Company lists · Data refreshed September 2026
Top 25 Patent litigation law firms based in Paris, France
RevenueBase identified 114 patent litigation law firms headquartered in Paris, France as of September 2026 and tracks 1,061 professional contacts across them, including 375 with verified work emails. Across France, Paris is the largest hub for this category.
This list covers patent litigation law firms headquartered in Paris, France, 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 litigation law firms based in Paris, France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 186 contacts → | ||||
Indirect evidence “Lavoixis a leading firm fully dedicated to IP.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 64 contacts → | ||||
Partial evidence “klein•wenner is a multicultural team of 43 lawyers, strongly organized around proven business law practices.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 50 contacts → | ||||
Partial evidence “ICOSA is an IP Law firm dedicated to Life Sciences, Chemistry and Medical Device.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 42 contacts → | ||||
Indirect evidence “Le cabinet Nony a été intégré à IPSILON.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 37 contacts → | ||||
Partial evidence “Haas Avocats is a law firm specializing in new technologies, digital and intellectual property law.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 22 contacts → | ||||
Partial evidence “Technologies and digital, intellectual property, media, mediation and complex litigation” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 21 contacts → | ||||
Indirect evidence “TWELVE est un cabinet d'avocats créé en 2012 par quatre avocats au barreau de Paris, dédiés au droit de la propriété littéraire et artistique, au droit des marques et dessins et…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 20 contacts → | ||||
Indirect evidence “Associés : Emmanuel Huyghe, Elsa Martin Touaux, Maryse Dulout, Claudine Kauffmann, Alexandre Delye, Grégory Riou IP TRUST réunit une équipe de professionnels formés pour…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 20 contacts → | ||||
Strong evidence “Bandpay & Greuter is an IP law firm striving to modernize services in patent matters.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 18 contacts → | ||||
Indirect evidence “Le cabinet Jacobacci Coralis Harle est né en 2016 du rapprochement entre le cabinet Jacobacci & Partners et le cabinet Coralis Harle Phelip, deux cabinets historiques ayant une…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 16 contacts → | ||||
Partial evidence “BERENICE AVOCATS’s aim is to assist and represent you, with commitment and determination, in BUSINESS LITIGATION.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 16 contacts → | ||||
Partial evidence “A Boutique law firm in Paris and Geneva, we provide creative legal services for the protection, development and transfer of your innovations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 14 contacts → | ||||
Partial evidence “Barnett Avocats is a law firm specialised in intellectual property in the following areas: music, art and design, cinema, audiovisual, fashion and, more broadly, all creative…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 13 contacts → | ||||
Partial evidence “Swift Litigation est un cabinet d'avocats dédié aux contentieux complexes et sériels.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 11 contacts → | ||||
Indirect evidence “BONNIER SAINT-FELIX est un cabinet d'avocats d'affaires parisien.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 10 contacts → | ||||
Indirect evidence “Nous assistons nos clients depuis près de 30 ans dans leur stratégie de propriété intellectuelle en intervenant à leurs côtés, en Europe et à l’international, tant aux stades de…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 10 contacts → | ||||
Indirect evidence “OSMOSE est un cabinet d’avocats qui offre à ses clients, particuliers, entreprises ou entités publiques, des prestations de conseil et de contentieux en matière de propriété…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 9 contacts → | ||||
Indirect evidence “Les avocats du cabinet disposent d’une compétence reconnue pour les contentieux corporate, tant devant les juridictions judiciaires que devant les instances arbitrales.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 9 contacts → | ||||
Indirect evidence “KERN & WEYL est un cabinet d’avocats basé à Paris, dédié au conseil et au contentieux en droit de la propriété intellectuelle (droits d’auteur, marques, dessins et modèles…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 8 contacts → | ||||
Indirect evidence “Cabinet In Concreto spécialisé dans la protection et la défense de vos droits de Propriété Intellectuelle.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 contacts → | ||||
Partial evidence “Fedit-Loriot is a Patent and Trademark Firm, serving a diverse domestic and international clientele in Europe, Japan, China, Korea and the United States.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 7 contacts → | ||||
Indirect evidence “Le cabinet CC & C accompagne et défend ses clients dans tous les domaines du droit pénal et du contentieux des affaires.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 7 contacts → | ||||
Partial evidence “Law firm for tech companies Smart lawyers for smart entrepreneurs” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 6 contacts → | ||||
Indirect evidence “Cabinet d'avocats dédié à la pratique des contentieux privés et publics des affaires” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 6 contacts → | ||||
Indirect evidence “Aconic est un cabinet de niche dédié à la propriété intellectuelle et aux nouvelles technologies, basé à Paris et Lyon.” 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 litigation 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 litigation law firms.
- Partial evidence
- Its own public description names part of patent litigation 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 litigation 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 114 patent litigation law firms based in Paris, France
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Patent litigation law firms based in Paris, France at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured across the whole France list rather than for Paris, so it is reported there. Company counts and contact totals on this page are exact for Paris, over 114 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 litigation 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 Paris, France whose own description of what they do matches “patent litigation 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 litigation 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 litigation law firms, and records with no verified work email. Companies headquartered outside Paris 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, 375 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.
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 litigation 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 litigation law firms are there based in Paris, France?
RevenueBase identified 114 patent litigation law firms headquartered in Paris, France 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?
Lavoix, headquartered in Paris, tops this list with the largest team on record.
Which city in France has the most patent litigation law firms?
Paris leads France with 114 headquartered companies, followed by Lyon (11) and Strasbourg (5).
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 375 verified decision-maker contacts tracked across these 114 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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