Confidentiality agreements violate your rights more than you realize. Contact a Maryland employment lawyer to review your agreement at a free consultation.Definition: A Perpetual NDA has no expiry date, meaning that the obligations of confidentiality continue indefinitely. Like an NDA, a nonsolicitation agreement need not contain any geographic or time restrictions in order to be valid and enforceable in Maryland. Accordingly, the Contractor agrees that the State may obtain an injunction to prevent the disclosure, copying or improper use of the Confidential Information. Blank sample for Maryland non disclosure agreement is available at this website. Download free NDA for Maryland state now. This form must be completed and filed when you file any court documents that contain restricted information.