JC
Juan Carlos Sierra Martín
Spain
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Rated in a market of 2,931 firms filing in Spain
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IPRATE.EUSelect
TRADEMARKS · 2026
Confidence
High Confidence. The published tier reflects the selected country, vertical, track, and time window.
Vertical
Track
Window
Performance
Trademarks · National · Emerging (5y)Rating
High Confidence
Archetype
Full-Service Generalist
Distinct Clients
4
Success Rate
100.0%
Volume36
Success53
Speed50
DurabilityN/A
RenewalsN/A
Domestic41
Practice profile
Top classes
Advertising(33%) · Nice 35Finance(33%) · Nice 36Construction(33%) · Nice 37
Top clients
- Antón Navarro Cruz
- Karla Ivette Cerrillo Valle
- William Joseph Dooner
- Juan Francisco Vigil Oliver