Exhibit 32.0

ANTARES PHARMA, INC.

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 (18 U.S.C. 1350)

        Each of the undersigned, Jack E. Stover and Lawrence M. Christian, the Chief Executive Officer and the Chief Financial Officer, respectively, of Antares Pharma, Inc. (the “Company”), individually and not jointly has executed this Certification in connection with the filing with the Securities and Exchange Commission of the Company’s Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2004 (the “Report”).

        Each of the undersigned hereby certifies that:

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

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

        IN WITNESS WHEREOF, each of the undersigned has executed this Certification as of the 15th day of November 2004.

 /s/ Jack E. Stover                                

Jack E. Stover
Chief Executive Officer

 /s/ Lawrence M. Christian                  

Lawrence M. Christian
Chief Financial Officer