<SEC-DOCUMENT>0000899243-22-015519.txt : 20220422
<SEC-HEADER>0000899243-22-015519.hdr.sgml : 20220422
<ACCEPTANCE-DATETIME>20220422192649
ACCESSION NUMBER:		0000899243-22-015519
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220420
FILED AS OF DATE:		20220422
DATE AS OF CHANGE:		20220422

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Pulik Richard
		CENTRAL INDEX KEY:			0001885841

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40782
		FILM NUMBER:		22847044

	MAIL ADDRESS:	
		STREET 1:		SUITE 1, 3RD FLOOR
		STREET 2:		11-12 ST. JAMES'S SQUARE
		CITY:			LONDON
		STATE:			X0
		ZIP:			SW1Y 4LB

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Roivant Sciences Ltd.
		CENTRAL INDEX KEY:			0001635088
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				981173944
		STATE OF INCORPORATION:			D0
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		CLARENDON HOUSE, 2 CHURCH STREET
		CITY:			HAMILTON HM11
		STATE:			D0
		ZIP:			HM11
		BUSINESS PHONE:		441-295-5950

	MAIL ADDRESS:	
		STREET 1:		CLARENDON HOUSE
		STREET 2:		2 CHURCH STREET
		CITY:			HAMILTON
		STATE:			D0
		ZIP:			HM11
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-04-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001635088</issuerCik>
        <issuerName>Roivant Sciences Ltd.</issuerName>
        <issuerTradingSymbol>ROIV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001885841</rptOwnerCik>
            <rptOwnerName>Pulik Richard</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ROIVANT SCIENCES LTD.</rptOwnerStreet1>
            <rptOwnerStreet2>11-12 ST. JAMES'S SQUARE, STE 1, 3RD FL</rptOwnerStreet2>
            <rptOwnerCity>LONDON</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>SW1Y 4LB</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.85</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2022-04-20</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2032-04-19</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1000000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1000000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Award of stock options to purchase Common Shares with a vesting commencement date of April 20, 2022. These options vest and become exercisable (i) 25% on the first anniversary of the applicable vesting commencement date and (ii) in 36 equal monthly installments thereafter, subject generally to the reporting person's continuous service through each vesting date (unless otherwise provided in the applicable award documentation).</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>By: /s/ Jo Chen, as Attorney-in-Fact for Richard Pulik</signatureName>
        <signatureDate>2022-04-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
