<SEC-DOCUMENT>0000899243-17-013679-index.html : 20170518
<SEC-HEADER>0000899243-17-013679.hdr.sgml : 20170518
<ACCEPTANCE-DATETIME>20170518160521
ACCESSION NUMBER:		0000899243-17-013679
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20170516
FILED AS OF DATE:		20170518
DATE AS OF CHANGE:		20170518

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Prothena Corp plc
		CENTRAL INDEX KEY:			0001559053
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			L2
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ADELPHI PLAZA
		STREET 2:		UPPER GEORGE'S STREET
		CITY:			DUN LAOGHAIRE, CO. DUBLIN
		STATE:			L2
		ZIP:			A96 T927
		BUSINESS PHONE:		011-353-1-236-2500

	MAIL ADDRESS:	
		STREET 1:		ADELPHI PLAZA
		STREET 2:		UPPER GEORGE'S STREET
		CITY:			DUN LAOGHAIRE, CO. DUBLIN
		STATE:			L2
		ZIP:			A96 T927

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Neotope Corp Ltd
		DATE OF NAME CHANGE:	20120926

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Noonberg Sarah B.
		CENTRAL INDEX KEY:			0001706301

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35676
		FILM NUMBER:		17854961

	MAIL ADDRESS:	
		STREET 1:		331 OYSTER POINT BOULEVARD
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
Document 1 - file: doc3.html

Document 1 - RAW XML: doc3.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>attachment1.htm
<DESCRIPTION>EX-24 DOCUMENT
<TEXT>
Document 2 - file: attachment1.htm

</DOCUMENT>
</SEC-DOCUMENT>