Edwards Lifesciences Corp | 2013 | FY | 3


6.    GOODWILL AND OTHER INTANGIBLE ASSETS

        The changes in the carrying amount of goodwill, by segment, during the years ended December 31, 2013 and 2012 were as follows:

 
  United
States
  Europe   Total  
 
  (in millions)
 

Goodwill at December 31, 2011

  $ 308.3   $ 41.5   $ 349.8  

Goodwill acquired during the year

        34.9     34.9  
               

Goodwill at December 31, 2012

    308.3     76.4     384.7  

Currency translation adjustment

        0.7     0.7  
               

Goodwill at December 31, 2013

  $ 308.3   $ 77.1   $ 385.4  
               
               

        Other intangible assets consist of the following (in millions):

 
  December 31,  
 
  2013   2012  
 
  Cost   Accumulated
Amortization
  Net
Carrying
Value
  Cost   Accumulated
Amortization
  Net
Carrying
Value
 

Amortizable intangible assets

                                     

Patents

  $ 221.7   $ (179.9 ) $ 41.8   $ 211.2   $ (167.3 ) $ 43.9  

Developed technology

    43.3     (35.1 )   8.2     41.3     (33.0 )   8.3  

Other

    10.7     (8.1 )   2.6     10.6     (6.8 )   3.8  
                           

 

    275.7     (223.1 )   52.6     263.1     (207.1 )   56.0  

Unamortizable intangible assets

                                     

IPR&D

    4.6         4.6     11.0         11.0  
                           

 

  $ 280.3   $ (223.1 ) $ 57.2   $ 274.1   $ (207.1 ) $ 67.0  
                           
                           

        Goodwill and IPR&D resulting from purchase business combinations are not subject to amortization. Other acquired intangible assets with definite lives are amortized on a straight-line basis over their expected useful lives. The Company expenses costs incurred to renew or extend the term of acquired intangible assets.

        In December 2013, the Company recorded a $5.9 million write-off of IPR&D assets acquired from Embrella. For further information, see Note 5.

        The net carrying value of patents includes $23.4 million and $19.2 million of capitalized legal costs related to the defense and enforcement of issued patents for which success is deemed probable as of December 31, 2013 and 2012, respectively (see Note 2).

        Amortization expense related to other intangible assets for the years ended December 31, 2013, 2012 and 2011 was $15.7 million, $13.3 million and $14.1 million, respectively. Estimated amortization expense for each of the years ending December 31 is as follows (in millions):

2014

  $ 15.1  

2015

    13.8  

2016

    13.4  

2017

    6.6  

2018

    1.3  

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