[Your Name] [Your Address] [City, State, ZIP Code] [Email Address] [Phone Number] [Date] [Recipient's Name] [Recipient's Address] [City, State, ZIP Code] Re: Plaintiff's Motion for Leave to File a Supplemental Memorandum Dear [Recipient's Name], I hope this letter finds you in good health and spirits. I am writing on behalf of the plaintiff in the aforementioned case, and I am seeking your favorable consideration for a motion requesting leave to file a supplemental memorandum in support of our legal arguments. I kindly ask that you accept this letter as our formal submission. I. Background and Rationale: To begin, it is crucial to provide you with a concise overview of the lawsuit and our motives for requesting leave to file a supplemental memorandum. The plaintiff, [Plaintiff's Name], has initiated legal proceedings against the defendant, [Defendant's Name], in the Circuit Court of [County Name], South Dakota. The underlying dispute pertains to [briefly summarize the legal issue or nature of the case]. Throughout the course of this litigation, new evidence has been uncovered and substantial case law has emerged that substantially supports the plaintiff's claims. As a result, it is imperative for the court to have the most comprehensive and accurate information possible to ensure a just outcome. Our motion for leave to file a supplemental memorandum seeks to present this newfound evidence and legal analysis, which we believe will greatly bolster the plaintiff's case. II. Legal Basis: Under [South Dakota Code section], our request for leave to file a supplemental memorandum is justified. The code explicitly grants the court the authority to allow for supplemental memoranda in circumstances where exceptional circumstances exist or new issues arise after the initial memoranda deadline. In this instance, numerous exceptional circumstances have emerged, warranting the filing of a supplemental memorandum to ensure a comprehensive understanding of the case. III. Discovery of New Evidence/Development of New Legal Arguments: Since our initial submission of the last memorandum, we have obtained crucial new evidence that was previously unknown or inaccessible. This evidence includes [briefly describe the nature and significance of the new evidence]. Furthermore, recent legal developments and rulings in relevant cases have highlighted legal arguments that significantly support the plaintiff's position. These arguments include [provide a summary of the newly developed legal arguments]. IV. Potential Prejudice to the Defendant: We acknowledge and understand the importance of adhering to court deadlines and the potential prejudice that supplemental memoranda may cause to the defendant. However, it is vital to note that the evidence and legal arguments presented in the supplemental memorandum directly respond to the defendant's recent filings and address the evolving legal landscape. Granting leave to file a supplemental memorandum will further the interests of justice, ensuring a fair and comprehensive consideration of the case. V. Conclusion and Relief Sought: In light of the aforementioned circumstances, we respectfully request that the court grant our motion for leave to file a supplemental memorandum. Doing so will enable the court to access the most recent and relevant evidence, as well as benefit from the evolving legal analysis, ultimately promoting a fair and just resolution of this case. Thank you for your attention to this matter. We trust that your equitable consideration will lead to a favorable ruling on our motion. Please do not hesitate to contact me should you require any further information or clarification. Sincerely, [Your Name] [Your Title]