Notice of Effectiveness
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: May 23, 2012
Accession Number: 0001193125-12-243912
Submission Type: POS AM
CIK: 0001369568
Company Name: CATALYST PHARMACEUTICAL PARTNERS, INC.
File Number: 333-180617