Black Duck
It could have been me
But it ain’t
http://techtransfer.byu.edu/?products=ip-fisher#:

Potential users of IP-Fisher include:

• Lawyers
• Merger & Acquisition specialists
• Venture Capitalists
• Universities that license software
• Companies that sell source code software
• Companies that buy source code software
• Any merger candidate for Buy or Sell

The Product

Differences between the Invention and the prior art:
From the description at the Black Duck web site, it seems that they compare small parts of the source code to find potentially matching code. The IP Fisher approach uses broader statistics and abstractions of the entire piece of code to measure similarity