Managing Partner

Avda. de Burgos 16D - Edificio Euromor

+34 91 417 13 00

Patent star 2022



Practice areas:

Patent litigation
Patent prosecution
Patent strategy & counseling

Industry sectors:

Life sciences
Oil & gas

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).
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 European Patent Institute (EPI) Council, and member of its Patent Litigation Committee, as well as member of the Biotech Committee of the AIPPI. He is also a tutor for several chemical and patent courses, including the European Patent Law Course in Madrid (EPI-CEIPI).

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

  • Spanish Patent and Trademark Agent (2003)
  • European Patent Attorney (EQE, 2004)
  • Universidad Complutense de Madrid, M.Sc. Chemistry (1986)
  • Université de Strasbourg, CEIPI, Diploma on patent litigation in Europe (2013)


Last updated 23rd June 2021