Thanks a lot, Sindy!
The context is procurement - checking if company A meets the criteria to become a supplier of company B.
I am inclined to agree with you about 'Nadelige kadastrale informatie'. However, 'protests' seem to be 'claims filed' (see the link below):
http://thestreetsweeper.org/uploads/EnergeticCorp.pdf
PROTESTS DETAILS (Means CLAIMS FILED)
Details regarding Court judgements and prejudicial events are checked on our database which is regularly updated with information filed at Italian Courts and Real Estate Registers (Conservatorie and Uffici Tavolari).