Note 9 — Identified Intangible Assets and Goodwill
Identified Intangible Assets
Identified intangible assets were comprised of the following:
| December 31, | ||||||||||||||||
| 2013 | 2012 | |||||||||||||||
| Gross Carrying Amount |
Accumulated Amortization |
Gross Carrying Amount |
Accumulated Amortization |
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| (In thousands) | ||||||||||||||||
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Current technology |
$ | 930,767 | $ | (798,588 | ) | $ | 930,767 | $ | (751,236 | ) | ||||||
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Customer base |
444,439 | (344,903 | ) | 444,439 | (304,725 | ) | ||||||||||
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Patent licensing |
312,800 | (228,867 | ) | 312,800 | (198,346 | ) | ||||||||||
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Order backlog |
4,500 | (4,500 | ) | 4,500 | (4,500 | ) | ||||||||||
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Trade names |
1,800 | (1,145 | ) | 1,800 | (680 | ) | ||||||||||
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Workforce |
3,567 | (3,567 | ) | 3,567 | (3,567 | ) | ||||||||||
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In-process research and development |
51,300 | — | 51,300 | — | ||||||||||||
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Total identified intangible assets |
$ | 1,749,173 | $ | (1,381,570 | ) | $ | 1,749,173 | $ | (1,263,054 | ) | ||||||
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The following table summarizes amortization expense and the weighted-average lives of identified intangible assets:
| Weighted- Average Lives |
Year Ended December 31, | |||||||||||||||
| 2013 | 2012 | 2011 | ||||||||||||||
| (In months) | (In thousands) | |||||||||||||||
|
Current technology |
52 | $ | 47,352 | $ | 48,736 | $ | 49,243 | |||||||||
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Customer base |
47 | 40,178 | 35,316 | 33,921 | ||||||||||||
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Patent licensing |
36 | 30,521 | 30,618 | 32,125 | ||||||||||||
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Order backlog |
3 | — | 4,500 | — | ||||||||||||
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Trade names |
55 | 465 | 380 | 50 | ||||||||||||
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Workforce |
72 | — | 521 | 596 | ||||||||||||
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Total |
48 | $ | 118,516 | $ | 120,071 | $ | 115,935 | |||||||||
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The estimated annual future amortization expenses related to identified intangible assets as of December 31, 2013 are as follows:
| Amortization Expense |
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| (In thousands) | ||||
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Years ending December 31: |
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2014 |
$ | 119,829 | ||
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2015 |
112,167 | |||
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2016 |
91,430 | |||
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2017 |
32,046 | |||
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2018 and thereafter |
12,131 | |||
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Total |
$ | 367,603 | ||
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Goodwill
As of December 31, 2013 and 2012, goodwill was $255.0 million. After completing annual impairment reviews during the fourth quarters of 2013, 2012 and 2011, the Company concluded that goodwill was not impaired in any of these years. As of December 31, 2013 and 2012, accumulated impairment losses were $2.4 billion.