What is the primary purpose of a search during patent examination?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-10 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. The primary purpose of a search during patent examination is to identify relevant prior art after the examiner has read and understood the specification and claims. As stated in MPEP 704.01 : “After reading the specification and claims, the examiner searches the prior art.” This search helps determine the novelty and non-obviousness of the claimed invention. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Examiner Searches Prior Art After Reading Specification and Claims MPEP 704.01 Examiner Must Search Prior Art After Reading Specification and Claims MPEP 704.01 Examiner Must Search Prior Art After Understanding Invention MPEP 704.01 Requirement for Determining Prior Art Status of Dependent Claim Elements MPEP 704.11(a) Requirement for Information During Patent Proceedings MPEP 704.11(b) Prior Art Search for Claims MPEP 706 Petition to Withdraw or Modify 105 Requirement MPEP 704.14(c) Permitted Petitions Do Not Extend Reply Period for 37 CFR 1.105 Requirement MPEP 704.14(c) Search Required for Thoroughly Understood Invention MPEP 704.01 Recommended Review Previous Search Thoroughly MPEP 704.01 Recommended Other Related FAQs 5 FAQs Collapse How does MPEP 704 define a &#8216;reasonable search&#8217; for prior art? How should an examiner approach a previously searched application? When should an examiner conduct a search for an imperfectly understood application? Where can I find more detailed information about patent searching procedures? Why is it important to thoroughly understand the invention before conducting a search?