/praɪər ɑrt ˈrɛfərəns/ – Phrase
Definition: viện dẫn trình độ kỹ thuật đã biết rồi.
A more thorough explanation: “Prior art reference” refers to any existing knowledge or information that is relevant to a patent application or an invention, and that was publicly available before the filing date of the patent application. Prior art references can include previously patented inventions, published articles, public demonstrations, or any other information that may impact the patentability of the invention in question.
Example: The patent examiner rejected the patent application, citing a prior art reference that disclosed the same invention claimed in the application.