The six rules of patent litigation are

Answer: d

202 1/2020 Edition Textbook P25

However, within six months before the date of filing, the invention-creation applying for a patent will not lose its novelty in any of the following circumstances: ① it was exhibited for the first time at an international exhibition sponsored or recognized by the China government; (2) It was first published at a designated academic conference or technical conference; (three) without the consent of the applicant, others disclose its contents.