KT
Konstantin Tahtadjiev
Sofia, Bulgaria
Konstantin Tahtadjiev is a trademark firm in Sofia, Bulgaria, Top Rated for EU trademark work on the cumulative record, one of 571 firms filing in Bulgaria, strongest in Education, Advertising and Paper, acting for EUROPEAN NEUROGRAPHICA CENTER Ltd, LEAGUE EUIPO LTD. and Ivaylo Georgiev Arangelov.
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Selected from 571 firms filing in Bulgaria
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IPRATE.EUTop Rated
TRADEMARKS · 2026
Confidence
High Confidence. The published tier reflects the selected country, vertical, track, and time window.
Vertical
Track
Window
Performance
Trademarks · EU · Cumulative (20y)Rating
High Confidence
Archetype
Full-Service Generalist
Distinct Clients
135
Success Rate
97.0%
Volume100
Success89
Speed77
Durability75
Renewals89
Domestic17
Practice profile
Top classes
Education(15%) · Nice 41Advertising(9%) · Nice 35Paper(6%) · Nice 16
Top clients
- EUROPEAN NEUROGRAPHICA CENTER Ltd
- LEAGUE EUIPO LTD.
- Ivaylo Georgiev Arangelov
- National association of milky sheep breeders in Bulgaria
- Fashion Hub Ltd.