anne specializes in high-tech and medical innovations, supporting clients through precise advice.

Simon Van Mierlo
Trainee Patent Attorney
Simon Van Mierlo
Simon combines his deep academic expertise in computer science with a passion for innovation.

Mandy van Overeem
Dutch Patent Attorney
Mandy van Overeem
Mandy combines her accessible nature with expertise in chemistry and mechanics to help clients.

Madelon van Zijl-Dubbeling
Formalities Officer Coordinator
Madelon van Zijl-Dubbeling

Wendy van Zoelen
Dutch & European Patent Attorney
Wendy van Zoelen
Wendy thrives on her diverse role, unraveling complex details, providing guidance, and supporting innovators.

Thomas Verduyn
Trainee Patent Attorney
Thomas Verduyn
Thomas is driven by the variety of topics and the challenge of mastering legal language.

Martijn Vermeulen
Partner
Dutch & European Patent Attorney
Martijn Vermeulen
Martijn's passion lies in transforming complex, technologies into actionable strategies.

Joyce Vinkoert
Receptionist
Joyce Vinkoert

Johan Volmer
Partner
Dutch & European Patent Attorney
Johan Volmer
Johan has extensive expertise in chemistry and mechanics. He is passionate about adding value to clients' IP businesses.

Jasper Vrijenhoek
Trainee Patent Attorney
Jasper Vrijenhoek
Jasper finds fulfillment in protecting intellectual property and seeing innovations thrive.

Paul Waldekker
Business Development Manager
Paul Waldekker

Stefan Wijker
Trainee Patent Attorney
Stefan Wijker
Stefan thrives on the variety in his work, finding deep fulfillment in guiding inventors on protecting their business.

Laura Willemse
Formalities Officer
Laura Willemse

Isabelle Wolterink
Partner
Dutch & European Patent Attorney
Isabelle Wolterink
Isabelle has proven that good communication is key to strong patents and enduring relationships.

Experienced patent attorneys
Our patent attorneys don’t just see patents, they see potential. Trust our team to safeguard your ideas, navigate the complexities of patent law and propel your business forward with confidence. Battling copycats or facing crucial business decisions? We stand ready to champion your ideas and help your business grow.


Business excellence team
Our specialised support professionals, from business development to finance and formalities, work alongside our attorneys to bring strategic insight and collaborative energy to every project. Together, we build a foundation of trust, flexibility and creativity to empower clients to focus on what they do best - innovating for the future.
Plan a meeting with a patent attorney
Wondering how EP&C can help safeguard your ideas? During a meeting with one of our patent attorneys, they will take you through:
The path to protecting your innovation
Addressing any IP concerns you might have
Clear information on the expected costs
Please complete and submit the form to schedule a meeting. We'll contact you as soon as possible to set a time and a date that works for you.