Các đối tượng không được bảo hộ dưới danh nghĩa sáng chế được quy định trong Điều 59 Luật Sở hữu Trí tuệ, cụ thể là: Phát minh, lý thuyết khoa học, phương pháp toán học; Sơ đồ, kế hoạch, quy tắc và phương pháp để thực hiện các hoạt động trí óc, huấn luyện

Before the filing date of a patent application, if the patented invention/utility solution has been used by a third party independently of the owner of the patented invention/utility solution . This party shall have “prior user rights”; so called the prior user. The prior user is entitled such use within the scope and volume that

Under the patent law, a patent owner has the following rights: The right to use the patented invention or utility solution exclusively; The right to transfer or assign the patented invention or utility solution; The right to license all or parts of the patented invention or utility solution;  The right to sue infringers. The “use”

Between publication of a patent application and issuance of the patent, if a 3rd party commences to use an invention or utility solution which is identical with the invention or utility solution described in the application, the applicant shall be entitled to warn such party of the filed application. If, in spite of the above

In Vietnam, under current intellectual property law, the term of patent, provided that maintenance fees are paid on time, is 20 years, for patent for invention, and 10 years, for patent for utility solution, from the filing date or international filing date (for PCT application).