Written by: Mark Terry As a Florida Patent Lawyer, I keep up with recent happenings at the U.S. Patent and Trademark Office (USPTO) to stay abreast on the latest in trademark law. Recently, the difficulties encountered at the USPTO by NYC-based Foursquare, which offers a location-based social networking website, has come to light. First off, the trademark application for the company’s main mark – FOURSQUARE – has been rejected because an improper specimen was submitted (see trademark application number 77956808). Apparently the attorney for Foursquare submitted an advertisement for the web site and not an actual web page where the applied-for services are