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Intellectual Property

6 ranked lawyersSpotlight TableSpainEurope 2021 View ranking table
chambers review
department information
Ranked Lawyers
chambers review
department information
Ranked Lawyers

Chambers Review

Chambers Research is conducted by 200 Research Analysts, across 200 jurisdictions and provides nearly 6,000 rankings tables. Annually we collect hundreds of thousands of responses from clients, the majority via in-depth interview. Learn more about our methodology.

What the team is known for

Active litigation practice that complements renowned capabilities in patent and trade mark prosecution and management. Advises on applications to the Spanish or EU IP agencies and handles appeals against adverse decisions. Assists major international clients with trade mark infringement and anti-counterfeiting cases, including those that are accompanied by customs seizures and criminal prosecutions. Acts on patent disputes in the technology sector. Adds to non-contentious copyright capabilities through the hire of Mabel Klimt as head of the media department.


Interviewees note that key individuals in the team offer the "unique combination of native English language and both a technical and legal background."

Market commentators say that "the firm has a very strong client base in terms of brand owners."

Work highlights

Advised John Deere on criminal proceedings against a Lugo-based company selling counterfeit agricultural machinery.

Notable practitioners

One interviewee reports that Antonio Castán is "very smart and sophisticated in the way he explains things and the way he works." The same source goes on to praise Castán's negotiation skills, saying: "It is easy to reach a reasonable solution with him without wasting the client's time and money." Castán frequently handles litigation for key clients. Interviewees also note his copyright knowledge.

Enrique Armijo Chávarri attracts attention among market commentators for his presence in some of the firm's key patent litigation mandates. He also assists major brands with trade mark infringement and cancellation actions.

Sources say that Javier Fernández-Lasquetty is "always willing to listen to our specific needs and to look for a tailor-made solution." He has a broad IP practice that includes technology transfer mandates and actions taken to block the parallel import of protected products.

Within his role as head of the trade mark department, Luis Baz predominantly advises on the registration and prosecution of trade marks with the Spanish OEPM or the EUIPO. He also attracts praise from market commentators for his experience in trade mark litigation.

Mabel Klimt Yusti earns praise from interviewees for her experience working with media sector clients. As part of her wider media practice she advises on the licensing and assignment of copyright in television, film or theatre production agreements.

Department Information

This content is provided by Elzaburu.


ELZABURU is a European IP firm based in Spain and established in 1865. It is made up of lawyers, patent and trademark attorneys, engineers and graduates in chemistry, biology and physics. 

The firm deals exclusively with Intellectual Property rights in their broadest sense: all aspects of trademarks, patents, designs, copyright, software licensing & development and other IT matters, unfair competition, advertising law, domain names, antitrust law, media & entertainment and related fields. It offers a comprehensive range of services spanning the areas of registration and administrative procedures, contract law, and litigation. 

The firm's client base ranges from small companies and start-ups to large corporations in both the public and private sectors engaged in all areas of business, such as the food, aviation, banking, beverage, biotechnology, power, healthcare, manufacturing, media and entertainment, medical instrumentation, pharmaceutical, real estate, software, technology, and telecommunications industries. Historically, US and Japanese companies have accounted for the preponderance of clients.


Baz, Luis (Head of Department)

Castán, Antonio (Head of Department)

Fernández-Lasquetty, Javier (Head of Department)

Ahern, Colm

Beneyto, Luis

Bonzom, Catherine

Cadarso, María

Caselles, Juan J.

Donate, Ana

Espín, Cristina

Ilardia, Fernando

Klimt Yusti, Mabel

Lamíquiz, Xavier

López, Alba M.

Medina, Miguel A.

Mínguez, Manuel

Morán, Carlos

Rodríguez, Marta

Ruiz, Tránsito

Sainz de Marles, Juan M.

San Martín, José I.

Sanz, Ana

Torrecillas, Rosa

Úbeda-Romero, Javier









Media and entertainment

Medical instrumentation



Real estate


Telecommunications industries

Intellectual Property



Miguel Ángel, 21





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Ranked Lawyers

Chambers Research is conducted by 200 Research Analysts, across 200 jurisdictions and provides nearly 6,000 rankings tables. Annually we collect hundreds of thousands of responses from clients, the majority via in-depth interview. Learn more about our methodology.


Intellectual Property: Copyrights

Antonio Castán
Band 4
Mabel Klimt Yusti
Band 4

Intellectual Property: Patents & Trade Marks

Antonio Castán
Band 1
Enrique Armijo Chávarri
Band 2
Javier Fernández-Lasquetty
Band 3