The electronic pen company backed by Qualcomm and Presidio Ventures, has received a 66% write-down from another one of its venture backers.

The electronic pen company backed by US-based semiconductor company Qualcomm and Presidio Ventures, a corporate venturing unit of Japan-based conglomerate Sumitomo, has been written down by one of its backers, venture firm Keating Capital.

Keating had written down its investment in Livescribe by 66% to $187,988 from $569,316 cost, at March 31, according to the company’s annual report published last month. The write-down was first spotted by news provider PE Hub.

In 2011 Livescribe raised a series C-1 round at…