Eduardo Castillo San Martín


Tel.: (+34) 91 582 91 00 
Fax: (+34) 91 582 91 14 

Send e-mail.

Partner. Head of the Intellectual Property and Information Technology Area.

Eduardo joined Gómez-Acebo & Pombo in 2008 and became a partner in 2012.


  • Master of Law from the Madrid Autonomous University in 1995. 

Professional career

Eduardo Castillo is specialised in industrial property, intellectual property and unfair competition, in particular, litigation in these disciplines. He was highlighted in the Chambers and World Trademark Review guides as one of the leading individuals in the area.

He is a habitual collaborator in national and international legal periodicals and publications, such as Intellectual Asset Management Magazine or Comunicaciones de Propiedad Industrial y Derecho de la Competencia, published by the Instituto de Derecho y Ética Industrial (CEFI).

He currently deals with patent lawsuits, mainly in the chemicals (pharmaceuticals) and biotechnological sectors. 


Spanish, English and Portuguese. 



Recommended Lawyer

The Legal 500 2018. Intellectual property: Copyright, Patents y Trade marks

The Legal 500 2018. Industry focus: Heathcare and life sciences



Leading Individuals

The Legal 500 2018. Intellectual property: Copyright, Patents y Trade marks



Chambers Global 2018. Intellectual Property: Patents & Trade Marks



Chambers Europe 2018. Intellectual Property: Patents & Trade Marks

Life Sciences: Patent Litigation



IPStar (2016) Spain. Patents


IPStar (2015) Spain. Patents

IP-Star-rosette 2



IPStar (2014) Spain. Patents

Logo Best Lawyers Spain 2013.jpg

Best Lawyers 2018 (since 2014). Intellectual Property Law

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International Who´s Who of Business Lawyers 2015. Patents

International Who´s Who of Business Lawyers 2015 (since 2013). Life Sciences


global firm

"Knows what he is doing in court and is good when it comes to procedures"
The Chambers Global 2017. Intellectual Property: Patents & Trade Marks


europe firm





"Very good"
The Chambers Europe 2017. Life Sciences

chambers partners

"Skill in analysing and implementing the best solutions to the legal issues that arise. He is able to stay one step ahead of how the law affects my company's needs.  He has excellent theoretical and practical knowledge."
The Chambers Global 2016. Intellectual Property

 chambers partners

Clients appreciate that Eduardo Castillo "gets closely involved in our company dealings and has a fine vision of what we can do to always be in front of our competitors."
The Chambers Global 2015. Intellectual Property

chambers partners

"An intelligent and quick lawyer who treats clients exceptionally well," Eduardo Castillo specialises in unfair competition and IP litigation.
The Chambers Europe 2015. Life Sciences

chambers partners

"We can call him at any time to ask him any question, and his response times are fantastic. The quality of the work he does is very good".
The Chambers Global 2014. Intellectual Property

chambers partners

Patent litigation expert Eduardo Castillo is highly valued by clients, who praise his response times and quality of work.
The Chambers Global 2014. Intellectual Property


The revered Eduardo Castillo is instrumental in many of these cases: "He has a lot of fans, he pleads well in court and always comes well prepared – he is someone you can be confident referring work to".

IAM Patent 1000 2013

chambers partners

Eduardo Castillo works alongside Ulloa in several patent litigation cases and is regarded by clients as "simply outstanding and a pleasure to work with".
The Chambers Global 2012. Intellectual Property

chambers partners

Sources commend Eduardo Castillo's litigation know-how, with impressed clients saying: "He displays a technically good understanding and a drive to move ahead".
The Chambers Europe 2012. Life Sciences


Biotechnology expert Eduardo Castillo acted for Novartis, illustrating his prowess in litigation.
IAM Patent 1000 2012


Eduardo Castillo San Martín is also "excellent".
WTR 1000 2012