As Microsoft prepares to wrap up its acquisition of Nokia’s handset business, Google and Samsung are making a last-minute appeal to Chinese authorities about possible IPR implications. The two Android allies have written to the Chinese Ministry of Commerce to express their concerns surrounding the $7.5bn deal, which includes a lengthy patent licence. Chinese manufacturers Huawei and ZTE have also complained about the deal to the regulator, which is currently investigating whether Qualcomm is abusing a dominant market position. Google and Samsung are worried that Microsoft will gain too much control of the handset patents base once it has full access to Nokia’s extensive portfolio. Nokia still owns the patents that concern them, as Microsoft only negotiated a 10-year deal…