Exhibit 32.1

Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002

     In connection with the Form 10-Q of Noven Pharmaceuticals, Inc. (“Noven”) for the three and nine months ended September 30, 2007 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Robert C. Strauss, President, Chief Executive Officer and Chairman of the Board of Noven, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

     1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

     2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Noven.

/s/ Robert C. Strauss                                        
Name: Robert C. Strauss
Title: President, Chief Executive Officer and Chairman of the Board
Date: November 9, 2007