Your dedicated Team

Holder of an engineering degree (major in electrotechnics), Claude GUIU started his career in the R&D department of Brown Boveri, an international company particularly specialized in engine technology.

His taste for innovation and entrepreneurship led him thereafter to create several documentation centres under the aegis of INPI and AFNOR, and then to create his own IP firm in Dijon, Paris, Strasbourg, Lyon, Chalons-en Champagne and more recently Besançon.

With more than thirty years of experience in Intellectual Property, he now has deep knowledge and mastery of the procedures and strategies to value innovation. He is also duly registered with the French and European IP Offices, and acts as a legal expert before the Court of Appeal of Dijon where he handles infringement cases.

Finally, Claude GUIU has for more than forty years transmitted his knowledge and expertise to adults or students of French universities, business schools or engineering schools. He naturally trains the young engineers who join the firm.

After a first scientific training, Dorian GUIU studied law, a career path he wanted to follow from an early age. Passionate about law, he received many university and professional awards in the years since.

He chose to specialize in IP Law after a Bachelor Degree in Business Law and a DESS in Tax Law. After several experiences in Dijon and Paris in law and accounting firms, he joined the profession of Attorney-at-law and graduated as valedictorian from the Regional Lawyer School of Grand Est Strasbourg. Immediately afterwards, he created a firm specialized in business law with other partners, serving companies and their managers in the Dijon area where he led the IP and New Technologies Department for nearly two years.

He joined JurisPatent in 2013 to reinforce the Legal Department. Thanks to his dual scientific and legal training and his background as a former lawyer, he has been able to share his expertise in litigation cases relating to trademarks, designs, copyrights and patents, as well as in contractual engineering.

Since 2017, Dorian GUIU is managing the Legal Department of GUIU IP. He handles and oversees all of the legal cases but intervenes more specifically in studying trademarks and designs validity (trademark availability searches, etc.), he determines the filing strategies the defense of the rights, he analyses trademarks, designs and copyrights infringement, as well as the negotiations and the drafting of IP agreements.

Furthermore, he regularly publishes articles, notably in the specialized periodical “Industrial Property” (LexisNexis edition) and frequently participates in conferences or trainings for various audience (institutional actors, other legal professionals, companies, etc.)

Since 1986, Chantal GUIU has been managing the Administrative Department of GUIU IP. Assisted by a team of IP Paralegals, she oversees the administrative handling of the cases. She is also particularly involved in the management of the matters related to patents and she regularly liaise with foreign associates.

Aurélie GUIU now assists her in her functions.

Sandrine GUIU holds the highest French degree in the teaching of English linguistics and a Specialised Master degree in International Affairs at ESSEC Business Schools, which reflect her passions for linguistics and for brands and marketing. After a first experience in a trademark strategy-consulting firm, where she worked for foreign clients, she joined the Marketing Department of Atlas Editions in Paris. These experiences fostered her awareness of the crucial importance of intellectual property in marketing. She realized that Marketing and Legal were hard to reconcile since their respective interests and constraints often seemed in contradiction: it is this tension which ignited her interest in IP law, which she turned to with passion.

In 2007 she joined GUIU IP and got her law degree in IP at the University of Strasbourg, with honours. Several years afterwards, she successfully got her professional exams and became a registered Trademark and Design Attorney.

For almost ten years, she has handled trademark and design portfolios of clients worldwide. She has gained considerable experience of the handling of inter partes actions before the French Office (INPI) and the European IPO (EUIPO).

She also created and developed an international department within the firm, which she has managed with lawyers and paralegals.

Finally, she regularly teaches intellectual property in higher education institutions (ESSEC, ESIREM, ESC, etc.) and provides training meant for the marketing teams of private companies.

Holder of a PhD in Biology from the Medicine University of Reims, Stéphane OUDIN devoted his first years of experience to research, notably in the field of biotechnology.

Interested in the value of both scientific and economic research and development work, he specialized in industrial property protection and obtained the CEIPI degree in 2000 (major in patent law). He then joined the IP Department of the biopharmaceutical Company Transgene, listed in the Nasdaq and the Paris Stock Exchange, where he developed his patent expertise, notably by drafting patents, monitoring the procedures (in particular in Europe, the United States, Canada, Japan and Australia), conducting freedom-to-operate searches and supporting the teams in charge of enhancement.

Stéphane OUDIN then chose to put his experience and expertise in patents at the service of companies and public research centres. In 2008, he joined the Patent Department of GUIU IP. He is now managing the Offices of Reims and Paris.

As a French and a European Patent Attorney, he has assisted and represented clients before the INPI and the European Patent Office (EPO), where he goes for oral proceedings. He handles matters with a European or an international dimension on a daily basis, from the follow-up of the patent procedures, the drafting of the application, the negotiation of license agreements, to the devising of industrial property strategies and the handling of patent disputes.

