Le Guen & Associés: your intellectual property consulting firm in Paris

Our firm, Le Guen & Associés, located in Paris, provides its expertise to all companies, both national and international. Our partners, agents, and advisors represent our clients before the Industrial Property Offices.


Trust us with any procedure, contractual, pre-litigation or litigation relating to any aspect of industrial and intellectual property on the internet.

Industrial property: our advice to protect your production

For large companies facing fierce and ongoing competition, as well as for startups needing protection, our firm provides tailored solutions. From advice and expertise to filing applications and monitoring procedures, our services are diverse. You can rely on an expert to inform you of your rights, represent you in litigation before any court, and leverage our team's network of expertise. Protecting your technologies is our specialty, thanks to our knowledge of patent law and industrial property protection.

The law firm Le Guen & Associates advises you on your rights in various areas

On the strategy for protecting innovation and defending industrial property.


On tax law: patents, for financial and tax engineering, on innovation projects and the organization of IP within corporate groups…


On company law: the formation of companies and its support in the legal areas of financial partnerships.


On social law: the recognition of inventors and innovators, management within multinational corporate groups…


On competition and distribution law: unfair competition, misappropriation of technical knowledge, breach of trust…


On intellectual and technological property law: protection and enhancement of creations, management of trademarks, designs and models…


Regarding litigation: mediation, settlement negotiations and legal proceedings in France and abroad concerning patents, assessment of damages…

Our multidisciplinary team of experts protects and defends your copyrights.

The firm Le Guen & Associés handles patent applications, trademark applications, counterfeiting cases, and validity studies of intellectual property rights…


Composed of engineers and lawyers with extensive technical experience, we prioritize quality and client interests. We protect industrial property rights, copyrights, and domain names across all technical and industrial sectors in France and worldwide.

Our firm's services include: patent filing, legal protection…

To promote and defend your interests, to protect you from abuse, shoddy workmanship and scams.


We advise you by providing effective and responsive professional expertise. We design protection strategies and support you in all sectors, both innovative and traditional. Our goal is to help you access support for your business development. We also help you take advantage of tax breaks or exemptions, as well as social security and employer contribution reductions.

Filing a patent protects your innovation and enhances the value of your initiatives.

Have you developed an innovative product or service in your industry and want to make it profitable? Filing a patent is essential to protect yourself from potential problems. A competitor could use your technology and disrupt your development strategy.


To ensure the sustainability and profitability of your invention, our firm assists you with patent protection, file preparation, and procedural monitoring. Your efforts are guaranteed by expert management from our team of lawyers and experts. In Paris, as in our other offices, your inventions benefit from our legal support to protect their creators and their innovation. Simplify the management of your invention and secure the necessary protection from the patent office with our specialists.

Filing a trademark application to protect your brand internationally

We provide a comprehensive service for filing trademark applications and proceeding with the granting process before French and European offices, and, through local intermediaries, before the office of any country, including the US, China, Japan, Korea, India, Brazil…

Intellectual property consulting: protect your creations with the help of an experienced firm

Intellectual property guarantees the exclusive rights to a creation for its author. Some innovations can be patented, while other creations fall under the umbrella of intellectual property. Our clients can rely on our firm in either case. Our team provides all the necessary advice to protect your creations. You benefit from legal protection and expertise to understand your rights. We work in the fields of fashion, the arts (music, photography, etc.), information technology, and many others. Contact us.