EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANT We consent to the incorporation by reference in the Registration Statements (Form S-8 Nos. 333-120061, 333-100077, 333-58168; Form S-3 Nos. 333-123619, 333-116696, 333-118187, 333-111287, 333-108752 and 333-76738) of Inovio Biomedical Corporation, of our report dated April 8, 2005, relating to the financial statements of Inovio AS as of December 31, 2004 and 2003, and for the two years then ended, which appears in this Current Report on Form 8-K/A. /s/ PricewaterhouseCoopers AS PricewaterhouseCoopers AS Oslo, Norway April 11, 2005