San Diego-based Biocept Laboratories Inc. recently filed for a $23 million initial public offering. It plans to list on the Nasdaq under ticker symbol BIOC.

Biocept filed confidentially with the SEC on August 19. The pricing terms were disclosed.

The company, which develops cancer diagnostic tests, was founded in 1997.

About three dozen biotech companies have filed for IPOs this year — the most in more than a decade. Seven have been in San Diego.

— SDBJ Staff Report