The lessee failed to pay the property fee, and the property management company sued the lessee and the landlord. What responsibility should the landlord bear?

If the landlord is the owner, he needs to bear joint and several liability for payment.

According to Article 42 of the Property Management Regulations, the owner shall pay the property service fee in accordance with the property service contract. If the owner and the user of the property agree that the user of the property shall pay the property service fee, the owner shall bear joint and several liability from the agreement.