<SEC-DOCUMENT>0001127602-22-026192.txt : 20221121
<SEC-HEADER>0001127602-22-026192.hdr.sgml : 20221121
<ACCEPTANCE-DATETIME>20221121184143
ACCESSION NUMBER:		0001127602-22-026192
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20221114
FILED AS OF DATE:		20221121
DATE AS OF CHANGE:		20221121

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Viehbacher Christopher
		CENTRAL INDEX KEY:			0001774478

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19311
		FILM NUMBER:		221407058

	MAIL ADDRESS:	
		STREET 1:		C/O AXCELLA HEALTH, INC.
		STREET 2:		840 MEMORIAL DRIVE
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BIOGEN INC.
		CENTRAL INDEX KEY:			0000875045
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				330112644
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		225 BINNEY STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142
		BUSINESS PHONE:		7814642000

	MAIL ADDRESS:	
		STREET 1:		225 BINNEY STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BIOGEN IDEC INC.
		DATE OF NAME CHANGE:	20070427

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BIOGEN IDEC INC
		DATE OF NAME CHANGE:	20031112

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IDEC PHARMACEUTICALS CORP / DE
		DATE OF NAME CHANGE:	19970530
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form3.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2022-11-14</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000875045</issuerCik>
        <issuerName>BIOGEN INC.</issuerName>
        <issuerTradingSymbol>BIIB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001774478</rptOwnerCik>
            <rptOwnerName>Viehbacher Christopher</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>225 BINNEY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CAMBRIDGE</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02142</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Wendell Taylor, attorney-in-fact for Christopher A. Viehbacher</signatureName>
        <signatureDate>2022-11-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>doc1.htm
<DESCRIPTION>POWER OF ATTORNEY (PUBLIC): CV POA
<TEXT>
<html>
  <head>
    <title></title>
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<body style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; text-align: left; color: #000000;" bgcolor="#ffffff">
  <div>
    <div style="text-align: center; font-size: 12pt; font-weight: bold;"><u>LIMITED POWER OF ATTORNEY FOR</u></div>
    <div style="text-align: center; font-size: 12pt; font-weight: bold;"><u>SECTION 16 REPORTING OBLIGATIONS</u></div>
    <div><br>
    </div>
    <div><br>
    </div>
    <div style="text-align: justify; text-indent: 36pt; font-size: 12pt;">Know all by these presents, that the undersigned hereby makes, constitutes and appoints Susan H. Alexander, Samuel Ntonme and Wendell Taylor as the undersigned&#8217;s true and lawful
      attorney-in-fact, with full power and authority as hereinafter described on behalf of and in the name, place and stead of the undersigned to:</div>
    <div><br>
    </div>
    <div style="text-align: justify;"><font style="font-size: 12pt;">(1)</font><font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 36pt" id="TRGRRTFtoHTMLTab">&#160;</font><font style="font-size: 12pt;">prepare, execute in the
        undersigned&#8217;s name and on the undersigned&#8217;s behalf, and submit to the U.S. Securities and Exchange Commission (the &#8220;SEC&#8221;) a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain codes and passwords
        enabling the undersigned to make electronic filings with the SEC of reports required by Section 16(a) of the Securities Exchange Act of 1934 and the rules and regulations promulgated thereunder, as amended from time to time (the &#8220;Exchange Act&#8221;), or
        any rule or regulation of the SEC;</font></div>
    <div><br>
    </div>
    <div style="text-align: justify;"><font style="font-size: 12pt;">(2)</font><font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 36pt" id="TRGRRTFtoHTMLTab">&#160;</font><font style="font-size: 12pt;">prepare, execute, acknowledge,
        deliver and file Forms 3, 4, and 5 (including any amendments thereto) with respect to the securities of Biogen Inc., a Delaware corporation (the &#8220;Company&#8221;), with the SEC, any national securities exchanges and the Company, as considered necessary or
        advisable under Section 16(a) of the Exchange Act;</font></div>
    <div><br>
    </div>
    <div style="text-align: justify;"><font style="font-size: 12pt;">(3)</font><font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 36pt" id="TRGRRTFtoHTMLTab">&#160;</font><font style="font-size: 12pt;">seek or obtain, as the
