Company lists · Data refreshed September 2026
Top 25 Software patent law firms based in Finland
RevenueBase identified 38 software patent law firms headquartered in Finland as of September 2026 and tracks 778 professional contacts across them, including 565 with verified work emails and 88 with mobile numbers. Helsinki is the largest hub.
This list covers software patent law firms headquartered in Finland, 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 6, 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 software patent law firms based in Finland
Ranked by team size| # | Company | RevenueBase Smart Search | Contacts | ||
|---|---|---|---|---|---|
| 1 | Partial evidence | 286 contacts → | |||
“We are a trusted legal advisor in mergers and acquisitions, disputes and other specialised fields of business law.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 2 | Indirect evidence | 119 contacts → | |||
“Berggren has been at the forefront of intellectual property rights protection and exploitation for over 85 years.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 3 | Indirect evidence | 101 contacts → | |||
“Papula-Nevinpat is a Finnish, privately owned IP firm established in 1975.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 4 | Indirect evidence | 73 contacts → | |||
“Kolster is a team of experts in intellectual property rights and IP legal services.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 5 | Partial evidence | 47 contacts → | |||
“Laine IP Oy (LAINE Intellectual Property) is a patent and trade mark agency established in Helsinki in 1979.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 6 | Partial evidence | 28 contacts → | |||
“Properta – Leading boutique law firm in Finland in the fields of intellectual property, construction and real estate law.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 7 | Partial evidence | 15 contacts → | |||
“Moosedog Oy is an innovation company (patent attorney) with focus and expertises on novelty searches, innovation workshops, patenting and patent brokering.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 8 | Partial evidence | 15 contacts → | |||
“Heinonen & Co provides comprehensive global services for protecting, registering and maintaining patents, trademarks, designs and domain names.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 9 | Indirect evidence | 9 contacts → | |||
“Pro Juridica on osaava ja ketterä yritysjuridiikkaan keskittyvä asianajotoimisto.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 10 | Indirect evidence | 8 contacts → | |||
“Kespat has been a strategic partner in IP Matters to different variety of companies, small and large for the past 40 years.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 11 | Partial evidence | 7 contacts → | |||
“Teperi & Co Ltd is a law office specializing in business law.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 12 | Partial evidence | 7 contacts → | |||
“Primrose on teknologian suojaamiseen erikoistunut patenttitoimisto, joka auttaa kaikissa patentointiin liittyvissä asioissa.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 13 | Partial evidence | 7 contacts → | |||
“Kaulo & Partners is a leading law firm specializing in trademark protection and brand rights.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 14 | Partial evidence | 7 contacts → | |||
“We specialise in business law and dispute resolution, with a strong business-oriented approach.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 15 | Partial evidence | 5 contacts → | |||
“AKG Attorneys-at-Law is a law firm specialized on business law.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 16 | Indirect evidence | 4 contacts → | |||
“Asianajotoimisto Forte Oy on sekä yksityishenkilöitä että yrityksiä palveleva täyden palvelun asianajotoimisto.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 17 | Partial evidence | 3 contacts → | |||
“Reggster is a European based trademark law firm, helping clients to protect their brands globally.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 18 | Indirect evidence | 3 contacts → | |||
“Yritysten lakipalveluihin ja oikeudenkäynteihin erikoistunut lakitoimisto” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 19 | Partial evidence | 3 contacts → | |||
“BelayIP was started in 2016 by Joshua Wert in Helsinki, Finland as a patent prosecution firm and for IPR strategy consulting.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 20 | Indirect evidence | 3 contacts → | |||
“Asianajotoimisto Lakitalo on tamperelainen asianajotoimisto, joka on erikoistunut oikeudenkäynteihin, riitojen ratkaisuun ja liikejuridiikkaan.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 21 | Indirect evidence | 3 contacts → | |||
“Strategic Legal Solutions in the Heart of Helsinki.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 22 | Partial evidence | 2 contacts → | |||
“Wilmark Oy offers a comprehensive array of brand protection and intellectual property law services, specializing in trade marks and designs.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 23 | Partial evidence | 2 contacts → | |||
“Ahremaa Oy on uusi turkulainen patenttitoimisto, jossa asiamiehenä toimin minä, Teppo Ahremaa.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 24 | Partial evidence | 2 contacts → | |||
“Lögberg is an agile boutique law firm based in Helsinki, Finland, focusing on startups and growing IT and innovative companies.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 25 | Partial evidence | 1 contacts → | |||
“Berg Legal is a boutique law firm delivering tailor-made, high-end legal solutions for companies and individuals.” Source: company website · checked Sep 6, 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: software patent 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 software patent law firms.
- Partial evidence
- Its own public description names part of software patent law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name software patent 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.
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Software patent law firms based in Finland at a glance
As of Sep 6, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 software patent 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 Finland whose own description of what they do matches “software patent 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 software patent 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 software patent law firms, and records with no verified work email. Companies headquartered outside Finland 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, 565 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 6, 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 software patent 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 software patent law firms are there based in Finland?
RevenueBase identified 38 software patent law firms headquartered in Finland 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?
Castrén & Snellman, headquartered in Helsinki, tops this list with the largest team on record.
Which city has the most software patent law firms?
Helsinki leads with 22 headquartered companies, followed by Espoo (3) and Oulu (2).
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 565 verified decision-maker contacts tracked across these 38 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 6, 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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