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Your answer will depend on a couple questions. If the deed for the property is in both names you are a joint owner. If wife has not received an order from court awarding her exclusive possession of the marital residence or a protection from abuse order prohibiting from entering upon the property then you have every right to enter into your jointly owned property. If there was an order giving her exclusive possession or a protection from abuse order I believe her attorney would have said so. My advice would be to gio when you know she's at work or definitely not home. If she's always at home I would make arrangements with a private constable to be present with you and make sure you have a copy of the deed with you showing you are an owner. It is impossible to trespass upon your own property.
The document you would need would a copy of the deed showing your joint ownership. If you are a joint owner it would be on her to establish that your access is restricted.
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