Montgomery alleged he was prevented from disclosing information necessary to his claims and defenses as to eTreppid because of the NDA. Our Montgomery County civil litigation attorneys at Duffy North can help you with nondisclosure agreements and associated disputes.Contact our firm today. An NDA is a legal document that protects your business information and trade secrets from vendors, employees, and third parties. Child Support Forms ; 4-16. Notice of Motion To Quash, Fix or Modify Conditions of A Child Support Subpoena. NDAs, or non-disclosure agreements, are legally enforceable contracts that create a confidential relationship between a person who has sensitive information.