Categories Business Models Intellectual Property Piracy Amazon Pursues a Canadian Patent on Selling Used Digital Content | The Digital Reader Post author By Alfonso Papa Malatesta Post date February 25, 2016 No Comments on Amazon Pursues a Canadian Patent on Selling Used Digital Content | The Digital Reader Amazon Pursues a Canadian Patent on Selling Used Digital Content | The Digital Reader Posted from Diigo. Tags Amazon, Ebook, Esaurim, First-Sale Doctrine, ReDigi