Sigma Partners

Founded in 1984, Sigma Partners is a venture capital firm specializing in early-stage investments. Headquartered in Boston with additional offices in California, the firm has invested in over a hundred companies across various sectors including semiconductors, mobile computing, and software.

Lawrence G. Finch

Managing Director

Clifford Haas

Managing Director

Wade Woodson

Managing Director

Past deals in DRM

Attributor

Series D in 2010
Attributor Corporation specializes in digital content protection services tailored for the publishing industry. The company offers the Digimarc Guardian solution, which identifies and validates pirated content across various platforms, including cyberlockers and peer-to-peer networks. When unauthorized use is detected, Guardian notifies the hosting site and provides options such as transitioning to authorized content, submitting licensing requests, or issuing a DMCA takedown notice. Additionally, Attributor features an analytics platform that helps publishers assess how digital content is consumed, enabling them to identify infringement, enforce authorized use, analyze market demand, and optimize monetization strategies.

Attributor

Series C in 2008
Attributor Corporation specializes in digital content protection services tailored for the publishing industry. The company offers the Digimarc Guardian solution, which identifies and validates pirated content across various platforms, including cyberlockers and peer-to-peer networks. When unauthorized use is detected, Guardian notifies the hosting site and provides options such as transitioning to authorized content, submitting licensing requests, or issuing a DMCA takedown notice. Additionally, Attributor features an analytics platform that helps publishers assess how digital content is consumed, enabling them to identify infringement, enforce authorized use, analyze market demand, and optimize monetization strategies.

Attributor

Series B in 2006
Attributor Corporation specializes in digital content protection services tailored for the publishing industry. The company offers the Digimarc Guardian solution, which identifies and validates pirated content across various platforms, including cyberlockers and peer-to-peer networks. When unauthorized use is detected, Guardian notifies the hosting site and provides options such as transitioning to authorized content, submitting licensing requests, or issuing a DMCA takedown notice. Additionally, Attributor features an analytics platform that helps publishers assess how digital content is consumed, enabling them to identify infringement, enforce authorized use, analyze market demand, and optimize monetization strategies.

Attributor

Series A in 2006
Attributor Corporation specializes in digital content protection services tailored for the publishing industry. The company offers the Digimarc Guardian solution, which identifies and validates pirated content across various platforms, including cyberlockers and peer-to-peer networks. When unauthorized use is detected, Guardian notifies the hosting site and provides options such as transitioning to authorized content, submitting licensing requests, or issuing a DMCA takedown notice. Additionally, Attributor features an analytics platform that helps publishers assess how digital content is consumed, enabling them to identify infringement, enforce authorized use, analyze market demand, and optimize monetization strategies.
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