Robert Cantrell

Robert L. Cantrell

A patent strategist, Robert Cantrell is the author of “Outpacing the Competition: Patent-Based Business Strategy” and “Understanding Sun Tzu on the Art of War”.

Is a Patent Defensive?

Is a patent defensive?  On the surface, yes, it is.  It allows the patent owner to enforce (defend) the exclusivity of an invention. Strategically, however, a valuable patent is more an offensive tool than a defensive tool. It is a way to enact the classical strategy principle of the offensive defense, which means to take a position that is important to an […]

Actionable Patent Landscapes

Twenty years ago, patent information was expensive, readily accessible only by professional researchers, and the tools to process it fairly crude. Today, patent information is cheap – many sources free, can be accessed by anyone, and the tools to analyze it quite sophisticated. One universal problem, however, has not changed from then to now. Decision-makers often receive patent landscape reports that offer […]

On the Other Side of the Castle Wall

Leading patent strategist Robert Cantrell, author of “Outpacing the Competition: Patent-Based Business Strategy” and “Understanding Sun Tzu on the Art of War”, has joined iRunway as Vice President of Sales. A year ago today, I wrote a blog post titled “Is a Patent Really Defensive?”  The central argument was that patents, like the real stone and mortar castles of old, […]