Finding the Limits of Open Hardware: Examples and End Cases

We have been working on the Open Source Hardware definition for over two years, but some things are still not clear. Where is the line between open and closed hardware? What rights can a company or individual reserve while still keeping the spirit of the definition? When have they gone too far?

About David Carrier
David Carrier has worked for Parallax inc. for over six years and is currently acting as their open-source liaison. He has developed many open-source hardware products for Parallax, including the Propeller QuickStart, available at your local RadioShack.