MI
María Isabel Castello Ferrer
MADRID, Spain
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IPRATE.EULeading
TRADEMARKS · 2026
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Confidence
High Confidence. The published tier reflects the selected country, vertical, track, and time window.
Vertical
Track
Window
Performance
Trademarks · National · Cumulative (20y)Rating
High Confidence
Archetype
Full-Service Generalist
Distinct Clients
70
Success Rate
100.0%
Volume97
Success88
Speed38
Durability88
Renewals95
Domestic7
Practice profile
Top classes
Pharma(19%) · Nice 5Advertising(14%) · Nice 35Clothing(11%) · Nice 25
Top clients
- GENERAL NUTRITION INVESTMENT COMPANY
- NEW BALANCE ATHLETIC, SHOE INC (MASSACHUSETTS CORPORATION)
- CELAYA, EMPARANZA Y GALDÓS INTERNACIONAL, S.A.
- BOIRON Société anonyme
- NOVAXA DENTAL IBERICA S.L.