Transpera, a mobile video advertising network, today announced it secured a third round of funding for $9 million as well as the official launch of its Attention Network platform. Funding was lead by the Research In Motion-backed Blackberry Partners Fund.

Transpera gives advertisers and publishers a way to connect with consumers through interactive video ads. Video ads can be placed on mobile websites as well as in apps built for platforms such as Android, Blackberry, iPhone and iPad. The company’s video placements follow the typical industry format, appearing before or in between content pieces.

The company claims some impressive brand names as customers, including, CBS News, Discovery Communications,, MTV Networks, Showtime and Travel Channel.

The San Francisco-based company, founded by Frank Barbieri (pictured above), recently secured a second round of funding for  $2 million. Its first round of $8.25 million was raised in November 2008. Its latest round brings the total to $19.3 million. Existing investors Flybridge Capital Partners, First Round Capital, Intel Capital and Labrador Ventures all participated in the third round of funding.

Competitors include Avot Media and mDialog.