<SEC-DOCUMENT>0000899243-21-002410.txt : 20210119
<SEC-HEADER>0000899243-21-002410.hdr.sgml : 20210119
<ACCEPTANCE-DATETIME>20210119202721
ACCESSION NUMBER:		0000899243-21-002410
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210101
FILED AS OF DATE:		20210119
DATE AS OF CHANGE:		20210119

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WIRTH PETER
		CENTRAL INDEX KEY:			0001021041
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38205
		FILM NUMBER:		21537120

	MAIL ADDRESS:	
		STREET 1:		37 HANCOCK STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02114

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Zai Lab Ltd
		CENTRAL INDEX KEY:			0001704292
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4560 JINKE ROAD
		STREET 2:		BLDG. 1, 4F, PUDONG
		CITY:			SHANGHAI
		STATE:			F4
		ZIP:			201210
		BUSINESS PHONE:		862161632588

	MAIL ADDRESS:	
		STREET 1:		4560 JINKE ROAD
		STREET 2:		BLDG. 1, 4F, PUDONG
		CITY:			SHANGHAI
		STATE:			F4
		ZIP:			201210
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>doc3a.xml
<DESCRIPTION>FORM 3/A SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2021-01-01</periodOfReport>

    <dateOfOriginalSubmission>2021-01-04</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001704292</issuerCik>
        <issuerName>Zai Lab Ltd</issuerName>
        <issuerTradingSymbol>ZLAB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001021041</rptOwnerCik>
            <rptOwnerName>WIRTH PETER</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ZAI LAB LIMITED</rptOwnerStreet1>
            <rptOwnerStreet2>4560 JINKE ROAD, BLDG 1, 4TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>PUDONG, SHANGHAI</rptOwnerCity>
            <rptOwnerState>F4</rptOwnerState>
            <rptOwnerZipCode>201210</rptOwnerZipCode>
            <rptOwnerStateDescription>CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>335000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The original Form 3 filed on January 4, 2021 correctly reported the amount of securities directly owned by the Reporting Person as of January 4, 2021 as 335,000 shares.  The first Amended Form 3 filed on January 19, 2021 incorrectly reported that the amount of securities directly owned by the Reporting Person as of January 4, 2021 was 35,000 shares.  This second Amended Form 3 is being filed to re-state the original Form 3.  The correct number of shares directly owned by the Reporting Person as of January 4, 2021 was 335,000.</footnote>
    </footnotes>

    <remarks>*Power of Attorney on file</remarks>

    <ownerSignature>
        <signatureName>By: /s/ Bruce Blefeld, Attorney-in-Fact*</signatureName>
        <signatureDate>2021-01-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
