COVER 6 filename6.txt Microsoft Word 10.0.4219; April 17, 2006 Securities & Exchange Commission 450 Fifth Street Washington, DC 20549 RE: NATIONAL PATENT DEVELOPMENT CORPORATION FORM 10-K FOR THE YEAR ENDED DECEMBER 31, 2005 Gentlemen: On behalf of National Patent Development Corporation (the "Company"), transmitted herewith for filing is the Company's Form 10-K for the year ended December 31, 2005, with exhibits. Very truly yours, Lydia M. DeSantis Corporate Secretary cc: NASDAQ