Original sentence: Courts gradually started to apply Roman law —as taught in the university of Bologna (and soon elsewhere) because the judges felt that the  refined legal concepts of Roman law were more apt to solve complex cases than the Germanic laws, which had been in use before Roman law was revived
Edited sentence: Courts gradually started to apply Roman law —as taught in the university of Bologna (and soon elsewhere) because the judges felt that the refined legal concepts of Roman law were more apt to solve complex cases than the Germanic laws, which had been in use before Roman law was revived