The foreign national investor may have filed an I-526 petition and the adjudication processing may take several months. Subsequent to the filing of the I-526 petition,the foreign national investor may have entered the US under a B-1 visa and will be staying in the US under legal B-1 status.While in the US under B-1 status the I-526 petition is approved and on this basis the foreign national may file an I-485 application for adjustment to conditional permanent residency status. The adjustment process may take a few months.