What are the two types of technical information classified in CPC?
According to MPEP 905.03(a), patent documents contain two types of technical information to classify in the Cooperative Patent Classification (CPC) system: Invention information: This is mandatory to classify and represents an addition to the state of the art. Additional information: This is discretionary and complements the invention information without necessarily representing an addition to the…
Read MoreWhat is the difference between invention information and additional information in CPC classification?
In CPC classification, there is a distinction between invention information and additional information. According to MPEP 909.01(a): Invention information refers to the technical features that represent the claimed invention’s contribution to the art. Additional information includes technical features that are not essential to the invention but are still considered important for search purposes. The MPEP…
Read MoreWhat types of technical information are classified in the CPC system?
The CPC system classifies two main types of technical information found in patent documents: Invention Information: This is mandatory to classify and represents an addition to the state of the art. The MPEP defines it as: “Invention information is technical information in the total disclosure of a patent document (for example, description, drawings, claims) that…
Read MoreHow are CPC symbols used in patent documents?
CPC symbols are used in patent documents to indicate the technical subject matter covered by the invention. According to MPEP 905.01, CPC symbols are applied as follows: Invention information: CPC symbols representing invention information are listed first on the patent document and are printed in bold font. Additional information: CPC symbols representing additional information are…
Read MoreHow are type and position attributes used in CPC classification?
In CPC classification, each symbol allocation is associated with type and position attributes. These attributes provide additional context about the classification and its relevance to the patent document. According to MPEP 905.03(a): Type Attributes: Invention Information: “When allocating CPC symbols to a document based on disclosed invention information, the type attribute is set to ‘invention.’”…
Read MoreWhat are the general rules for identifying subject matter to classify in CPC?
The general rules for identifying subject matter to classify in CPC are: All subject matter covered by the claims of a patent document must be classified as invention information, including novel and unobvious constituents or components. Any unclaimed subject matter in the disclosure that is novel and unobvious must also be classified as invention information.…
Read MoreHow does the CPC classification system handle inventions with multiple aspects?
The CPC classification system has a specific approach for handling inventions with multiple aspects. According to MPEP 905.03(b): If the subject matter of an application includes two or more separate inventions, the application should be classified in all relevant places. This means that inventions with multiple aspects or features may receive multiple classifications to ensure…
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