An overbroad patent for **"Policy Enforcement"** was granted to [Hewlett-Packard](http://hp.com) July 20, 2013.

"It heavily constrains commercial exploitation of research done in the **Semantic Web/Semantic Web Services** community from 2001-2009." - [Martin Hepp](http://www.heppnetz.de/)

[US8498959 "Policy Enforcement"](https://www.google.com/patents/US8498959)

* Prior Art Date: Seeking prior art predating **November 28, 2009**
* Patent Number: [8498959](https://www.google.com/patents/US8498959)

Why [New HP patent could be a barrier to semantic web services adoption](http://lists.w3.org/Archives/Public/semantic-web/2013Jul/0143.html)