And he was not able to make exceptions because he had to treat all employees equally and fairly. The requirement to sign a confidentiality agreement years after hiring didn`t work well for anyone. You`ve learned the lesson. A confidentiality agreement should contain a clause allowing an employer to sign the use of company-specific information or to give the signatory permission to use it. The termination of talks or relations between the Parties shall not relieve the Party, its collaborators, representatives or related enterprises from any obligation of non-use or secrecy of this Agreement, or from the obligation to return or destroy certain materials. . . .