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Key contacts
President: Alfonso D. Rivera Elzaburu
Managing Partner: Mabel Klimt
Quick facts
Year of Establishment

1865

Partners

14

Other qualified practitioners

45

Total number of practitioners

59

Languages

Spanish, English, French, German

Network memberships

AEDAF, AIPPI, ALADDA (ALAI), ALIA, ANDEMA, APAA, ASCOM, APEP, ASEBIO, ASEBOR, ASIPI, AEDM, COAPI, Club de Marketing Mediterráneo, DENAE, ECTA, EPI, FICPI, Foro de Marcas Renombradas, GRUR, INTA, LES España, Madrid Network, MARQUES, ORIGIN, PATE, PTMG, UNION IP

Key practice areas
Copyright & related rights
Intellectual property
Patent disputes
Trade mark disputes
Trade mark
Patent
IP transactions
Firm overview

Elzaburu is a European IP firm based in Spain and established in 1865. It is made up of a team of lawyers, trademark attorneys, and patent attorneys in the different specialized scientific fields.

The firm deals with intellectual property law in its broadest sense: trademarks, patents, designs, copyrights, software licensing and development, technology transfer, anti-counterfeiting and anti-piracy, unfair competition, domain names, personality rights, information technology, privacy issues, data protection, cybersecurity, and other commercial and financial issues relating to intangible assets, including valuation.

ELZABURU's 360º perspective enables us to furnish effective advice on all aspects of a company or individual’s creations. Working together, our lawyers, engineers, chemists, biotechnologists, and other professionals have the necessary business focus to be able to meet the needs of our clients, whatever they are, in all walks of business.

ELZABURU’s headquarters are based in Madrid and there are offices in Alicante and Valencia. Thanks to an extensive network of international associates and its dedicated team of international experts, the firm is also able to secure national coverage in all countries worldwide.

Other offices
  • Carrer d'Isabel la Catòlica, 8, L'Eixample, Valencia, 46004, Spain, mmb@elzaburu.es
Social media feeds
Practice Areas & Sector Specialisations

Key practice areas: 

Copyright, Copyright & related rights, Designs, Intellectual property, Intellectual property (contentious), Intellectual property (prosecution), Life sciences IP, Patent, IP transactions, Patent (contentious), Patent (prosecution), Trade mark, Trade mark (contentious), Trade mark (prosecution)

Sector expertise: 

Advertising, Automotive, Aerospace, Banking, Artificial intelligence, Biotechnology, Chemical, Construction and materials, Consumer goods and services, Fashion & luxury goods, Defence, Film, Electrical, Food and beverage, Gaming, Media, ICT & software, Pharmaceutical, Renewable energy, Tourism, Retail, Industrials, Publishing, Life sciences, Telecommunication, Universities & research

Address:
P.º de la Castellana, 259 C, 28th floor, Torre de Cristal Madrid
28046 Spain
Tel:+34917009400 Email:Contact Us Web Address:https://www.elzaburu.com/
2026 Edition
Copyright & related rights
Tier 2
18 firms ranked
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Tier 1

Cuatrecasas
7 practice areas
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ECIJA
5 practice areas
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Garrigues
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Grau & Angulo
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Uría Menéndez
7 practice areas
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Tier 2

Elzaburu
7 practice areas
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Gómez-Acebo & Pombo
8 practice areas
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HOYNG ROKH MONEGIER
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Santiago Mediano Abogados
7 practice areas
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Tier 3

Abril Abogados
6 practice areas
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Baker McKenzie
8 practice areas
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Bird & Bird
8 practice areas
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Pérez-Llorca
6 practice areas
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IP transactions
Recommended
9 firms ranked
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Recommended

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Tier 2

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Tier 3

Abril Abogados
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Elzaburu
7 practice areas
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Garrigues
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Patent prosecution
Tier 2
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Tier 1

ABG Intellectual Property
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Tier 2

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Tier 3

GALBAIAN Intellectual Property
4 practice areas
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Bardehle Pagenberg
4 practice areas
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PONTI & PARTNERS
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Trade mark disputes
Tier 1
21 firms ranked
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Tier 1

Bird & Bird
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Elzaburu
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Garrigues
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12 practice areas
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Hogan Lovells Cadwalader
4 practice areas
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Uría Menéndez
7 practice areas
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Tier 2

Abril Abogados
6 practice areas
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Baylos
6 practice areas
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Cuatrecasas
7 practice areas
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Gómez-Acebo & Pombo
8 practice areas
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HOYNG ROKH MONEGIER
8 practice areas
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Pérez-Llorca
6 practice areas
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Tier 3

Balder
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Pellisé Abogados
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Trade mark prosecution - patent & trade mark attorney firms
Tier 1
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Tier 1

Curell Suñol
3 practice areas
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Elzaburu
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PONS IP
6 practice areas
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Tier 2

Balder
6 practice areas
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Isern Patentes y Marcas
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6 practice areas
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Tier 3

ABG Intellectual Property
4 practice areas
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ClarkeModet
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Herrero & Asociados (H&A)
7 practice areas
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PONTI & PARTNERS
6 practice areas
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Other Notable Firms

Giró Martínez
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Santos IP
1 practice area
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Overview

Elzaburu remains a leading name for IP work in Spain. The firm is recommended for disputes and protection work. It has IP practitioners and technical specialists working together effectively to solve IP issues for its clients. The trade mark protection department is headed by Luis Baz.  

Notable lawyers:  Carlos Morán and Enrique Armijo Chávarri.  

Notable soft practitioners:  Mabel Klimt, Fernando Ilardia.  

Testimonials

2025

"They are all super friendly and nice people. It is a pleasure to work with them and meet them."

"Serious professional service and friendly staff."

"They provide excellent service, [pay] close attention to the client, and are fast and efficient."

A client likes the team's "guidance and proactive approach".

"Whether it's a simple or complicated problem, they have solutions. They are very decisive."

"Elzaburu has a high quality-cost ratio and a kind bond with us."

A client values the firm's "passion, knowledge, attention and care".

"Quick assistance, the best advice, and good prices."

Linked Reviews
Patent

The firm provided advisory services to Airbus pertaining to its aerospace suite and revenue streams. It also advised assorted telecommunications and engineering firms in litigation and settlement negotiations.

Trade mark

The practice acted for a beverage manufacturer in trade mark criminal litigation on an anti-counterfeiting pretext. Trade mark litigation and prosecution were also completed for the real estate sector.

Copyright & related rights

Case highlights include advice relayed to an audiovisual firm in IP tax incentivisation scheme guidance. It also obtained a judgement before the Alicante Court of Appeal in broadcasting litigation.

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