A History of Awards and Recognition

The pursuit of excellence has been a hallmark of ELZABURU since its inception as Spain’s leading intellectual and industrial property firm. This commitment to quality, specialization, and rigor has made us one of the Spanish firms with the strongest presence in international industry rankings and directories. This recognition reflects the trust of our clients, the track record of our professionals, and our ability to protect, defend, and maximize the value of ideas through our unique expertise.

Our Awards

One of the Spanish firms with the strongest presence in legal rankings and directories

Leading international rankings and directories consistently recognize our expertise, the technical quality of our teams, and a track record built on rigor, trust, and excellence in industrial and intellectual property.

16


International Rankings

37

Referred Professionals

13


's Practice Areas Listed

27

Consecutive years listed in Chambers Global

Featured Rankings

Recognition from leading industry organizations
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Recognized by Chambers Global for 27 consecutive years

Chambers Global Guide 2026

About the Ranking

One of the world's most prestigious and influential legal directories, compiled based on interviews with clients, industry professionals, and competitors. It evaluates aspects such as specialization, quality of advice, experience, and reputation of the firms.

Related News
ELZABURU has been listed in the Chambers Global Guide for 27 consecutive years, solidifying its track record in intellectual property
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The only Spanish firm listed in Band 1 in *Patent & Trade Mark Agents*

Chambers Europe Guide 2026

About the Ranking

One of the world's most prestigious and influential legal directories, compiled based on interviews with clients, industry professionals, and competitors. It evaluates aspects such as specialization, quality of advice, experience, and reputation of the firms.

Related News
ELZABURU, the only Spanish firm listed in Band 1 for Patent & Trademark Agents by Chambers & Partners Europe
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We achieved the highest scores on the Client Satisfaction metric: NPS®

Legal 500 Guide 2026

About the Ranking

The analysis, based on an independent research process, takes into account factors such as the team's experience, the quality and complexity of the matters handled, the firm's areas of specialization, its technical capabilities, and client feedback.

Related News
ELZABURU is once again recognized by The Legal 500 as one of the top Industrial and Intellectual Property firms in Spain
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We receive the highest recognition in trademark disputes and trademark prosecution

Managing IP Stars 2026

About the Ranking

An international publication specializing in intellectual and industrial property that recognizes the most prominent firms and professionals in this field. Its research covers various practice areas and more than 70 jurisdictions, analyzing the track records of the teams, the sophistication and significance of the cases handled, the results achieved for clients, and their standing relative to other firms in the market.

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Recognized in the categories of Patent Litigation, Prosecution, and Transactions

IAM Patent 1000 2026

About the Ranking

An international guide specializing in identifying the most prominent firms and professionals in the field of patents. Its research analyzes market activity, the track records of the teams, and the significance of the cases in which they are involved, while also incorporating the opinions of clients and other industry professionals.

Related News
ELZABURU is once again ranked among the leading patent firms according to IAM Patent 1000
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Seven renowned professionals in brand strategy and management

WTR 1000 2026

About the Ranking

An international guide specializing in the field of trademarks that identifies leading firms and professionals in more than 80 jurisdictions. The ranking recognizes the teams’ capabilities across the various aspects of trademark practice, from protection and management to enforcement and exploitation.

Related News
ELZABURU Earns a Gold Position in Prosecution in the WTR 1000
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Individual Awards
Behind every ranking are recognized professionals
Alba María López
"Alba López—hardworking and down-to-earth—shows incredible dedication to her clients; she's a true star."
WTR 1000
Antonio Castán
"Antonio Castán is a well-known figure in the field of intellectual property, particularly when it comes to defending patent rights. Castán is also highly regarded for his expertise in copyright law."
Chambers Global
Carlos Morán
“Carlos Morán is a leading authority in the field of litigation, personally selected by the world’s leading companies to unravel the complex challenges posed by unfair competition cases, and has extensive experience in cross-border litigation.”
WTR 1000
Colm Ahern
"Colm Ahern applies his engineering expertise to his patent practice. He achieves favorable results thanks to his specialized knowledge in numerous highly complex technical fields, ranging from telecommunications and the pharmaceutical industry to mechanical devices and solar energy."
IAM Patent 1000
Cristina Arroyo
"Cristina Arroyo specializes in global trademark protection and has in-depth knowledge of trademark law in a wide range of international jurisdictions."
WTR 1000
Enrique Armijo
“His defense work before Spanish and international courts demonstrates a deep understanding of intellectual property. Known for his strategic vision in complex cases involving infringement and unfair competition, he has secured landmark rulings that have helped shape Spanish case law on intellectual property.”
WTR 1000
Fernando Ilardia
"Fernando Ilardia leads the management and protection of portfolios for multinational companies with a high concentration of IP assets, skillfully handling complex cases before the OEPM and the EUIPO."
WTR 1000
Francisco Javier Sáez
"An outstanding professional with experience in three different fields: chemistry, pharmacy, and mechanics. He is extremely diligent and hardworking, with a great ability to secure patents quickly."
IAM Patent 1000
Inés de Casas
"Inés de Casas, a member of the Media and Entertainment team, stands out for her ability to negotiate and draft contracts and licenses."
Legal 500
Javier Úbeda-Romero
"Javier Úbeda-Romero has extensive knowledge of IP matters, both in and out of court."
WTR 1000
Luis Baz
"Luis is a highly skilled professional in matters related to trademarks and domain names, both nationally and internationally."
Chambers Global
Mabel Klimt
Mabel Klimt, Managing Partner at ELZABURU
"Their efficiency and talent have earned our loyalty and trust. Their ability to respond quickly gives us confidence in complex situations with various implications."
Chambers Global
María Cadarso
"Their work often begins before a conflict arises, through contract negotiation and strategic positioning aimed at preserving bargaining power and preventing escalation whenever possible."
IAM Patent 1000
Miguel Ángel Medina
“Miguel Ángel Medina is another highly experienced professional in the field of intellectual property proceedings, with more than 25 years of experience in intellectual property. He has particularly in-depth knowledge of issues related to geographical indications and appellations of origin, as well as advising on designs and domain names.”
WTR 1000
Pedro Saturio
“An industrial engineer and European patent attorney, she advises on high-tech projects in the aerospace, automotive, transportation, defense, energy, and construction sectors. She aligns drafting, prosecution, and defense strategies to ensure that intellectual property protection remains consistent as projects evolve and grow.”
IAM Patent 1000
Ruth Benito
Ruth Benito, Data Protection Counsel at Elzaburu
"Her work includes data protection impact assessments, risk analyses, and regulatory and litigation matters."
Legal 500
Ruth Sánchez
"He diligently supports clients from the inception of the invention through the grant of the patent application. He fully understands the inventor's language and asks the right questions to expand the scope of protection for the invention."
IAM Patent 1000

A Look at Our Awards and Rankings

A proven track record—
year after year
2026
Financial Times. Patent Law Firms
Media Law International
Patent Lawyer Magazine
Benchmark Litigation
2025
Financial Times. Patent Law Firms
Media Law International
Patent Lawyer Magazine
2024
2023
2022

Beyond the Practice of Law

Recognition of a
approach to the profession

Expansión Legal

7th Consecutive Award for Best Intellectual and Industrial Property Law Firm in Spain

Media Law International

Best Firm at the Media Law International 2026 Awards

Madrid Bar Association

Seal of Good Practices in Gender Equality in the Practice of Law
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