Know anything about trademarks? If you fail to defend it, you can basically lose all rights to defending it in the future . . . T-shirt today, wine tomorrow . . . .
You will need to go further than Burgundy to visit Chapoutier. It is based in the Rhone valley, in a small village called Tain l'Hermitage. The most convenient train stop is in Valence which is on the TGV line between Paris and Marseilles.