Oregon: medicinal marihuana users can receive CCW permit
Pdf opinion here. The problem is that medicinal marihuana use may be legal under State law, but it's still forbidden by Federal law, and GCA 68 bans firearm possession by illegal users of marihuana. The court holds that the Federal restriction does not override the Oregon statutory scheme. Note that this means that the Oregon permits are not now valid as an alternative to the Federal background check, as the court notes.