Head Office
78 avenue Raymond Poincaré


+33 1 4470 0704


Founded in 2004 by Nathalie Dreyfus, Dreyfus quickly became one of the top Intellectual Property law firms in France. Dreyfus team is well equipped to assist companies with particular expertise in IP/IT matters in France, the European Union and worldwide.

In an increasingly complex economic and legal environment, it has become imperative to efficiently protect, enhance and defend the essential assets of a company. Dreyfus purpose is to support its clients with all the flexibility and reactivity that its structure allows, while offering the most up-to-date skill-sets, especially regarding international issues in the field of new technologies.

When confronting problems, Dreyfus assists its clients through the decision-making process concerning the management and valorization of their intellectual property titles, in the business realm and on the internet.

With a Worldwide network, Dreyfus will represent companies in arbitration centers and courts all over the world. In terms of trademarks, designs, patents, copyrights, domain names, new gTLDs, social networks, Google Adwords and IT.

Advising major traditional industrial actors as well as small and medium-sized firms impacted by the rise of e-commerce and the increasing use of trademarks on the web, Dreyfus has mastered all the issues related to the internet presence of companies.

In addition, Dreyfus has established the Dreyfus IPweb® internet platform, an intuitive and interactive tool. This platform aims to consolidate and summarize all the information available to Dreyfus clients.

The firm’s expertise, investment and creativity ensure optimal management of the trademarks and models and domain names portfolios. Dreyfus is probably the most advanced French firm in the area of the management and protection of Intellectual Property Rights.

Business areas:

Domain names
New gTLDs
Software, Data Base and IT
Priority search
Registration, renewal, recovery
Monitoring services: internet, social networks, Google Adwords
Contracts negotiation and drafting
Internet and social networks presence strategy
Arbitration and Expertise

Dreyfus Features archive
IPPro The Internet
Courts are wrestling with the legal definition of users of social networks. Nathalie Dreyfus examines how they have done so far
Nathalie Dreyfus of Dreyfus in Paris offers 10 tips for selecting the most appropriate arbitration and mediation centre for disputing domain name registrations
French courts have wrestled with the legality of social media terms and conditions and have not shied away from challenging them, says Nathalie Dreyfus of Dreyfus
Nathalie Dreyfus puts forward the theoretical possibility that social media usernames could acquire distinctiveness
The introduction of new gTLDs has brought with it novel questions about how to decide whether a domain name is identical or confusingly similar to another’s trademark. Nathalie Dreyfus of Dreyfus reports
The age of new gTLDs has brought with it more opportunities for cybersquatters. Nathalie Dreyfus of Dreyfus & Associates reports
Nathalie Dreyfus of Dreyfus & Associates examines the hashtag and whether the prolific marketing and sharing tool can be protected as an intellectual property right
There are concerns surrounding the Network and Information Security Directive. Nathalie Dreyfus of Dreyfus & Associates examines the potential consequences of the draft legislation...
Nathalie Dreyfus of Dreyfus & Associates examines the journey that trademarks make once they leave the realm of the real
As TLDs are delegated into the domain name system each month, Nathalie Dreyfus of Dreyfus & Associates law firm considers the possibility of new applications
Nathalie Dreyfus of Dreyfus & Associates asks some key questions about the WHOIS system
Nathalie Dreyfus of Dreyfus & Associates provides an update on objections to new gTLDs