    <SEC-DOCUMENT>0001047469-17-003061-index.html : 20170428
    <SEC-HEADER>0001047469-17-003061.hdr.sgml : 20170428
    <ACCEPTANCE-DATETIME>20170428164852
    ACCESSION NUMBER:		0001047469-17-003061
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		5
    CONFORMED PERIOD OF REPORT:	20170621
    FILED AS OF DATE:		20170428
    DATE AS OF CHANGE:		20170428
    EFFECTIVENESS DATE:		20170428

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Adaptimmune Therapeutics PLC
    		CENTRAL INDEX KEY:			0001621227
    		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			X0
    		FISCAL YEAR END:			0630

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-37368
    		FILM NUMBER:		17796474

    	BUSINESS ADDRESS:
    		STREET 1:		101 PARK DRIVE
    		STREET 2:		MILTON PARK
    		CITY:			ABINGDON, OXFORDSHIRE
    		STATE:			X0
    		ZIP:			OX14 4RY
    		BUSINESS PHONE:		44 1235 430000

    	MAIL ADDRESS:
    		STREET 1:		101 PARK DRIVE
    		STREET 2:		MILTON PARK
    		CITY:			ABINGDON, OXFORDSHIRE
    		STATE:			X0
    		ZIP:			OX14 4RY

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Adaptimmune Ltd
    		DATE OF NAME CHANGE:	20141001
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>a2231999zdef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: a2231999zdef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g111872bgi001.gif
    <DESCRIPTION>G111872BGI001.GIF
    <TEXT>
    Document 2 - file: g111872bgi001.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g111872bgi002.gif
    <DESCRIPTION>G111872BGI002.GIF
    <TEXT>
    Document 3 - file: g111872bgi002.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g1039423.jpg
    <DESCRIPTION>G1039423.JPG
    <TEXT>
    Document 4 - file: g1039423.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g755814.jpg
    <DESCRIPTION>G755814.JPG
    <TEXT>
    Document 5 - file: g755814.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>