Biweekly mortgage contract – in the area of Law of Contracts, this term refers to a loan agreement, secured with a mortgage, established on the immovable estate of the borrower. They have to pay back the loan, i.e. to make their regular installments towards the lender of the sum, each two weeks, instead of each month. Usually the biweekly mortgage contracts are used to protect better the interests of the lender, who needs bigger security for regular repayment of the loan.