Who Are the Best Patent Firms in Finland? (2026)

IPRATE analysed 228 firms across 30,983 European (EPO) patent filings in Finland; 105 firms met the evidence thresholds and are ranked below (tiers, highest first: Elite, Leading, Proven, Select). Based on official EUIPO, EPO and national IP office records. Ratings are never sold or sponsored.

Comparing patent firms in Finland

This table compares European (EPO) filing records for the country shown. Start with the rating tier, then compare annual filing volume, outcomes and confidence on each firm profile. Compare like-for-like practices and periods: a high success rate on a small record is different evidence from the same rate across a large portfolio.

Compare the firm's technical subject areas and filing experience, then discuss drafting, prosecution and the jurisdictions you need. Use the published record to build a shortlist and confirm the fit with the firm. Filing outcomes describe the measured work; they do not establish litigation experience or predict the outcome of your case.

Rating methodology Source data and citation

#	Firm	City	Tier	Vol/yr	Success	Speed	Renewals
1	LEITZINGER	Helsinki	Elite	20.772727	58%	1859d	N/A
2	Suominen, Kaisa Liisa	Helsinki	Elite	9.25	50%	1380d	N/A
3	Moosedog	Turku	Elite	26.583333	68%	1085d	N/A
4	Aaltonen, Janne Lari Antero	Turku	Elite	17.454545	65%	1417d	N/A
5	Kespat	Jyväskylä	Elite	15.391304	64%	1722d	N/A
6	Asianajotoimisto Heinonen & Co	Helsinki	Elite	17.7	60%	1984d	N/A
7	Väänänen, Janne Kalervo	Espoo	Elite	9.526316	81%	1612d	N/A
8	Berggren Oy, Helsinki & Oulu	Helsinki	Elite	88.125	68%	1916d	N/A
9	Espatent	Helsinki	Elite	40.782609	64%	2371d	N/A
10	Finnpatent	Raisio	Elite	10.076923	78%	1696d	N/A
11	Berggren Oy, Turku	Helsinki	Elite	13.0625	70%	1845d	N/A
12	Aulis Valdemar Gustafsson	Helsinki	Elite	7.6	95%	1261d	N/A
13	Boco IP	Helsinki	Elite	50.956522	67%	1854d	N/A
14	HEINÄNEN OY PATENT AGENCY	Vantaa	Elite	10.533333	45%	2283d	N/A
15	Brax, Matti Juhani	Helsinki	Elite	16	37%	1655d	N/A
16	Tognetty, Virpi Maria	Espoo	Elite	31	21%	1569d	N/A
17	Pursiainen, Timo Pekka	Helsinki	Elite	16.25	42%	1854d	N/A
18	Kaukonen, Juha Veikko	–	Elite	7.142857	36%	1423d	N/A
19	Antila, Harri Jukka Tapani	Helsinki	Elite	11.166667	30%	1610d	N/A
20	Kolster	Helsinki	Elite	183	67%	1963d	N/A
21	Tapio Lassi Paavali Valkeiskangas	n/a	Elite	14	69%	1501d	N/A
22	Niemi, Hakan Henrik	Vaasa	Elite	4	50%	1278d	N/A
23	Pertti Tauno Juhani Järveläinen	Vantaa	Elite	4.555556	41%	1283d	N/A
24	Salomäki, Juha Kari Ensio	Hyvinkää	Elite	8.045455	49%	1940d	N/A
25	Veräjänkorva, Janne	Porvoo	Elite	4.571429	78%	1394d	N/A
26	Tanhua, Pekka Vilhelm	–	Elite	5.571429	36%	1178d	N/A
27	Langenskiöld, Tord Karl Walter	Helsinki	Elite	4.666667	37%	2037d	N/A
28	Wilenius, Jami Juhani	Kuopio	Leading	3.6	83%	1556d	N/A
29	Aarnio, Ari Antero	–	Leading	12.125	13%	2616d	N/A
30	Hovinen, Jari Juhani	Helsinki	Leading	2.25	77%	1402d	N/A
31	Kangasmäki, Reijo Holger	Tampere	Leading	4.052632	55%	2079d	N/A
32	Väisänen, Olli Jaakko	–	Leading	2.555556	50%	1468d	N/A
33	Berggren	Helsinki	Leading	234	68%	1912d	N/A
34	Laine IP	Helsinki	Leading	116	67%	2160d	N/A
35	Pykälä, Timo Tapani	–	Leading	4.714286	33%	1183d	N/A
36	Sundman, Patrik Christoffer	Helsinki	Leading	9.25	43%	1712d	N/A
37	Holmström, Stefan Mikael	Helsinki	Leading	4.25	47%	1138d	N/A
38	Primrose	Helsinki	Leading	7.7	68%	1720d	N/A
39	Laine, Terho Tapio	–	Leading	5.444444	39%	1679d	N/A
40	Finnilä, Kim Larseman	–	Leading	4.5	96%	1221d	N/A
41	Svensson, Johan Henrik	–	Leading	4.5	57%	1637d	N/A
42	Heikkinen, Esko Juhani	–	Leading	4.142857	62%	1418d	N/A
43	Arvela, Sakari Mikael	Helsinki	Leading	4.5	48%	1615d	N/A
44	Unto Tapani Hakola	Tampere	Leading	5.111111	52%	1562d	N/A
