DDAs may be “reciprocal”, meaning that both parties are limited in their use of the materials supplied, or may restrict the use of materials by a single party. An employee may be required to sign an NDA or NDA-type agreement with an employer to protect trade secrets. In fact, some employment contracts contain a clause limiting the use and dissemination by employees of confidential information held by the company. In the case of disputes settled by transaction, the parties often sign a confidentiality agreement relating to the terms of the transaction.   Examples of this agreement are the Dolby brand agreement with Dolby Laboratories, the Windows Insider Agreement, and the Community Feedback Program (CFP) halo with Microsoft. to retain employees who develop patentable technologies if the employer intends to file a patent. . . .