SP
Slenders, Petrus Johannes Waltherus
SpecialistPhysics · IPC G03Netherlands
Slenders, Petrus Johannes Waltherus is a patent firm in Netherlands, Rated for european patent work on the cumulative record, one of 485 firms filing in Netherlands, strongest in Physics and Plasma, acting for ASML Netherlands B.V., ASML Netherlands BV and ASML Holding N.V..
Next step: Counsel lookup·Commissioned analysis
Selected from 485 firms filing in Netherlands
For this firmGet embed code →
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
Focused Practice
Distinct Clients
9
Success Rate
50.8%
Volume74
Success64
Speed23
Durability81
RenewalsN/A
Domestic94
Practice profile
Top classes
Physics(62%) · IPC G03F7/20Plasma(11%) · IPC H05G2/00
Top clients
- ASML Netherlands B.V.
- ASML Netherlands BV
- ASML Holding N.V.
- Koninklijke Philips Electronics N.V.
- Koninklijke Philips N.V.