<SEC-DOCUMENT>0000875045-16-000074-index.html : 20161212
<SEC-HEADER>0000875045-16-000074.hdr.sgml : 20161212
<ACCEPTANCE-DATETIME>20161209174908
ACCESSION NUMBER:		0000875045-16-000074
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		42
CONFORMED PERIOD OF REPORT:	20161209
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20161212
DATE AS OF CHANGE:		20161209

FILER:

	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

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19311
		FILM NUMBER:		162044900

	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>
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<SEQUENCE>1
<FILENAME>december920168-k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: december920168-k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>titration1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: titration1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>lte2.htm
<DESCRIPTION>EXHIBIT 99.2
<TEXT>
Document 3 - file: lte2.htm

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>biogenlogostandarda02.jpg
<TEXT>
Document 4 - file: biogenlogostandarda02.jpg

</DOCUMENT>
<DOCUMENT>
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<SEQUENCE>5
<FILENAME>lte2001.jpg
<TEXT>
Document 5 - file: lte2001.jpg

</DOCUMENT>
<DOCUMENT>
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<SEQUENCE>6
<FILENAME>lte2002.jpg
<TEXT>
Document 6 - file: lte2002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>lte2003.jpg
<TEXT>
Document 7 - file: lte2003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>lte2004.jpg
<TEXT>
Document 8 - file: lte2004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>lte2005.jpg
<TEXT>
Document 9 - file: lte2005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>lte2006.jpg
<TEXT>
Document 10 - file: lte2006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>lte2007.jpg
<TEXT>
Document 11 - file: lte2007.jpg

</DOCUMENT>
<DOCUMENT>
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<SEQUENCE>12
<FILENAME>lte2008.jpg
<TEXT>
Document 12 - file: lte2008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>lte2009.jpg
<TEXT>
Document 13 - file: lte2009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>lte2010.jpg
<TEXT>
Document 14 - file: lte2010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>lte2011.jpg
<TEXT>
Document 15 - file: lte2011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>lte2012.jpg
<TEXT>
Document 16 - file: lte2012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>lte2013.jpg
<TEXT>
Document 17 - file: lte2013.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>lte2014.jpg
<TEXT>
Document 18 - file: lte2014.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>lte2015.jpg
<TEXT>
Document 19 - file: lte2015.jpg

</DOCUMENT>
<DOCUMENT>
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<SEQUENCE>20
<FILENAME>lte2016.jpg
<TEXT>
Document 20 - file: lte2016.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>lte2017.jpg
<TEXT>
Document 21 - file: lte2017.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>lte2018.jpg
<TEXT>
Document 22 - file: lte2018.jpg

</DOCUMENT>
<DOCUMENT>
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<SEQUENCE>23
<FILENAME>titration1001.jpg
<TEXT>
Document 23 - file: titration1001.jpg

</DOCUMENT>
<DOCUMENT>
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<SEQUENCE>24
<FILENAME>titration1002.jpg
<TEXT>
Document 24 - file: titration1002.jpg

</DOCUMENT>
<DOCUMENT>
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<SEQUENCE>25
<FILENAME>titration1003.jpg
<TEXT>
Document 25 - file: titration1003.jpg

</DOCUMENT>
<DOCUMENT>
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<SEQUENCE>26
<FILENAME>titration1004.jpg
<TEXT>
Document 26 - file: titration1004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>27
<FILENAME>titration1005.jpg
<TEXT>
Document 27 - file: titration1005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>titration1006.jpg
<TEXT>
Document 28 - file: titration1006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>29
<FILENAME>titration1007.jpg
<TEXT>
Document 29 - file: titration1007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>30
<FILENAME>titration1008.jpg
<TEXT>
Document 30 - file: titration1008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>31
<FILENAME>titration1009.jpg
<TEXT>
Document 31 - file: titration1009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>32
<FILENAME>titration1010.jpg
<TEXT>
Document 32 - file: titration1010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>33
<FILENAME>titration1011.jpg
<TEXT>
Document 33 - file: titration1011.jpg

</DOCUMENT>
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<SEQUENCE>34
<FILENAME>titration1012.jpg
<TEXT>
Document 34 - file: titration1012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>35
<FILENAME>titration1013.jpg
<TEXT>
Document 35 - file: titration1013.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>36
<FILENAME>titration1014.jpg
<TEXT>
Document 36 - file: titration1014.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>37
<FILENAME>titration1015.jpg
<TEXT>
Document 37 - file: titration1015.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>38
<FILENAME>titration1016.jpg
<TEXT>
Document 38 - file: titration1016.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>39
<FILENAME>titration1017.jpg
<TEXT>
Document 39 - file: titration1017.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>40
<FILENAME>titration1018.jpg
<TEXT>
Document 40 - file: titration1018.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>41
<FILENAME>titration1019.jpg
<TEXT>
Document 41 - file: titration1019.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>42
<FILENAME>titration1020.jpg
<TEXT>
Document 42 - file: titration1020.jpg

</DOCUMENT>
</SEC-DOCUMENT>