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Patents and other intangible assets
9 Months Ended
Sep. 30, 2011
Patents and other intangible assets
4. Patents and other intangible assets

 

(US$ in thousands)

    September 30,
2011		     December 31,
2010		  

Cost

     

Patents and developed technologies

    $ 26,607      $ 26,226   

Trademarks – definite lived (subject to amortization)

      592        543   

Trademarks – indefinite lived (not subject to amortization)

      23,104        23,104   

Contracts with insurers

      1,000        —     

Distribution networks

      44,586        44,586   
  

 

 

    

 

 

  
     95,889        94,459   

Accumulated amortization

     

Patents and developed technologies

      (19,870 )      (18,267 ) 

Trademarks – definite lived (subject to amortization)

      (375 )      (337 ) 

Contracts with insurers

      (188 )      —     

Distribution networks

      (36,518 )      (34,398 ) 
  

 

 

    

 

 

  
     (56,951 )      (53,002 ) 
  

 

 

    

 

 

  

Patents and other intangible assets, net

    $ 38,938      $ 41,457   
  

 

 

    

 

 

  

The $1 million of contracts with insurers relates to the Omni Motion, Inc. acquisition, which is discussed in further detail in Note 5. Amortization expense for intangible assets is estimated to be approximately $2.6 million for the remainder of 2011 and $5.2 million, $2.3 million, $1.8 million, $1.2 million, $1.0 million and $1.7 million for the periods ending December 31, 2012, 2013, 2014, 2015 and 2016 and thereafter, respectively.