Sergio de Juan-Creix

Lawyer - Partner


Sergio de Juan-Creix has developed much of his career as an associate lawyer at the firm Cuatrecasas. He also led the IP / IT team at BDO Abogados in Barcelona. After these stages in leading law firms in Spain, and encouraged by his own clients, he founded the law firm croma legal supported by the firm Copyrait and its partner Enric Enrich.

«During my 15 years of professional practice, I have acquired extensive experience in industrial and intellectual property, unfair competition, distribution, advertising, e-commerce and personal data. In other words, I provide legal advice on those matters related to technology, entertainment, artworks, commercial agreements and digital environments, on regulatory, contractual and litigation issues.

This constant exposure to innovation and creativity has allowed me to accompany and grow together with several technology or digital-based startups, even advising on shareholders agreements and investment rounds where intangible assets are a key factor. In addition to advise leading companies in their projects in these tech and digital fields. hand, in recent years and learning from my partner Enric Enrich, I have advised on multiple matters in the entertainment and cultural sector, such as contracts for the music and audiovisual industry, local and international co-productions or negotiation with platforms, among others, in addition to help our clients to resolve disputes in these areas.

In this sense, I use my experience in the mediation field to creatively resolve our clients' disputes.»

Sergio also combines his professional practice with teaching in the areas of advertising, data protection and intellectual property.

Sergio is a mediator for the World Intellectual Property Organisation (WIPO) and the Private Law Mediation Center of Catalonia, as well as arbitrator and mediator of the Arbitration Court of the Barcelona Bar Association (TACAB).

Finally, he has different certifications in the field of privacy, such as that of an auditor of technological environments by the Barcelona Bar Association (AAULETEC) and that of Certified Data Privacy Professional (CDPP).




Español, catalán, inglés y francés.



Sergio is the author of numerous articles on his areas of expertise and also collaborates with different media outlets.

Guidance notes on Spain Data Transfers

One Trust Data Guidance, septiembre 2022

One Trust Data Guidance has recently published guidance notes on Spain Data Transfers by our lawyers Sergio de Juan-Creix and Inés Millet. This global platform on privacy and security is the best way to stay up-to-date on evolving privacy and security regulations around the world. In this case, our lawyers give an overview of the Spanish legislation on data transfers.

Privacidad y algoritmos para combatir al coronavirus


Muchas son las medidas que los distintos Gobiernos europeos están adoptando o planean adoptar para combatir al coronavirus. El objeto de este artículo es analizar de una forma constructiva el impacto que pueden tener estas medidas en el ámbito de nuestra privacidad.