DH
Danuta Hryszkiewicz
Koszalin, Poland
Danuta Hryszkiewicz is a patent firm in Koszalin, Poland, Rated for european patent work on the cumulative record, one of 268 firms filing in Poland, strongest in Chemistry, Organic and Electrical, acting for Tianjin Hemay Bio-Tech Co., Ltd, Jiangxi JDL Environmental Protection Co., Ltd. and Lin, Bo.
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Selected from 268 firms filing in Poland
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IPRATE.EURated
PATENTS · 2026
Confidence
High Confidence. The published tier reflects the selected country, vertical, track, and time window.
Vertical
Track
Window
Performance
Patents · European · Cumulative (20y)Rating
High Confidence
Archetype
Full-Service Generalist
Distinct Clients
69
Success Rate
50.7%
Volume92
Success69
Speed31
Durability75
RenewalsN/A
Domestic8
Practice profile
Top classes
Chemistry(2%) · IPC C02F3/12Organic(2%) · IPC C07D498/18Electrical(2%) · IPC H01M2/10
Top clients
- Tianjin Hemay Bio-Tech Co., Ltd
- Jiangxi JDL Environmental Protection Co., Ltd.
- Lin, Bo
- Grandhope Biotech Co., Ltd.
- Porton Fine Chemicals Ltd