| Company | Timeline | Status | |
| Dehns Germany LLP Designated LLP Member • Unreported | 31 Mar 2022←3 Years→Current | Active | |
| Dehns Limited Director • Patent Attorney | 31 Mar 2021←4 Years→Current | Active | |
| Frank B. Dehn & Co. Limited Director • Patent Attorney | 31 Mar 2021←4 Years→Current | Active | |
