Juan Arias

Juan Arias

Managing Partner

Professional Qualifications

  • Spanish Patent and Trademark Agent (2003)

  • European Patent Attorney (EQE, 2004)

  • European Trademark and Design Attorney

  • Representative before the Unified Patent Court (2023)

Academic Qualifications

  • Universidad Complutense de Madrid, M.Sc. Chemistry (1986)

  • Centre d’études internationales de la propriété intellectuelle (CEIPI) – Université de Strasbourg (France), Diploma on patent litigation in Europe (2013)

Juan co-founded ABG in 2003. He has more than 30 years of patent experience. His practice focuses on patent prosecution, including EPO oppositions, opinion work, including freedom to operate and validity opinions, and litigation support in the areas of organic chemistry and pharmaceuticals. Additionally, he has participated as a technical expert in numerous cases of patent litigation in Spain.

Juan is a qualified European Patent Attorney (EQE, 2004) and a Spanish Patent and Trademark Agent (2003). He became Representative before the Unified Patent Court in 2023.

“A founding architect of the firm, Juan Arias continues to shape ABG’s approach to portfolio development and high-level patent strategy.

With deep experience before the EPO, he has been involved in the construction and defence of patent families designed to withstand opposition and appeal scrutiny.

His work is particularly valued by clients operating in research-intensive sectors, where early drafting decisions can determine the commercial lifespan of an invention”

IAM Patent 1000 (2026)

Before founding ABG, Juan headed the Chemistry Department at a Spanish IP firm in Madrid (2000 to 2003) and was an examiner at the European Patent Office in Munich (1991-2000). Prior to his patent career, Juan performed research on protein chemistry at the Max-Planck-Institut für Biochemie in Munich (1989-90).

He has published articles in peer-reviewed journals (Biochemical Journal, etc.).

Juan is member of the Patent Litigation Committee of the European Patent Institute (epi). He is also a tutor for several chemical and patent courses, including the European Patent Law Course in Madrid (EPI-CEIPI) and the Magister Lvcentinvs (Universidad de Alicante).

Juan is a native Spanish speaker and is fluent in English and German.

Email: [email protected]

Vcard

Accolades

  • European Patent Office, Recommended Individual, IAM Patent 1000

  • IAM Global Leaders

  • Patent Star, IP stars, Managing IP

  • Recommended practitioner, Leaders League

  • Recommended individual, Who is Who Legal