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Key practice areas
Intellectual property
Trade mark
Patent
Patent prosecution
Trade mark prosecution
Firm overview

The name IPSILON refers to the Greek alphabet and the scientific world. It embodies the excellence of the training, and the scientific and legal expertise of our employees, capable of understanding and mastering the complex issues related to innovation and intellectual property. The letters IP, present at the beginning of the name IPSILON, are the abbreviation for Intellectual Property, which constitutes the heart of our activity.

Address:
63 Av. du Général Leclerc, 92340 Bourg-la-Reine, France
Tel:+33 1 55 59 05 80 Web Address:https://www.ipsilon-ip.com/en
2026 Edition
Patent prosecution
Tier 3
17 firms ranked
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Tier 1

Beau de Loménie
7 practice areas
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Casalonga
8 practice areas
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Lavoix
6 practice areas
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Plasseraud IP
7 practice areas
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Regimbeau
5 practice areas
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Tier 2

Germain Maureau
6 practice areas
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Santarelli
6 practice areas
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Vidon Group
5 practice areas
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Tier 3

Bandpay & Greuter
3 practice areas
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Gevers
3 practice areas
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Ipsilon
5 practice areas
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Novagraaf
3 practice areas
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Other Notable Firms

HGF
1 practice area
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ICOSA
5 practice areas
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Jacobacci & Partners France
5 practice areas
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Murgitroyd
1 practice area
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abello IP
6 practice areas
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Trade mark prosecution - patent & trade mark attorney firms
Tier 3
13 firms ranked
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Tier 1

Beau de Loménie
7 practice areas
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Casalonga
8 practice areas
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Plasseraud IP
7 practice areas
View full profile
Santarelli
6 practice areas
View full profile

Tier 2

Germain Maureau
6 practice areas
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Lavoix
6 practice areas
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Novagraaf
3 practice areas
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Regimbeau
5 practice areas
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TMark Conseils
4 practice areas
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Tier 3

Gevers
3 practice areas
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Ipsilon
5 practice areas
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VINCZE IP
1 practice area
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Vidon Group
5 practice areas
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Clients are divided on what externally funded IP firms bring to the table, so those firms must prove why the benefits outweigh the downsides
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