David A. Castor – Trademark Portfolio

David A. Castor has filed 13 trademarks with the United States Patent and Trademark Office (USPTO). Filing records span from 2006 to 2012, covering 3 years of intellectual property practice. The portfolio covers 7 Nice Classification classes, with the highest concentration in Class 42 (Computer & Scientific, 6 filings) and Class 9 (Computers & Electronics, 3 filings).