French wine closures giant Oeneo has successfully defended its patent to technology used in its DIAM closure, following a challenge by a coalition of natural cork producers.

French wine closures giant Oeneo has successfully defended its patent to technology used in its DIAM closure, following a challenge by a coalition of natural cork producers.
French wine closures giant Oeneo has successfully defended its patent to technology used in its DIAM closure, following a challenge by a coalition of natural cork producers.