This $#!+ has been spread by Bill Lawrence's former business partner for decades, with lawsuits, mudslinging, etc. You can search many other forums for many other views on the matter.
Bottom line: there is only one Bill Lawrence, whatever he may have been called before he emigrated from Germany to the USA, decades ago, and he makes great pickups:
http://www.billlawrence.com/
If it doesn't come directly from this man, it's not a real Bill Lawrence pickup.