        undersigned&#8217;s representative and on the undersigned&#8217;s behalf, information on transactions in the Company&#8217;s securities from any third party, including brokers, employee benefit plan administrators and trustees, and the undersigned hereby authorizes
        any such person to release any such information to the undersigned and approves and ratifies any such release of information; and</font></div>
    <div><br>
    </div>
    <div style="text-align: justify;"><font style="font-size: 12pt;">(4)</font><font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 36pt" id="TRGRRTFtoHTMLTab">&#160;</font><font style="font-size: 12pt;">perform any and all other acts
        which in the discretion of such attorney-in-fact are necessary or desirable for and on behalf of the undersigned in connection with the foregoing.</font></div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">The undersigned acknowledges that:</div>
    <div><br>
    </div>
    <div style="text-align: justify;"><font style="font-size: 12pt;">(A)</font><font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 36pt" id="TRGRRTFtoHTMLTab">&#160;</font><font style="font-size: 12pt;">this Limited Power of Attorney
        authorizes, but does not require, such attorney-in-fact to act in their discretion on information provided to such attorney-in-fact without independent verification of such information;</font></div>
    <div><br>
    </div>
    <div style="text-align: justify;"><font style="font-size: 12pt;">(B)</font><font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 36pt" id="TRGRRTFtoHTMLTab">&#160;</font><font style="font-size: 12pt;">any documents prepared and/or
        executed by such attorney-in-fact on behalf of the undersigned pursuant to this Limited Power of Attorney will be in such form and will contain such information and disclosure as such attorney-in-fact, in his or her discretion, deems necessary or
        desirable;</font></div>
    <div><br>
    </div>
    <div style="text-align: justify;"><font style="font-size: 12pt;">(C)</font><font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 36pt" id="TRGRRTFtoHTMLTab">&#160;</font><font style="font-size: 12pt;">neither the Company nor such
        attorney-in-fact assumes (i) any liability for the undersigned&#8217;s responsibility to comply with the requirement of the Exchange Act, (ii) any liability of the undersigned for any failure to comply with such requirements, or (iii) any obligation or
        liability of the undersigned for profit disgorgement under Section 16(b) of the Exchange Act; and</font></div>
    <div><br>
    </div>
    <div style="text-align: justify;"><font style="font-size: 12pt;">(D)</font><font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 36pt" id="TRGRRTFtoHTMLTab">&#160;</font><font style="font-size: 12pt;">this Limited Power of Attorney
        does not relieve the undersigned from responsibility for compliance with the undersigned&#8217;s obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act.</font></div>
    <div><br>
    </div>
    <div style="text-align: justify; text-indent: 36pt; font-size: 12pt;">The undersigned hereby gives and grants the foregoing attorney-in-fact full power and authority to do and perform all and every act and thing whatsoever requisite, necessary or
      appropriate to be done in and about the foregoing matters as fully to all intents and purposes as the undersigned might or could do if present, hereby ratifying all that such attorney-in-fact of, for and on behalf of the undersigned, shall lawfully
      do or cause to be done by virtue of this Limited Power of Attorney.</div>
    <div><br>
    </div>
    <div style="text-align: justify; text-indent: 36pt; font-size: 12pt;">This Limited Power of Attorney shall remain in full force and effect until revoked by the undersigned in a signed writing delivered to such attorney-in-fact.</div>
    <div><br>
    </div>
    <div style="text-align: justify; text-indent: 36pt; font-size: 12pt;">IN WITNESS WHEREOF, the undersigned has caused this Limited Power of Attorney to be executed as of this 17th day of November 2022.</div>
    <div><br>
    </div>
    <div><br>
    </div>
    <div><br>
    </div>
    <div><br>
    </div>
    <div><br>
    </div>
    <div style="margin-left: 216pt; font-size: 12pt;"><u>/s/ Christopher A. Viehbacher</u>____</div>
    <div style="margin-left: 216pt; font-size: 12pt;">Signature</div>
    <div style="margin-left: 216pt; font-size: 12pt;">Name:&#160; Christopher A. Viehbacher</div>
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</SEC-DOCUMENT>
