PCT and Paris Convention invention patents, utility models, design specifications, Notice of the Patent Office, such as a notice of office and a notice of rejection, Documents to respond to notifications, such as amendments and opinions, Patent evaluation report, Documents related to invalidity, such as a invalidation request and an invalidity announcement, Contracts such as patent assignment contracts and powers of attorney, Documents related to trademark registration, Appraisal, Warning note, Documents related to litigation, such as intellectual property judgment