If your offer is right, it can be easy enough to entice experienced employees from your competitors.  But what are the restrictions facing both you and your incoming employees if you do so?  At what point does simple recruiting lead to a claim against your company for breach of restrictive covenants?  On the other hand, what recourse do you have if another company seems to be targeting some of your employees for their special skills or knowledge?  Can you prevent competitors from taking advantage of the years of training and specialized knowledge that you have invested in your employees?