TJ
Troesch, Jacques J.
Switzerland
Troesch, Jacques J. is a patent firm in Switzerland, Rated for european patent work on the cumulative record, one of 584 firms filing in Switzerland, strongest in Electrical, Telecom and Chemistry, acting for Phonak AG, OC Oerlikon Balzers AG and TEL Solar AG.
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IPRATE.EURated
PATENTS · 2026
Confidence
Good Confidence. The published tier reflects the selected country, vertical, track, and time window.
Vertical
Track
Window
Performance
Patents · European · Cumulative (20y)Rating
Good Confidence
Archetype
Focused Practice
Distinct Clients
11
Success Rate
60.0%
Volume49
Success50
Speed43
Durability57
RenewalsN/A
Domestic53
Practice profile
Top classes
Electrical(14%) · IPC H01J37/34Telecom(11%) · IPC H04R25/00Chemistry(8%) · IPC C23C14/32
Top clients
- Phonak AG
- OC Oerlikon Balzers AG
- TEL Solar AG
- Oerlikon Trading AG, Trübbach
- Vectronix AG