Company lists · Data refreshed September 2026
Top 25 Patent and intellectual property law firms based in Madrid, Spain
RevenueBase identified 78 patent and intellectual property law firms headquartered in Madrid, Spain as of September 2026 and tracks 1,419 professional contacts across them, including 175 with verified work emails. Across Spain, Madrid is the largest hub for this category.
This list covers patent and intellectual property law firms headquartered in Madrid, Spain, 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 patent and intellectual property law firms based in Madrid, Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 177 contacts → | ||||
Indirect evidence “Somos una firma española especializada en propiedad industrial e intelectual.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 158 contacts → | ||||
Strong evidence “We are a global company specialising in Intellectual Property, a pioneer in the creation of a culture of management, protection and defence of the intangible assets of…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 109 contacts → | ||||
Partial evidence “BALDER is one of Spain’s most innovative IP law firms, founded in Madrid in 2012.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 70 contacts → | ||||
Strong evidence “ABG is one of the leading Spanish IP firms and provides highly-qualified technical and legal advice on intellectual property matters.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 68 contacts → | ||||
Strong evidence “UNGRIA is a leading Intellectual Property law firm with +130 years of experience in the national and international arena.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 44 contacts → | ||||
Indirect evidence “Somos un despacho de abogados, con oficinas en Madrid y Lisboa, que ofrece asesoramiento y servicios legales de alto valor añadido gracias a nuestro equipo cualificado, nuestros…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 38 contacts → | ||||
Strong evidence “Baylos / ABION is at the forefront of law firms in Spain in the field of Intellectual Property and related matters.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 27 contacts → | ||||
Strong evidence “Letslaw is an international law and multidisciplinary firm that provides legal advice in business law specialized in digital and intellectual porperty law.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 26 contacts → | ||||
Indirect evidence “Despacho de abogados mercantilista fundado en especializado en sus orígenes en la práctica del derecho de la propiedad industrial e intelectual, ha ido ampliando su actividad a…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 25 contacts → | ||||
Partial evidence “Law firm of trial lawyers located in the financial center of Madrid whose reason for is excellence and quality in the provision of their services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 14 contacts → | ||||
Indirect evidence “Firma de abogados especializada en Derecho Concursal y Propiedad Intelectual.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 13 contacts → | ||||
Strong evidence “Our boutique IP Law Firm, focusing on trademarks, patents, designs, copyrights and domain name matters is located in Madrid, near the Spanish Patent and Trademark Office (Oficina…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 11 contacts → | ||||
Indirect evidence “Despacho legal especializado en el sector audiovisual, propiedad intelectual, software e I+D+i.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 11 contacts → | ||||
Indirect evidence “Nuestro Objetivo: Usted necesita Saber para poder Decidir.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 11 contacts → | ||||
Partial evidence “Bercovitz-Carvajal is a boutique law firm located in Madrid, which was established in 1980.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 10 contacts → | ||||
Indirect evidence “González-Bueno SLP is a legal firm established in 2004 offering assessment based on excellence and high levels of specialisation in its specific practice areas.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 9 contacts → | ||||
Strong evidence “TRBL Intellectual Property es el área de Propiedad Industrial (IP) de TRBL Services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 9 contacts → | ||||
Strong evidence “Intellectual Property (IP) firm founded and run by European Patent Attorneys.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 contacts → | ||||
Indirect evidence “Deloyers nace de una convicción : hay una forma distinta de ejercer la abogacía.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 5 contacts → | ||||
Partial evidence “SHIP is an IP portfolio management company that uses a platform for IP submissions as a tool with a single goal: to offer an exclusive service for submitting patent and trademark…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5 contacts → | ||||
Indirect evidence “Somos un equipo de Abogados joven y dinámico, con amplia experiencia en el ámbito del Derecho de la Propiedad Intelectual, concretamente en el sector del Entretenimiento y Ocio.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 4 contacts → | ||||
Indirect evidence “Alvamark es un bufete técnico-jurídico establecido en 1926, especializado en Propiedad Industrial, Intelectual y Nuevas Tecnologías, consolidado gracias a la labor profesional e…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Partial evidence “We are an IP Law Firm established in Spain, formed by motivated and dynamic IP Lawyers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Indirect evidence “We are an IP & IT Firm recognized by Legal500, Best Lawyers and IPStars.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Strong evidence “Manuel Illescas Asociados (MIA) is an industrial and intellectual property firm that offers its clients comprehensive, personalized and customized advice.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: patent and intellectual property law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names patent and intellectual property law firms.
- Partial evidence
- Its own public description names part of patent and intellectual property law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name patent and intellectual property law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 78 patent and intellectual property law firms based in Madrid, Spain
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Patent and intellectual property law firms based in Madrid, Spain at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured across the whole Spain list rather than for Madrid, so it is reported there. Company counts and contact totals on this page are exact for Madrid, over 78 companies.
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 patent and intellectual property law firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Madrid, Spain whose own description of what they do matches “patent and intellectual property law firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names patent and intellectual property law firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among patent and intellectual property law firms, and records with no verified work email. Companies headquartered outside Madrid 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 its RevenueBase Smart Search 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, 175 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 29, 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.
Patent and intellectual property law firms by metro in Spain
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names patent and intellectual property law firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many patent and intellectual property law firms are there based in Madrid, Spain?
RevenueBase identified 78 patent and intellectual property law firms headquartered in Madrid, Spain 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?
Elzaburu, headquartered in Madrid, tops this list with the largest team on record.
Which city in Spain has the most patent and intellectual property law firms?
Madrid leads Spain with 78 headquartered companies, followed by Barcelona (41) and Alicante (8).
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 175 verified decision-maker contacts tracked across these 78 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 29, 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 Smart Search, 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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