The supplier shall hold the customer harmless against any claims lodged against the customer on the basis of any infringement or alleged infringement of any intellectual property rights by the use of the items delivered. The customer shall inform the supplier immediately of any such claim. If the customer is under an obligation to discontinue using the items delivered or part thereof on account of such a claim or a conviction ensuing from such a claim the supplier shall, at his own expenses and by mutual agreement with the customer