What is the patent extension in Macao?

Macao patent extension, Macao patent extension annual fee, the first registration in Macao is subject to the domestic patent application date. Of course, for domestic applications with a long application date, part of the annual fee can be exempted. So what is the patent extension in Macau? Macao patent extension Macao patent extension: the term of invention patent is 20 years from the date of application, and the annual fee is calculated from the date of application. The annual fee for the first three years has been included in the registration application fee, and the annual fees for subsequent years must be submitted to the Economic Services Bureau within six months before the expiry of the relevant patent in the previous year. If an application for annual fee is submitted within six months after the expiration of the period, additional MOP 250 yuan shall be paid. The annual fee for the 4th to 5th years is MOP 500 yuan, and the annual fee for the 6th to 20th years is MOP 800 yuan. The annual fee for an application for a patent for invention filed in Macao by extension shall be calculated from the domestic application date. The annual fee for the first three years has also been included in the registration application fee. For an application for extension of an authorized invention patent, if it is applied for or authorized in China for more than three years, part of the annual fee is exempted. For example, the patent application date in China was 1 month in 2005, the authorization date was 1 month in 2009, and the extension application in Macau was in February 2009. Then the annual patent fee in Macao is from 2005 to 2007, because the extension application registration fee includes the annual fee for the first three years. When the patent pays the annual fee in the next year, that is, 20 10 1, it only needs to pay the annual fee in that year, and the annual fees in 2008 and 2009 do not need to be paid.