Sigma Partners

Sigma Partners, established in 1984, is a venture capital firm headquartered in Boston, Massachusetts, with additional offices in California. It specializes in early-stage investments, focusing on software and technology sectors. The firm has managed over $2 billion and has invested in more than a hundred startups.

Lawrence G. Finch

Managing Director

Clifford Haas

Managing Director

Pete Solvik

Managing Director

Bob Spinner

Managing Director

Wade Woodson

Managing Director

Past deals in DRM

Attributor

Series D in 2010
Attributor Corporation specializes in online book protection services aimed at the publishing industry. It offers the Digimarc Guardian solution, which identifies and verifies instances of copyright infringement across various platforms, including cyberlockers and peer-to-peer networks. When unauthorized use is detected, Guardian notifies the hosting site and provides options for compliance, such as transitioning to authorized content, submitting a licensing request, or issuing a DMCA takedown notice. Additionally, Attributor provides an analytics platform that helps publishers understand how and where their digital content is consumed, enabling them to enforce authorized use, analyze market demand, and monetize their digital assets effectively.

Attributor

Series C in 2008
Attributor Corporation specializes in online book protection services aimed at the publishing industry. It offers the Digimarc Guardian solution, which identifies and verifies instances of copyright infringement across various platforms, including cyberlockers and peer-to-peer networks. When unauthorized use is detected, Guardian notifies the hosting site and provides options for compliance, such as transitioning to authorized content, submitting a licensing request, or issuing a DMCA takedown notice. Additionally, Attributor provides an analytics platform that helps publishers understand how and where their digital content is consumed, enabling them to enforce authorized use, analyze market demand, and monetize their digital assets effectively.

Attributor

Series B in 2006
Attributor Corporation specializes in online book protection services aimed at the publishing industry. It offers the Digimarc Guardian solution, which identifies and verifies instances of copyright infringement across various platforms, including cyberlockers and peer-to-peer networks. When unauthorized use is detected, Guardian notifies the hosting site and provides options for compliance, such as transitioning to authorized content, submitting a licensing request, or issuing a DMCA takedown notice. Additionally, Attributor provides an analytics platform that helps publishers understand how and where their digital content is consumed, enabling them to enforce authorized use, analyze market demand, and monetize their digital assets effectively.

Attributor

Series A in 2006
Attributor Corporation specializes in online book protection services aimed at the publishing industry. It offers the Digimarc Guardian solution, which identifies and verifies instances of copyright infringement across various platforms, including cyberlockers and peer-to-peer networks. When unauthorized use is detected, Guardian notifies the hosting site and provides options for compliance, such as transitioning to authorized content, submitting a licensing request, or issuing a DMCA takedown notice. Additionally, Attributor provides an analytics platform that helps publishers understand how and where their digital content is consumed, enabling them to enforce authorized use, analyze market demand, and monetize their digital assets effectively.
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