Sentence:  The solitary, lumbering trolls of Scandinavian mythology would sometimes be turned to stone by exposure to sunlight. Barack Obama is hoping that several measures announced on June 4th will have a similarly paralysing effect on their <WSD>modern</WSD> incarnation, the patent troll. 
Meaning of the word marked with <WSD> tags:  Pertaining to a current or recent time and style; not ancient.