It’s not clear why you would need to contact a lawyer. Is your question about the type of permit you got or the length of time? You would only receive a different type of permit if:
- Your situation changed, for example you were entitled to a permit as the spouse of a German person.
- You fulfil the requirements for permanent residency. This is generally only possible after 5 years of residency and if you are able to support yourself fully financially (i.e. not receiving any money from the Jobcenter).
The permit 25 Abs. 5 is issued first three times for a period of 6 months and after 18 months you can receive a longer permit, which has happened in your case. Here is the paragraph that covers length of time for residence permits: