What is a classified search in patent examination?
A classified search in patent examination refers to searching specific classification areas where the claimed subject matter of a patent application would be properly classified. According to MPEP 904.02(a): “A search areas included in a proper field of search normally include the classification locations in which the claimed subject matter of an application would be…
Read MoreWhat classification systems are used in patent searches?
Patent searches utilize multiple classification systems to organize and search for prior art. According to MPEP 904.02(a), the main classification systems used are: Cooperative Patent Classification (CPC) U.S. Patent Classification (USPC) Other organized systems of literature The MPEP states: “Every group/subgroup and secondary classification area of the Cooperative Patent Classification, class/subclass of the U.S. Patent…
Read MoreWhat transactions can patent examiners perform using the Classification Manager tool?
The Classification Manager tool allows patent examiners to perform several transactions related to patent classification. According to the MPEP, examiners can request the following: Add cross-reference (XR) or secondary classifications Delete XR or secondary classifications Change original or primary classifications Add or delete International Patent Classification (IPC) classifications Specifically, the MPEP states: “(A) Add any…
Read MoreWhat types of patents can be managed using the Classification Manager tool?
The Classification Manager tool is specifically designed for managing the classification of design patents. The MPEP clearly states: “The Classification Manager tool is available only for design patents.” This means that utility patents and plant patents are not managed through this particular tool. Patent examiners working with design patents can use the Classification Manager to…
Read MoreWhat is the purpose of C* designations in patent application classification?
C* designations play a crucial role in the classification of patent applications at the USPTO. According to MPEP 909.01(b): “Every nonprovisional utility application, new or amended, and including the drawings, if any, when first received by the USPTO must be fully classified and have C* designations assigned to those CPC symbols on the application that…
Read MoreWhat are C* designations in patent application classification?
C* designations refer to Cooperative Patent Classification (CPC) symbols used to classify patent applications. These designations play a crucial role in the automated routing of applications to appropriate examiners. According to MPEP 909.01(a): “…the assigned examiner may submit a classification challenge to have a C* designation added and/or a C* designation removed.” C* designations represent…
Read MoreWhat is a C-STAR (C*) in CPC classification?
A C-STAR (C*) is an important designation in the Cooperative Patent Classification (CPC) system. According to MPEP 905.03(a): “A C-STAR (C*) is applied to an allocated symbol from the classification picture on an application when that symbol represents at least one concept that is claimed.” Key points about C-STAR: It is mandatory to apply C*…
Read MoreWhat are the benefits of harmonized subclasses in patent classification?
Harmonized subclasses in patent classification systems offer several benefits: Improved consistency across major patent offices Easier cross-jurisdictional patent searches Enhanced efficiency in prior art searches Facilitated international patent prosecution Better understanding of global patent landscapes The MPEP’s mention of harmonization between the USPC, EPO, and JPO indicates a move towards a more standardized global patent…
Read MoreWhat is the difference between basic subject matter and features for additional purposes in patent classification?
In patent classification, there’s an important distinction between basic subject matter and features for additional purposes. MPEP 903.02(b) provides definitions for both: Basic Subject Matter: “The combination of features necessary and essential to the fundamental character of the subject matter treated; e.g., a stonecrusher requires a minimum number of features as essential before it can…
Read MoreHow should I analyze the scope of a class in the USPC?
When analyzing the scope of a class in the USPC, you should follow these steps: Determine the types of subject matter contained in the class (e.g., manufacture, art, apparatus, or stock material). For each type of subject matter, consider various combinations and subcombinations, including: Basic subject matter combined with features for additional purposes Basic subject…
Read More