Protect your European patents with Dennemeyer post-grant services
European patent post-grant services
Successfully completing the prosecution and grant stage has allowed you to obtain your European patent. The next step is to validate it in each member state of the European Patent Convention (EPC) where you seek protection. This involves time-consuming administrative work and extensive translation requirements in some countries. Dennemeyer can take over and help you complete the procedures in one single instruction.
Dennemeyer merges expertise with efficiency, providing top-tier quality and the capacity to handle large volumes effectively. We commit to a professional and transparent approach rigorously managed by experienced patent attorneys to ensure accuracy and maintain high service standards.
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Digitalization with EP Validations (EPV) App
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Global network of law firms with local expertise
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Flexible & integrated process tailored to client's needs
Our range of deliverables include:

Why choose Dennemeyer
- Direct validation in 16 countries
- Local office network providing regionalized expertise across Europe
- Complimentary access to our user-friendly EPV App, simplifying cost estimates and instructions
- Enjoy cost efficiency and volume discounts for validations in multiple jurisdictions with our well-established agent network
- Superior translation services for accuracy and quality at every stage
- Seamless integration with other Dennemeyer services for a cohesive experience
Reach out to find our more, contact us »
What Dennemeyer offers

Swift action and transparent communication
Receive prompt confirmation of your instructions, with power of attorney drafts delivered within 24 hours of order placement. We proactively address procedural questions to avoid delays and simplify your experience. Powered by process efficiency, our turnaround ensures speedy service without sacrificing work excellence.

Client-centric methodology
One size does not fit all, so we customize our approach to ensure smooth interaction, keeping you supported and well-informed at all times. Our commitment is to cater to the specific needs of every client, aiming for a tailored experience in communication, advice, reporting, invoicing and strategy.

Transparent pricing
Our estimates give a clear, detailed cost breakdown with precise, transparent translation costs based on data included in the EP register. Dennemeyer has no hidden fees, so you can benefit from straightforward financial planning. Flexible payment options are available, with volume discounts for large portfolios.

High-volume expertise
We have completed an average of over 16,000 national validations annually for the last three years. Our track record extends to opting out more than 47,000 patents and submitting over 300 requests for unitary effect in 2023 alone. Dennemeyer's processes are optimized to prevent bottlenecks in extensive portfolios or validation surges.

Convenient web app
Clients can generate accurate quotations quickly via the Dennemeyer IP Lounge. Our user-friendly web app streamlines your decision-making by offering a seamless way to place orders. The online portal is accessible 24/7, improving the overall efficiency, no matter your location.
Your benefits

Digital solution
A single digital portal to obtain cost estimates and place your orders for unitary effect requests, UPC opt-outs and / or EP validations.

Our experts
Multilingual patent attorneys with the skills and qualifications (litigation certificates) to represent you in all actions before the UPC.

European footprint
Representation in all EPC and UPC jurisdictions directly via our Dennemeyer offices and preferred audited agents.
Online applications act as decision enablers by anticipating what information the user might need. We created our EPV App as part of our IP Lounge digital environment – your single point of entry to all Dennemeyer services. All your subscriptions, tools and insights in one place.
- Easily create cost estimates
- Send orders for requesting unitary effect and/or validating European patents with just a few clicks
- Request for individual opt-out of unitary patent
Bulk opt-out is also available. Our integration with the official UPC API allows us to submit hundreds of opt-out requests on your behalf quickly and securely.

Dr. Massimo Galluppi
European & Italian
Patent Attorney
Patent litigation diploma
(CEIPI)

Dr. Anthony Carlick
European Patent Attorney
Chartered Patent Attorney (UK)
Patent Litigation Certificate (IPREG)

Dr. Paola Pace Napoleone
Patent Attorney (IT, SM)
European Patent Attorney
with Patent Litigation
Certificate (Politecnico di
Milano)

Valeria Ghirardi
Patent Attorney (IT)
European Patent Attorney
with Patent Litigation
Certificate (Politecnico di
Milano)

Dr. Mathieu Buchkremer
Patent Attorney (BE)

Stéphane Speich
Patent Attorney
(BE, LU, FR)
Patent Assessor (DE)
European Patent Attorney
with Patent Litigation Certificate (CEIPI)
What our customer says
The process is easy, and the UP/EPV portal is useful. Dennemeyer improves its services by asking clients for feedback and is able to conduct a secure implementation. We are glad to have a provider who tries to fit our needs.