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Intangible assets, net
9 Months Ended
Sep. 30, 2017
Intangible assets, net [Abstract]  
Intangible assets, net
7.
Intangible assets, net

At September 30, 2017 and December 31, 2016, intangible assets, primarily consisting of acquired patents, and accumulated amortization were as follows (in thousands):

  
September 30, 2017
(unaudited)(1)
  
December 31,
2016
 
Intangible assets
 
$
23,294
  
$
25,703
 
Accumulated amortization
  
(15,812
)
  
(15,497
)
Intangible assets, net
 
$
7,482
  
$
10,206
 

(1) Reflects the effect of the OncoCyte Deconsolidation.

BioTime recognized $1.8 million and $2.9 million in amortization expense of intangible assets, included in research and development expenses, during the nine months ended September 30, 2017 and 2016, respectively.