Prothena Corporation plc
Prothena Corp plc (Form: EFFECT, Received: 10/03/2013 06:01:01)
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

NOTICE OF EFFECTIVENESS

Effective Date: October 02, 2013 3:30 P.M.
Form: S-1
CIK: 0001559053
Company Name: Prothena Corp plc
File Number: 333-191218