 
 <prompt> Wetin be the US Patent and Trademark Office and Elijah J. McCoy Satellite Office for Warehouse District also known as? Given di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Some of di companies wey dey downtown na new ones, as dem don dey see say plenty companies dey move from satellite suburbs around Metropolitan Detroit enta downtown core. Compuware finish dia world headquarters for downtown for 2003. OnStar, Blue Cross Blue Shield, and HP Enterprise Services dey for Renaissance Center. PricewaterhouseCoopers Plaza offices dey near Ford Field, and Ernst & Young finish dia office building for One Kennedy Square for 2006. For 2010, Quicken Loans, one of di biggest mortgage lenders, move dia world headquarters and 4,000 employees enta downtown Detroit, as dem dey bring together dia suburban offices. For July 2012, U.S. Patent and Trademark Office open Elijah J. McCoy Satellite Office for Rivertown/Warehouse District as dia first location outside Washington, D.C.'s metropolitan area. 