A Continued Prosecution Application (CPA) request for design patents must include specific information to be considered acceptable. According to MPEP ¶ 2.30, the key elements are: The filing date of the CPA request The parent application number The MPEP states: The request filed on [1] for a Continued Prosecution Application (CPA) under 37 CFR 1.53(d) based on parent Application No. [2] is acceptable and a CPA has been established. Here, [1] represents the filing date of the CPA request, and [2] is the parent application number. These details are crucial for establishing the continuity between the parent application and the CPA. For more information on USPTO filing procedures, visit: USPTO filing procedures.