Company lists · Data refreshed September 2026
Top 25 Intellectual property consulting firms based in the Netherlands
RevenueBase identified 130 intellectual property consulting firms headquartered in the Netherlands as of September 2026 and tracks 1,760 professional contacts across them, including 929 with verified work emails and 88 with mobile numbers. Amsterdam is the largest hub.
This list covers intellectual property consulting firms headquartered in the Netherlands, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 4, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest intellectual property consulting firms based in the Netherlands
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 210 | ||||
“Novagraaf is an international IP consultancy firm and part of the Questel group.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 2 | 155 | ||||
“As one of Europe’s leading intellectual property firms, we believe in the power of innovation to drive progress.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 3 | V.O. Patents & TrademarksIndirect evidence | 145 | |||
“V.O.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 4 | 76 | ||||
“EP & C is a law firm specialized in protecting your ideas and commercial assets by patents and designs.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 5 | 74 | ||||
“For more than 55 years, we have been committed to innovation and the protection of intellectual property.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 6 | 63 | ||||
“Knijff Trademark Attorneys is a company specialising in the protection of trademarks, designs and company names.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 7 | 28 | ||||
“De Vries & Metman is a leading patent attorney firm in the Netherlands.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 8 | 21 | ||||
“Leeway is an Amsterdam-based law firm specialising in intellectual property, technology and media & entertainment and all related commercial issues and contracts.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 9 | 18 | ||||
“BINGH Advocaten is een gespecialiseerd kantoor in het hart van Amsterdam.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 10 | 18 | ||||
“DeltaPatents is a full-service patent firm with more than 20 years of experience in providing patent services to our clients.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 11 | 15 | ||||
“de Merkplaats is a contemporary trademarks agency and a committed partner in the field of the protection and management of intellectual property rights.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 12 | Vriesendorp & GaadePartial evidence | 13 | |||
“Vriesendorp & Gaade is your expert for complete and personal services with respect to legally protecting your inventions, designs, trademarks and other intellectual legacy…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 13 | 13 | ||||
“We are an independent boutique law firm in Amsterdam, specialized in intellectual property law, advertising law and food law.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 14 | 13 | ||||
“Abcor Trademark & design agency” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 15 | 12 | ||||
“Vondst is een gespecialiseerd advocatenkantoor dat zich toelegt op het intellectuele eigendomsrecht, farmaceutisch recht, IT en privacy.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 16 | 11 | ||||
“DOGIO stands for “De OctrooiGemachtigde bij Innovatie en Ontwikkeling”; the Patent Attorney for Innovation and Development.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 17 | 11 | ||||
“LIOC Patents & Trademarks is patent, trademark and design firm operating nationally and internationally.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 18 | 9 | ||||
“A strong corporate identity makes that customers recognize your trademark.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 19 | 9 | ||||
“Ventoux is a Dutch niche law firm that focuses on the exploitation and protection of intellectual capital.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 20 | 8 | ||||
“LAWYERS OF CHANGE - Louwers IP & Tech Advocaten is a no nonsense niche firm specialised in the closely intertwined fields of intellectual property & innovation, IT & IT…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 21 | 8 | ||||
“We are AC & R, Advocates for Creativity and Reputation.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 22 | 8 | ||||
“BRIGHT ip lawyers is een nichekantoor gespecialiseerd op het gebied van intellectueel eigendom (IP).” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 23 | 8 | ||||
“Digitalisering.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 24 | 7 | ||||
“Hortis Legal (formerly known as: Hortis Holland B.V.) is a legal consultancy in the area of intellectual property law.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 25 | Rise TrademarksIndirect evidence | 6 | |||
“Rise is a boutique law firm specialized in the protection of trademarks and designs.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 130 intellectual property consulting firms based in the Netherlands
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Intellectual property consulting firms based in the Netherlands at a glance
As of Sep 4, 2026Companies by employee count
Verified emails by last verification
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among intellectual property consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the Netherlands whose own description of what they do matches “intellectual property consulting firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among intellectual property consulting firms, and records with no verified work email. Companies headquartered outside Netherlands are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 929 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 4, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
How many intellectual property consulting firms are there based in the Netherlands?
RevenueBase identified 130 intellectual property consulting firms headquartered in the Netherlands as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Novagraaf, headquartered in Ba, tops this list with the largest team on record.
Which city has the most intellectual property consulting firms?
Amsterdam leads with 22 headquartered companies, followed by Utrecht (7) and Eindhoven (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 929 verified decision-maker contacts tracked across these 130 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 4, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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