    <SEC-DOCUMENT>0001193125-20-278378-index.html : 20201027
    <SEC-HEADER>0001193125-20-278378.hdr.sgml : 20201027
    <ACCEPTANCE-DATETIME>20201027160253
    ACCESSION NUMBER:		0001193125-20-278378
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		10
    CONFORMED PERIOD OF REPORT:	20201216
    FILED AS OF DATE:		20201027
    DATE AS OF CHANGE:		20201027
    EFFECTIVENESS DATE:		20201027

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			MEI Pharma, Inc.
    		CENTRAL INDEX KEY:			0001262104
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		IRS NUMBER:				510407811
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			0630

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-50484
    		FILM NUMBER:		201264151

    	BUSINESS ADDRESS:
    		STREET 1:		11455 EL CAMINO REAL
    		STREET 2:		SUITE 250
    		CITY:			SAN DIEGO
    		STATE:			CA
    		ZIP:			92130
    		BUSINESS PHONE:		858-369-7100

    	MAIL ADDRESS:
    		STREET 1:		11455 EL CAMINO REAL
    		STREET 2:		SUITE 250
    		CITY:			SAN DIEGO
    		STATE:			CA
    		ZIP:			92130

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MARSHALL EDWARDS INC
    		DATE OF NAME CHANGE:	20030902
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>d17046ddef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: d17046ddef14a.htm

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    <SEQUENCE>2
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g17046dsp2a.jpg

    </DOCUMENT>
    <DOCUMENT>
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    <SEQUENCE>3
    <FILENAME>g17046g03v42.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g17046g03v42.jpg

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    <DOCUMENT>
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    <SEQUENCE>4
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g17046g1017042551817.jpg

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    <SEQUENCE>5
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g17046g1017042551988.jpg

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    <SEQUENCE>6
    <FILENAME>g17046g1017042552129.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g17046g1017042552129.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g17046g1017042552487.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g17046g1017042552487.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g17046g14k01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g17046g14k01.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g17046g16r28.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g17046g16r28.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g17046g23q00.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g17046g23q00.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>