Our Firm


Awards and Rankings

Innovation Technology and Intellectual Property Report (ITIP) 2016




Best IP/IT law firms 2016

ELZABURU has been selected as "Leading firm" in trademark prosecution and "Excellect firm" in patent prosecution, trademark litigation and patent litigation. "One of the oldest IP firms in Spain, Elzaburu is very active in the pharmaceutical sector and advices both national  and multinational companies in patent matters. The firm is best known for its trademark prosecution work and its long list of clients...".

Partners mentioned:

  • Patent prosecution: Francisco J. Saez and Pedro Saturio
  • Patent litigation: Antonio Castán
  • Trademark prosecution: Alberto Elzaburu, Antonio Tavira
  • Trademark litigation: Enrique Armijo Chávarri

IAM Patent 1000 2016


World's leading patent practitioners

"A prime pick for one-stop shopping, Elzaburu offers an A-to-Z patent service to clients of all stripes, with validation of EPO applications a real forte. The contentious squad is a frequent fixture in ground-breaking court cases and its win rate has Fortune 500s queuing up outside the door. Litigation chief Antonio Castán is "brilliant": "He is seasoned, clever expert with a great personality. He does a thorough job and has no problem maintaining control in complex multi-jurisdictional cases. He holds your hand and doesn't let go". On the prosecution side, gifted draftsman Francisco Sáez consistently crafts robust patents that can withstand the harshest scrutiny. "He will fight for whatever you need. Agile when it comes to filing, he always seems to know the right approach for a patent application. He is extremely capable of understanding technical aspects and then translating this for the ease of the examiner, and is an excellent communicator". Javier Fernández-Lasquetty is the go-to guy for start-up and medium-sized tech companies. He can provide assistance across the board, but is especially effective on transactions - the smooth-talking negotiator always scores favourable outcomes for patrons"

WIPR Leaders: Trademarks 2016




The leading guide to trademark practitioners worlwide 2016.

ELZABURU·partners Antonio Castán, and Javier Fernández-Lasquetty are included as some of the best trademark lawyers in Spain.

Foro de Marcas Renombradas Españolas
Atlas de de marcas
Yo Soy Original
ELZABURU Lawyers and Consultants<br />P. Industrial and Intellectual

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