His ideas sounds awfully similar to YCombinator's.
Grounds for a patent dispute?
Does pg really own Lean Startup?
Coca Cola and Pepsi each own trademarks for their respective names and likenesses, but neither own patents on the idea of selling sugared water.
[1] http://en.wikipedia.org/wiki/Trademark [2] http://en.wikipedia.org/wiki/Patent
But my point is, don't you find it at all absurd that Eric Ries is trying to own the term "Lean Startup"? It strikes me as being a little ridiculous.
Coca Cola and Pepsi each own trademarks for their respective names and likenesses, but neither own patents on the idea of selling sugared water.