What is the “inventive information” in CPC classification?
The “inventive information” in CPC classification refers to novel and non-obvious technical features of an invention. According to MPEP 905.03(b), “Inventive information is defined as technical information in the disclosure of a patent document which represents a contribution to the state of the art.” This information is crucial for determining the appropriate classification of a…
Read MoreWhat is the difference between classification based on inventive concepts and claimed subject matter?
The classification of patent documents based on inventive concepts differs from classification based solely on claimed subject matter. According to MPEP 1302.10: These symbols are based on the inventive concepts in the disclosure, rather than solely based on the claimed subject matter. As such, it is possible that an issue classification will include classification group/subgroup…
Read MoreWhat is the significance of the ‘Fields Searched’ section in an International Search Report?
The ‘Fields Searched’ section in an International Search Report (ISR) is crucial as it indicates the scope and thoroughness of the international search. According to MPEP 1844: “The Search Report should list the classification identification of the fields searched.” This section typically includes: International Patent Classification (IPC) symbols Other classification systems used (e.g., CPC) Keywords…
Read MoreWhat does the International Search Report contain?
The International Search Report (ISR) contains several key elements as outlined in MPEP 1844: Citations of documents considered relevant (PCT Rule 43.5 and Administrative Instructions Section 503) Classification of the subject matter of the invention (PCT Rule 43.3 and Administrative Instructions Section 504) Indication of the fields searched (PCT Rule 43.6) The ISR also includes…
Read MoreWhat are the main classification systems used in international patent law?
According to the MPEP 902, there are multiple classification systems used throughout the international patent system. These include: Cooperative Patent Classification System (CPC) U.S. Patent Classification System (USPC) International Patent Classification System (IPC) Locarno International Classification (Locarno) The MPEP states: “There are multiple classification systems used throughout the international patent system. These include the Cooperative…
Read MoreAre International Patent Classification symbols required for plant patent applications?
Yes, International Patent Classification (IPC) symbols are required for plant patent applications being sent to issue. The MPEP 1611 states: “The International Patent Classification symbols, most recent edition, should be placed on the Issue Classification form of all plant patent applications being sent to issue.“ This requirement ensures that plant patents are properly classified within…
Read MoreWhat is the International Classification of Patents for Inventions?
The International Classification of Patents for Inventions, also known as the International Patent Classification (IPC) or Int. Cl., is a hierarchical patent classification system used to organize and categorize patents and patent applications. According to the MPEP, In accordance with the Strasbourg Agreement Concerning the International Patent Classification, the United States is required to indicate…
Read MoreWhat information is available on the Patent Classification Home Page?
The Patent Classification Home Page provides comprehensive classification information. According to MPEP 902.03(a), the site includes: The Index to the U.S. Patent Classification system (USPC) Class definitions Class schedules These resources are crucial for understanding patent classifications and conducting thorough patent searches. To learn more: USPC Patent Classification Class Definitions Class Schedules
Read MoreWhat is the Index to the U.S. Patent Classification System?
The Index to the U.S. Patent Classification System (USPC) is an alphabetic listing of technical and common terms that refer to specific classes and subclasses within the USPC. As stated in MPEP 902.01(a): “The Index to the U.S. Patent Classification System (USPC) is an alphabetic listing of technical and common terms referring to specific classes…
Read MoreWhat happens if a patent application’s classification is incorrect?
If a patent application’s classification is found to be incorrect or incomplete, a specific process is followed: The assigned examiner submits a C-Star (C*) classification challenge on the unrestricted application. This challenge aims to correct the classification picture. If the C* challenge is deemed proper, the application may be reassigned to a different examiner whose…
Read More