EX-23.1 7 a2073465zex-23_1.htm EXHIBIT 23.1
QuickLinks -- Click here to rapidly navigate through this document


EXHIBIT 23.1


CONSENT OF INDEPENDENT ACCOUNTANTS

        We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-53530) of Ciphergen Biosystems, Inc. of our reports dated February 1, 2002 relating to the financial statements and the financial statement schedule which appear in this Form 10-K.

PRICEWATERHOUSECOOPERS LLP

San Jose, California
March 29, 2002




QuickLinks

CONSENT OF INDEPENDENT ACCOUNTANTS