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Patent value evaluation method based on value delivery

A value evaluation and patent technology, applied in the field of value transfer-based patent value evaluation, can solve problems such as lack of citation information

Inactive Publication Date: 2013-05-22
WUHAN UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention mainly solves the technical problems existing in the prior art; provides a patent value based on value transfer that considers the impact of potential citation relationships on patent value; solves the impact caused by the lack of partial citation information in Chinese patents assessment method

Method used

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  • Patent value evaluation method based on value delivery
  • Patent value evaluation method based on value delivery
  • Patent value evaluation method based on value delivery

Examples

Experimental program
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Effect test

Embodiment

[0072] A patent value evaluation method based on value transfer includes a static evaluation step and a dynamic update step of the patent value, respectively performing the static evaluation and dynamic update of the patent value. It is based on the definition: a collection of patent documents D={d 1 , d 2 ...,d n}, the time set of patent publication T={T 1 ,T 2 ...,T n}. Among them, d i Indicates the document content of patent i; T i Indicates the application time of patent i. The specific operation of the method is as follows:

[0073] The static evaluation steps of the patent value:

[0074] Step 1.1, calculate the similarity between two patent documents in the patent collection.

[0075] The present invention intends to use the method of value transfer in the similarity network to evaluate the value of patents. First, it is necessary to establish a similarity network of patent document sets. Traditional document similarity methods include cosine similarity, Jacc...

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Abstract

The invention discloses a patent value evaluation method based on value delivery. The patent value evaluation method includes a patent value static evaluation process and a dynamic renewal process. In the patent value evaluation process, firstly, a patent quotation network is built according to similarities between patents, and patent value in each node is initialized; secondly, contribution degree is calculated by value from a 'quoted' patent to a target patent according to node value of the 'quoted' patent, and patent quantity quoted by the 'quoted' node and patent published time, and then target patent value is acquired by accumulation; finally, each patent value is sequentially calculated. When a new patent is available, the similarities between the patent and an existing patent are firstly calculated, and then a 'quoted' relationship is built up, and finally values of patents are sequentially updated. The patent value evaluation method can calculate value of each patent from a patent database based on a delivery idea of PageRank algorithm, and has high effectiveness.

Description

technical field [0001] The invention relates to a patent value evaluation method, in particular to a patent value evaluation method based on value transfer. Background technique [0002] With the development of the process of economic globalization, knowledge and useful information are showing an explosive growth rate, and the proportion of knowledge-based industries in the domestic economy continues to increase. focus of competition. At present, intellectual property rights have attracted extensive attention from various countries. As early as 2002, Japan had already proposed the national strategy of establishing an "intellectual property country". [0003] Patent is the world's largest source of technical information, the carrier of scientific and technological information and knowledge, and an invention protected by laws and regulations. It refers to the patent application for an invention and creation to the national examination and approval authority, and the patent a...

Claims

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Application Information

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IPC IPC(8): G06Q10/04
Inventor 彭智勇冯岭李展
Owner WUHAN UNIV
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