Could patent wars hinder innovation?

Help

Is the patent system a vital part of innovation infrastructure or is it a hindrance?

The BBC's technology correspondent Rory Cellan-Jones asks whether it is the only way that inventors can be certain that their ideas can be protected from thieves, or if it is tying innovators in knots.

Broadcast on Tuesday 8 November 2011.

BBC © 2013 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.