<SEC-DOCUMENT>0001209191-18-036127.txt : 20180606
<SEC-HEADER>0001209191-18-036127.hdr.sgml : 20180606
<ACCEPTANCE-DATETIME>20180606172805
ACCESSION NUMBER:		0001209191-18-036127
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180604
FILED AS OF DATE:		20180606
DATE AS OF CHANGE:		20180606

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kirson Eilon D.
		CENTRAL INDEX KEY:			0001654356

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37565
		FILM NUMBER:		18884607

	MAIL ADDRESS:	
		STREET 1:		TOPAZ BUILDING, MATAN CENTER
		CITY:			HAIFA
		STATE:			L3
		ZIP:			31905

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NovoCure Ltd
		CENTRAL INDEX KEY:			0001645113
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		NO. 4 THE FORUM
		STREET 2:		GRENVILLE STREET
		CITY:			ST. HELIER
		STATE:			Y9
		ZIP:			JE2 4UF
		BUSINESS PHONE:		44 (0)15 3475 6700

	MAIL ADDRESS:	
		STREET 1:		NO. 4 THE FORUM
		STREET 2:		GRENVILLE STREET
		CITY:			ST. HELIER
		STATE:			Y9
		ZIP:			JE2 4UF

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Novocure Ltd
		DATE OF NAME CHANGE:	20150615
</SEC-HEADER>
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<DESCRIPTION>FORM 4 SUBMISSION
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            <rptOwnerCity>MALVERN</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
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            <officerTitle>Chief Science Officer</officerTitle>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            </expirationDate>
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                </underlyingSecurityTitle>
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    <footnotes>
        <footnote id="F1">On June 4, 2018, pursuant to a Rule 10b5-1 trading plan adopted by Mr. Kirson, Mr. Kirson sold 225,296 shares in multiple trades at prices ranging from $28.00 to $28.99.  The price reported above reflects the weighted average sale price.  Mr. Kirson hereby undertakes to provide to the Staff, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected.</footnote>
        <footnote id="F2">On June 4, 2018, pursuant to a Rule 10b5-1 trading plan adopted by Mr. Kirson, Mr. Kirson sold 114,934 shares in multiple trades at prices ranging from $29.00 to $29.99.  The price reported above reflects the weighted average sale price.  Mr. Kirson hereby undertakes to provide to the Staff, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected.</footnote>
        <footnote id="F3">On June 4, 2018, pursuant to a Rule 10b5-1 trading plan adopted by Mr. Kirson, Mr. Kirson sold 1,800 shares in multiple trades at prices ranging from $30.00 to $30.99.  The price reported above reflects the weighted average sale price.  Mr. Kirson hereby undertakes to provide to the Staff, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected.</footnote>
        <footnote id="F4">On June 4, 2018, pursuant to a Rule 10b5-1 trading plan adopted by Mr. Kirson, Mr. Kirson sold 4,131 shares in multiple trades at prices ranging from $31.00 to $31.99.  The price reported above reflects the weighted average sale price.  Mr. Kirson hereby undertakes to provide to the Staff, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected.</footnote>
        <footnote id="F5">Options exercised were fully vested as of the date hereof.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>By: /s/ Kimberly Burke, Attorney in fact for Eilon D. Kirson</signatureName>
        <signatureDate>2018-06-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
