A letter for patent counsel to report to a client a utility patent application's allowance by the US Patent and Trademark Office (USPTO). The letter informs the client of the issue fee amount and due date, seeks authorization to pay the fee, and includes important information and questions for the client to ensure that the allowed application is complete, correct, and meets the client's needs. The letter also seeks instructions concerning whether to file a continuing application. This Standard Document has integrated drafting notes with important explanations.