See justified paranoia. While you have placed part of the ground to define your invention when a patent application is filed, there are no exclusive rights until the patent is actually granted. A confidentiality agreement is therefore necessary to preserve the rights of the invention while a patent application is pending. In addition, when disclosing an invention, it is quite possible that you will also disclose commercial and commercial information that has not been disclosed in the patent application and that could itself be maintained as a trade secret. The liability of the agreement on the heirs and beneficiaries of the assignment The confidentiality agreement may also limit the use of confidential information by each party. For example, the confidentiality agreement may stipulate that confidential information may only be used to evaluate the applicant`s proceeds and not in the recipient`s activities. Often, start-ups don`t ask venture capitalists to sign confidentiality agreements. This is because investors are unlikely to sign the deal and the guarantee of funding is more important than protecting their new ideas. At the same time, confidentiality agreements often exclude certain information from protection. Exclusions may include information already known to all or information collected prior to the signing of the agreement. A confidentiality agreement is a standard written agreement that is used to protect the owner of an invention or idea of a new business.