Finally, he frequently works with companies or research centres and institutions to raise IP awareness and address IP issues in depth.

Holder of an engineering degree from the ENSAIS Engineering School, Raynald GAUCHE first joined the Atomic Study Centre of Valduc where he participated in a study on a high efficiency suction and filtration system. He then worked at EUROSILENCE as a R&D Engineer in industrial acoustics, then as project manager for the design of acoustic buildings, before taking over the management of the Design Office, where he handled all the technical matters of the company and supervised the mechanical calculations.

With awareness of the strategic value of research work for companies, he focused his interest on intellectual property and joined GUIU IP in 2007 to reinforce the Patent Department.

Raynald GAUCHE now assists the clients of GUIU IP in the proceedings before the French and foreign Patent Offices (European, American, etc.), drafts patent applications until they are granted, and enforces clients’ patent rights when necessary.

Marie PUSEL began her career in 2003 and since than she has worked in well-known firms in Paris. IP Attorney and European Attorney since 2007, she handles trademark, design and copyright cases in France and abroad.

During her career, she has been led to assist companies of all sizes, notably ETI and world-leading groups in their fields. She particularly acts in defending IP strategies, establishing and defending rights, auditing portfolios and enhancing titles.

Member of the CNCPI, APRAM and INTA, referenced by the World IP Review, Marie PUSEL joined JurisPatent in 2019.

After a first scientific training, Aurélie GUIU performed higher education in law before specializing in industrial property. Holder of a Bachelor Degree of Business Law and graduated of CEIPI, she joined GUIU IP in 2009.

She intervenes as a Trademark, Designs and Copyrights Attorney (protection strategies in France and abroad, availability searches, establishment of rights, response to office actions, drafting of agreements, handling of litigations, etc.), mainly for clients who are also assisted by GUIU IP in patent matters.

She is also in charge, with Dorian GUIU, of legal tasks relating to the protection and enhancement of technical innovations. In this context, she drafts agreements regarding patents and know-how and she is regularly in contact with the clients and prospects of GUIU IP, to answer to all their questions regarding technical innovations where the intervention of an engineer is not required (financing requests; examination procedures, agreements, etc.). She also provides the first advice and information on possible protection strategies and on most of the important rules regarding protection.

Holder of a degree in Materials Engineering, a DUT in Electronics and Informatics, Amina GIRIN – AFROUNN notably began her career as an engineer in the nuclear area for EDF and Framatome.

She also holds a Master degree in Business Administration and she has developed an early and strong interest in Industrial Property and innovation.

She joined the Technical Department of GUIU IP in 2018 with a rich technical background and with her expertise in the fields of materials, electronics and informa

After a first experience in law firms, where she has been able to comprehend the litigation and contractual aspects of business law and more particularly IP law, Emilie NAISSON joined the IP Department of SEB GROUP. She was then in charge of managing a portfolio of rights at an international level and she worked with the internal operational teams to handle issues mainly relating to trademarks and designs both in France and abroad. This experience enabled her to appreciate the concrete challenges facing companies, daily reconciling legal aspects with practical and economic considerations.

She joined JurisPatent in 2015 where, thanks to her training and background, she handles in a versatile way legal cases mainly relating to trademarks, designs and copyrights with both a French and International dimension. She assists clients notably to secure and establish rights, and for litigation procedures, negotiations and drafting of agreements.

Après une première expérience dans l’accompagnement d’entrepreneurs à l’élaboration de leur Business Plan, où il a pu appréhender les aspects juridiques, marketing et financiers d’un modèle économique d’entreprise, Christian MULENET intègre l’Institut National de la Propriété Industrielle.

En tant que responsable de la délégation régionale de l’INPI en Bourgogne Franche-Comté, il avait pour mission de promouvoir largement la propriété industrielle auprès d’entreprises de toute taille, de la start-up au groupe industriel.

Afin de les aider à améliorer leur compétitivité, il se spécialise dans le management stratégique de la propriété intellectuelle :  veille stratégique, protection de l’innovation et du savoir-faire, évaluation et valorisation, économie des contrats et des litiges.

Désireux de s’orienter davantage vers une mission de conseil aux entreprises, il obtient le diplôme du CEIPI, valide son inscription sur la liste des personnes qualifiées en propriété industrielle puis rejoint le Cabinet en 2021.

Fort de son expérience, il accompagne les clients dans une approche globale et transversale de la propriété intellectuelle : il les aide à en optimiser le management et à définir une stratégie de protection à long terme qui soit en adéquation avec leur modèle économique.

Sa formation juridique lui permet également de sécuriser tous les aspects contractuels liés à l’innovation.

Par ailleurs, il intervient fréquemment dans le cadre d’actions de sensibilisation à destination d’un public varié et pratique des enseignements au sein de différentes écoles d’ingénieurs.

Christian MULENET est Responsable du bureau de Besançon.