My student loan XXXX XXXX ) were sold and/or transferred to XXXX on a date unknown to me. Pursuant to XXXX XXXX XXXX XXXX ( F ) ( iii XXXX XXXX was in fact a debt collector. I placed a complaint with the CFPB [ XXXX ] for the companies abusive practices in addition to failing to validate the alleged debt owed. I recently received a Dunning Letter from Windham Professionals dated XXXX/XXXX/2015. XXXX and Windham Professionals are making multiple enforcement claims on the same [ XXXX ] ote. Possession requirement in XXXX XXXX [ of the XXXX XXXX is to protect the Debtor from multiple enforcement claims to the same [ XXXX ] ote. Upon information and belief, XXXX and Windham Professionals lack Judicial standing, having no economic or beneficial interest in the [ XXXX ] ote, and no complete dominion over it, including entitlement to enforce the [ XXXX ] ote pursuant to the XXXX XXXX and UCC XXXX. In addition I have never applied for, neither received any services or credit from Windham Professionals. I also have no account and/or signed contract with Windham Professionals, nor do I wish to contract with Windham Professionals. Windham Professionals has NO bona-fide claim in the matter and allegations that I owe an alleged debt to its Agent XXXX XXXX ) and or Representative XXXX XXXX ) are frivolous. I have a lawful right to receive any information in regards to the promissory note and or other admissible evidence of the alleged debt. '' XXXX XXXX XXXX v. XXXX, XXXX XXXX XXXX XXXX 1947 ).