What types of documents are included in the patent classification system?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-27 10 Rules 5 Related FAQs This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This is information only: it is not legal advice. According to MPEP 903.01 , which cites 35 U.S.C. 8 , the patent classification system includes: “United States letters patent, and such other patents and printed publications as may be necessary or practicable” This broad definition encompasses: U.S. patents Foreign patents Non-patent literature (printed publications) The inclusion of various document types ensures a comprehensive collection of prior art for patent examiners to use in assessing the novelty and non-obviousness of patent applications. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Utility Patents and Applications Require CPC Classification MPEP 903 Design and Plant Patent Classification Required MPEP 903 Director May Revise Patent Classifications for Novelty Determination MPEP 903.01 Permitted Patent Document E for Novelty Prior Art MPEP 1844.01 Heading for Claim Rejections under 35 U.S.C. 102(a)(2) MPEP 1205.02 Required Claim Rejection Using Prior Art MPEP 1504.01(d) Recommended Exceptions to Prior Art Disclosures by Inventors MPEP 1504.02 Prohibited Disclosure by Inventor Not Prior Art MPEP 1504.02 Prohibited Disclosure Within One Year Not Prior Art MPEP 1504.02 Prohibited Disclosure in Patents Not Prior Art MPEP 1504.02 Prohibited Other Related FAQs 5 FAQs Collapse How does the patent classification system contribute to the examination process? What is the purpose of the patent classification system? What is the statutory authority for the patent classification system? Who has the authority to revise the patent classification system? Can the patent classification system be updated or revised?