<SEC-DOCUMENT>0001209191-19-021612.txt : 20190328
<SEC-HEADER>0001209191-19-021612.hdr.sgml : 20190328
<ACCEPTANCE-DATETIME>20190328154608
ACCESSION NUMBER:		0001209191-19-021612
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190328
FILED AS OF DATE:		20190328
DATE AS OF CHANGE:		20190328

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TOKICH MICHAEL J
		CENTRAL INDEX KEY:			0001235611

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38848
		FILM NUMBER:		19711794

	MAIL ADDRESS:	
		STREET 1:		C/O STERIS CORP
		STREET 2:		5960 HEISLEY RD
		CITY:			MENTOR
		STATE:			OH
		ZIP:			44060

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			STERIS Ltd
		CENTRAL INDEX KEY:			0001757898
		STANDARD INDUSTRIAL CLASSIFICATION:	ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES [3842]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			L2
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		70 SIR JOHN ROGERSON'S QUAY
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			2
		BUSINESS PHONE:		35312322454

	MAIL ADDRESS:	
		STREET 1:		70 SIR JOHN ROGERSON'S QUAY
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			2
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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    <periodOfReport>2019-03-28</periodOfReport>

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    <issuer>
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        <issuerName>STERIS Ltd</issuerName>
        <issuerTradingSymbol>STE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
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            <rptOwnerCik>0001235611</rptOwnerCik>
            <rptOwnerName>TOKICH MICHAEL J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O 70 SIR JOHN ROGERSON'S QUAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DUBLIN</rptOwnerCity>
            <rptOwnerState>L2</rptOwnerState>
            <rptOwnerZipCode>2</rptOwnerZipCode>
            <rptOwnerStateDescription>IRELAND</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr. Vice Pres., CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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                <value>Ordinary Shares</value>
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            <transactionDate>
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            <deemedExecutionDate></deemedExecutionDate>
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            <transactionAmounts>
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                    <footnoteId id="F1"/>
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                <transactionPricePerShare>
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                    <value>See Footnote Below</value>
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            <transactionDate>
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            <transactionAmounts>
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                    <value>22000</value>
                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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                <value>Employee Stock Option (right to buy)</value>
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            <conversionOrExercisePrice>
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            <transactionDate>
                <value>2019-03-28</value>
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            <deemedExecutionDate></deemedExecutionDate>
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                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>28000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F5"/>
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                <transactionAcquiredDisposedCode>
                    <value>A</value>
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            <exerciseDate>
                <footnoteId id="F5"/>
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            <expirationDate>
                <value>2024-05-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>28000</value>
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            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>28000</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>67.98</value>
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            <transactionDate>
                <value>2019-03-28</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>20000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F6"/>
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                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F6"/>
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            <expirationDate>
                <value>2025-08-10</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
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                    <value>D</value>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>69.72</value>
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            <transactionDate>
                <value>2019-03-28</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>30000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F7"/>
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                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F7"/>
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            <expirationDate>
                <value>2026-06-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
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                <underlyingSecurityShares>
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                <sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>77.07</value>
            </conversionOrExercisePrice>
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                <value>2019-03-28</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>32000</value>
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                <transactionPricePerShare>
                    <footnoteId id="F8"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F8"/>
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            <expirationDate>
                <value>2027-05-30</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>32000</value>
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                <sharesOwnedFollowingTransaction>
                    <value>32000</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
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            <conversionOrExercisePrice>
                <value>114.22</value>
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                <value>2019-03-28</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>46664</value>
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                <transactionPricePerShare>
                    <footnoteId id="F9"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F9"/>
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            <expirationDate>
                <value>2028-05-31</value>
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                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
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                <underlyingSecurityShares>
                    <value>46664</value>
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                <sharesOwnedFollowingTransaction>
                    <value>46664</value>
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    <footnotes>
        <footnote id="F1">25,940 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 7,000 on May 28, 2019; 4,000 on October 1, 2019; 4,700 on June 1, 2020; 6,000 on June 1, 2021; and 4,240 on May 31, 2022.</footnote>
        <footnote id="F2">Represents ordinary shares of STERIS plc, a public limited company organized under the laws of Ireland (&quot;STERIS&quot;) received by the reporting person pursuant to a court-approved scheme of arrangement under English law (the &quot;Scheme&quot;).  In connection with the Scheme, the reporting person received shares of STERIS in an amount equal to the number of the reporting person's cancelled shares of STERIS plc, a public limited company organized under the laws of England and Wales (&quot;Old STERIS&quot;).  The reporting person's STERIS shares are subject to terms and conditions, including restrictions, substantially identical to those that were applicable to the Old STERIS shares.  Following the completion of the Scheme, STERIS became the ultimate holding company of Old STERIS.</footnote>
        <footnote id="F3">Units representing 3,406 ordinary share equivalents are held on behalf of the Reporting Person under the STERIS Corporation 401(k) Plan as of March 27, 2019.</footnote>
        <footnote id="F4">This option to purchase 22,000 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 22,000 Old STERIS ordinary shares for $45.34 per share, subject to the same terms and conditions as the original Old STERIS stock option.</footnote>
        <footnote id="F5">This option to purchase 28,000 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 28,000 Old STERIS ordinary shares for $53.52 per share, subject to the same terms and conditions as the original Old STERIS stock option</footnote>
        <footnote id="F6">This option becomes exercisable as follows: 5,000 on May 28, 2016; 5,000 on May 28, 2017; 5,000 on May 28, 2018 and 5,000 on May 28, 2019.  This option was received under the Scheme in exchange for an option to purchase 20,000 STERIS ordinary shares for $67.98 per share, subject to the same terms and conditions as the original Old STERIS stock option.</footnote>
        <footnote id="F7">This option becomes exercisable as follows: 7,500 on June 1, 2017; 7,500 on June 1, 2018; 7,500 on June 3, 2019 and 7,500 on June 1, 2020.  This option was received under the Scheme in exchange for an option to purchase 30,000 STERIS ordinary shares for $69.72 per share, subject to the same terms and conditions as the original Old STERIS stock option.</footnote>
        <footnote id="F8">This option becomes exercisable as follows: 8,000 on May 30, 2018; 8,000 on May 30, 2019; 8,000 on June 1, 2020 and 8,000 on June 1, 2021.  This option was received under the Scheme in exchange for an option to purchase 32,000 STERIS ordinary shares for $77.07 per share, subject to the same terms and conditions as the original Old STERIS stock option.</footnote>
        <footnote id="F9">This option becomes exercisable as follows: 11,666 on May 31, 2019; 11,666 on June 1, 2020; 11,666 on June 1, 2021 and 11,666 on May 31, 2022.  This option was received under the Scheme in exchange for an option to purchase 46,664 STERIS ordinary shares for $114.22 per share, subject to the same terms and conditions as the original Old STERIS stock option.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ronald E. Snyder, Authorized Representative under Power of Attorney</signatureName>
        <signatureDate>2019-03-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
