КБ
Константин Богданов Костадинов
Sofia, Bulgaria
Константин Богданов Костадинов is a trademark firm in Sofia, Bulgaria, Rated for national trademark work on the cumulative record, one of 1,459 firms filing in Bulgaria, strongest in Advertising, Paper and Telecom, acting for "ЙЕТТЕЛ БЪЛГАРИЯ" ЕАД, AAdvantage Loyalty IP Ltd. and American Airlines, Inc..
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Selected from 1,459 firms filing in Bulgaria
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IPRATE.EURated
TRADEMARKS · 2026
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
Distinct Clients
13
Success Rate
83.3%
Volume100
Success55
Speed47
Durability53
Renewals62
Domestic28
Practice profile
Top classes
Advertising(23%) · Nice 35Paper(12%) · Nice 16Telecom(10%) · Nice 38
Top clients
- "ЙЕТТЕЛ БЪЛГАРИЯ" ЕАД
- AAdvantage Loyalty IP Ltd.
- American Airlines, Inc.
- Dextra Asia Co., Ltd.
- Guizhou Changjiang Automobile Co., LTD