45	Konkonen, Tomi-Matti Juhani	Helsinki	Leading	6.8	26%	1406d	N/A
46	Lamberg, Samu Petteri	Helsinki	Leading	5.444444	33%	2201d	N/A
47	Pirhonen, Kari Lennart	Turku	Leading	2.764706	40%	2263d	N/A
48	Matilainen, Mirja Helena	Helsinki	Leading	5.777778	23%	1720d	N/A
49	Rahkonen, Erkki Juhani	–	Leading	9.125	27%	1812d	N/A
50	Taisto Nieminen Patenttitoimisto T Nieminen	Tampere	Leading	4	33%	1815d	N/A
51	Papula	Helsinki	Leading	110	66%	2111d	N/A
52	Lipsanen, Jari Seppo Einari	Helsinki	Leading	2.4	52%	1491d	N/A
53	Genip	Kotka	Leading	15.318182	87%	1629d	N/A
54	Timo Sole Leitzinger	Helsinki	Proven	1.538462	60%	1336d	N/A
55	Saijonmaa, Olli-Pekka	–	Proven	5.833333	62%	2006d	N/A
56	Määttä, Jukka Tapani	–	Proven	5.444444	23%	1935d	N/A
57	Kuosmanen, Timo	–	Proven	4.166667	48%	1546d	N/A
58	Maskula, Silla Marjatta	–	Proven	4.444444	43%	1743d	N/A
59	Vanhala, Jorma Kalevi	–	Proven	4.333333	38%	1515d	N/A
60	Söderholm, Sampsa Petteri	–	Proven	5.571429	30%	2447d	N/A
61	Smolander, Jouni Juhani	–	Proven	2.363636	54%	1325d	N/A
62	Kalliola, Sanna Marketta	–	Proven	5.625	30%	2274d	N/A
63	Nylund, Solveig Helena	–	Proven	8	35%	1977d	N/A
64	Karvinen, Leena Maria	–	Proven	4.2	15%	1988d	N/A
65	Väänänen, Mikko Kalervo	–	Proven	1.5	74%	1556d	N/A
66	Rönkkö, Taina Mirjam	–	Proven	5.5	59%	1884d	N/A
67	Koivisto, Harri Kristian	–	Proven	3.157895	57%	1857d	N/A
68	Kupiainen, Juhani Kalervo	–	Proven	3	31%	1640d	N/A
69	Tiilikainen, Jarkko Tapio	–	Proven	3.25	44%	1673d	N/A
70	Jarmo Tapio Tanskanen	Helsinki	Proven	3.166667	47%	1465d	N/A
71	Kinnunen, Kari Tapio	–	Proven	2.05	67%	1873d	N/A
72	Savolainen, Seppo Kalevi	–	Proven	4.6	52%	1458d	N/A
73	Hannu Pitkänen Patenttitoimisto Pitkänen	–	Proven	4.5	40%	2057d	N/A
74	Söderman, Lisbeth Karin	–	Proven	6.625	25%	1846d	N/A
75	Virkkala, Antero Jukka	–	Proven	4.285714	34%	1701d	N/A
76	Simmelvuo, Markku Kalevi	–	Proven	8.833333	23%	1425d	N/A
77	Devine, Christopher	Helsinki	Proven	5.333333	100%	1158d	N/A
78	Nissinen, Jyrki Antero	–	Proven	3.5	86%	1352d	N/A
79	Lyytinen, Veera Elise	–	Proven	2.142857	67%	1916d	N/A
80	Ansala, Jyrki Matti	–	Select	3.666667	70%	1528d	N/A
81	Karppinen, Olavi Arto	–	Select	2.125	47%	1564d	N/A
82	Äkräs, Tapio Juhani	–	Select	8.833333	35%	1640d	N/A
83	Klaus Roitto Kolster	Helsinki	Select	2.2	45%	897d	N/A
84	Timo Kalervo Helino	Helsinki	Select	5.666667	26%	1536d	N/A
85	Haimelin, Jukka Ilmari	–	Select	3.5	33%	1778d	N/A
86	Brockman, Pertti Erik	–	Select	2.857143	26%	1740d	N/A
87	Salonen, Kauko Tuomas	–	Select	2.555556	39%	1635d	N/A
88	Eriksson, Svante Johan Christer	–	Select	3	19%	1194d	N/A
89	Heikki Lahti Patenttitoimisto Heikki Lahti	–	Select	0.75	15%	1541d	N/A
90	Laako, Tero Jussi	–	Select	3.285714	41%	1512d	N/A
91	Carl Christian Westerholm	Helsinki	Select	3.333333	28%	2424d	N/A
92	Hjelt, Pia Dorrit Helene	–	Select	2.666667	56%	1546d	N/A
93	Pauli Sakari Laitinen	Espoo	Select	4.4	19%	2069d	N/A
94	Ann-Marie Öhman Turun	Turku	Select	2.2	55%	1982d	N/A
95	Levlin, Jan Markus	–	Select	0.8	22%	1546d	N/A
96	Knuth-Lehtola, Sisko Hillevi	–	Select	1.625	23%	1285d	N/A
97	Pekka Heinänen Heinänen	Vantaa	Select	3.111111	36%	1681d	N/A
98	Sorvari, Marjut Riitta Tuulikki	–	Select	1	67%	3041d	N/A
99	Savela, Antti-Jussi Tapani	–	Select	2.428571	47%	2593d	N/A
100	Huhtanen, Ossi Jaakko	–	Select	3.166667	37%	1699d	N/A
101	Partio, Erja	–	Select	2	17%	1179d	N/A
102	Hakkila, Maini Annika	–	Select	2.285714	44%	1471d	N/A
103	Boije-Backman, Solveig Magdalena	–	Select	1.833333	45%	1671d	N/A
104	Lax, Monica Ingeborg	–	Select	3	17%	1326d	N/A
105	Värilä, Risto Sakari	–	Select	2.5	50%	1691d	N/A

Explore the interactive Finland rankings (sortable, with designs, patents and emerging-window views), the methodology, or the FAQ.