Intangible Assets and Goodwill

6 Months Ended

Jun. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible assets, net of accumulated amortization, impairment charges and adjustments, are summarized as follows:



		As of June 30, 2013							As of December 31, 2012
(In millions)	Estimated Life	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Out-licensed patents	13-23 years	$	578.0	$	(435.9	)	$	142.1	$	578.0	$	(421.0	)	$	157.0
Core developed technology	15-23 years	3,005.3		(2,051.2		)	954.1		3,005.3		(1,965.7		)	1,039.6
In-process research and development	Up to 15 years upon commercialization	327.4		—			327.4		330.1		—			330.1
Trademarks and tradenames	Indefinite	64.0		—			64.0		64.0		—			64.0
Acquired and in-licensed rights and patents	6-17 years	3,234.8		(43.5		)	3,191.3		53.7		(12.9		)	40.8
Total intangible assets		$	7,209.5	$	(2,530.6	)	$	4,678.9	$	4,031.1	$	(2,399.6	)	$	1,631.5

For the three and six months ended June 30, 2013, amortization of acquired intangible assets totaled $82.2 million and $133.5 million, respectively, as compared to $52.3 million and $98.2 million, respectively, in the prior year comparative periods. Included within the amortization of acquired intangible assets for the three months ended June 30, 2013 is a charge of $2.6 million related to a write down in carrying value of one of our in-process research and development assets to reflect a change in its estimated fair value.

Core Developed Technology

Core developed technology primarily relates to our AVONEX product which was recorded in connection with the merger of Biogen, Inc. and IDEC Pharmaceuticals Corporation in 2003. Our most recent long range planning cycle was completed in the third quarter of 2012, which reflected a small decrease in the expected lifetime revenue of AVONEX resulting in an increase in amortization expense.

Acquired and In-licensed Rights and Patents

The increase in acquired and in-licensed rights and patents during the six months ended June 30, 2013 was primarily related to the $3,178.3 million intangible asset capitalized in connection with our acquisition of TYSABRI rights from Elan on April 2, 2013. In the second quarter of 2013, we began amortizing this intangible asset over the estimated useful life using an economic consumption method based on actual and expected revenue generated from the sales of our TYSABRI product. For a more detailed description of this transaction, please read Note 2, Acquisitions to these condensed consolidated financial statements.

The estimated future amortization for acquired intangible assets is expected to be as follows:



(In millions)	As of June 30, 2013
2013 (remaining six months)	$	165.6
2014	330.7
2015	322.1
2016	328.2
2017	327.8
Total	$	1,474.4

Goodwill

The following table provides a roll-forward of the changes in our goodwill balance:



(In millions)	As of June 30, 2013			As of December 31, 2012
Goodwill, beginning of period	$	1,201.3		$	1,146.3
Goodwill acquired during the period	13.5			48.2
Other	(4.1		)	6.8
Goodwill, end of period	$	1,210.7		$	1,201.3

The increase in goodwill during the six months ended June 30, 2013 was related to the $15.0 million contingent payment made to former shareholders of Fumapharm AG (net of $1.5 million tax benefit), which became payable upon the approval of TECFIDERA in the U.S. For additional information related to future contingent payments, please read Note 21, Commitments and Contingencies to these condensed consolidated financial statements.

For the six months ended June 30, 2013, we adjusted goodwill to establish a deferred tax asset related to our Stromedix Inc. (Stromedix) transaction. For additional information related to our transaction with Stromedix, please read Note 2, Acquisitions to our consolidated financial statements included within our 2012 Form 10-K.

As of June 30, 2013, we had no accumulated impairment losses related to goodwill.

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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