Klaus Castell

Germany

Klaus Castell is a patent attorney at Prof. Dr. Klaus Castell in Germany, Top Rated for european patent work on the emerging five-year record, rated in a market of 1,861 firms filing in Germany, strongest in Engineering, Food and Apparel, acting for Martin GmbH für Umwelt- und Energietechnik, Ontras Gastransport GmbH and GKD - Gebr. Kufferath AG.

Prof. Dr. Klaus Castell

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Rated in a market of 1,861 firms filing in Germany

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IPRATE.EUTop Rated

PATENTS · 2026

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Confidence

Good Confidence. The published tier reflects the selected country, vertical, track, and time window.

Vertical

Track

Window

Performance

Patents · European · Emerging (5y)

Rating

Good Confidence

Archetype

Full-Service Generalist

Distinct Clients

Success Rate

85.7%

Volume60

Success76

Speed79

DurabilityN/A

RenewalsN/A

Domestic92

Practice profile

Top classes

Engineering(2%) · IPC F23H7/08Food(1%) · IPC A23L19/12Apparel(1%) · IPC A41D13/11

Top clients

Martin GmbH für Umwelt- und Energietechnik
Ontras Gastransport GmbH
GKD - Gebr. Kufferath AG
Leuchtstoffwerk Breitungen GmbH
Burgis GmbH