Also referred to as common area expenses. Maintenance fees are a monthly charge (your share) for the utilities, regular upkeep, management, administration and insurance for the common element areas. The fees vary according to project and home size. Each homeowner's portion of these expenses is set out in the budget statement, which lists the percentage for which each unit is responsible.
In order to keep a patent from expiring, maintenance fees must be paid over the duration of the patent term. No fee is required for maintaining a design or plant patent, but owners of utility patents must pay to keep their patent from expiring.