JP2010009272A - Paten evaluation device - Google Patents

Paten evaluation device Download PDF

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JP2010009272A
JP2010009272A JP2008166913A JP2008166913A JP2010009272A JP 2010009272 A JP2010009272 A JP 2010009272A JP 2008166913 A JP2008166913 A JP 2008166913A JP 2008166913 A JP2008166913 A JP 2008166913A JP 2010009272 A JP2010009272 A JP 2010009272A
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keyword
patent publication
degree
prescribed
evaluation
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Japanese (ja)
Inventor
Hiroshi Kawabata
弘 川畑
Masahiro Shinoda
正博 篠田
Shigehiro Nishimura
成弘 西村
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Abstract

<P>PROBLEM TO BE SOLVED: To evaluate genuineness/falseness or an accordance degree related to a prescribed keyword of a patent publication, for example, with comparatively high accuracy. <P>SOLUTION: This patent evaluation device has: a search means for searching for an appearance position of prescribed keyword in the patent publication; a calculation means for calculating the accordance degree of the patent publication related to the keyword as a statistic of a product of a weighting coefficient prescribed about a bibliographic item column constituting the patent publication and the number of the keywords appearing in each bibliographic item column; and an evaluation means for evaluating the genuineness/falseness of the patent publication related to the keyword according to whether the accordance degree exceeds a prescribed threshold value or not. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、特許公報の、所定のキーワードに係る真贋又は合致度を評価するための特許評価装置に関するものである。   The present invention relates to a patent evaluation apparatus for evaluating the authenticity or degree of matching of a predetermined keyword in a patent publication.

例えば多数の特許から成るパテントプールを構築するにあたり、多数の特許公報の中から所定のキーワードに係るものを検索するために、個々の特許公報が当該キーワードにどの程度合致するかを評価する必要がある。かかる評価を行うために、例えば特許文献1に記載された特許評価方法及び特許評価システムが提案されている。この文献によると、特許検索結果または予約検索機能による特許文献データを取込む過程と、前記特許文献データの書誌的事項である、出願人、IPC、発明の名称等のリストにより前記特許文献データを分類する過程と、前記特許文献データの抄録や全文・全図の内容を特許情報検索システムから取得して、リストとは別の評価画面に表示しながら前記特許文献データをさらに分類・評価する過程と、を備えることにより、特許文献評価作業の軽減を実現可能であるという。
特開2005−32136号公報
For example, when constructing a patent pool consisting of a large number of patents, it is necessary to evaluate how much each patent gazette matches the keyword in order to search for a certain keyword from a large number of patent gazettes. is there. In order to perform such evaluation, for example, a patent evaluation method and a patent evaluation system described in Patent Document 1 have been proposed. According to this document, the patent document data is obtained from a list of patent search results or a process of taking in patent document data by a reservation search function, and the bibliographic items of the patent document data, such as applicant, IPC, and name of the invention. The process of classifying, and the process of acquiring the abstract of the patent document data and the contents of the full text / all figures from the patent information search system and further classifying and evaluating the patent document data while displaying it on an evaluation screen different from the list It is said that it is possible to reduce the patent document evaluation work.
JP 2005-32136 A

しかしながら、例えば前述の特許文献1に開示されている技術では、個々の特許公報の、所定のキーワードに係る真贋又は合致度を正確に評価できない虞がある。これは、特許公報における、当該キーワードの出現位置を十分に考慮していないためである。例えば、特許発明の技術的範囲を規定するのは「特許請求の範囲」の記載である一方、「要約」の記載は特許発明の技術的範囲を規定する際に考慮してはならないにもかかわらず(特許法第七十条)、「特許請求の範囲」に出現する当該キーワードと、「要約」に出現する当該キーワードとを同様の重み付けとして取り扱っているからである。   However, for example, with the technique disclosed in Patent Document 1 described above, there is a possibility that the authenticity or degree of matching of a predetermined keyword in each patent publication cannot be accurately evaluated. This is because the appearance position of the keyword in the patent publication is not sufficiently considered. For example, the technical scope of a patented invention is defined by the “claims”, while the description of the “summary” should not be considered when defining the technical scope of the patented invention. (Patent Act Article 70), the keyword appearing in “Claims” and the keyword appearing in “Summary” are treated as the same weighting.

本発明は、例えば上述した問題点に鑑みてなされたものであり、特許公報の、所定のキーワードに係る真贋又は合致度を比較的精度良く評価可能な特許評価装置を提供することを課題とする。   The present invention has been made in view of, for example, the above-described problems, and an object of the present invention is to provide a patent evaluation apparatus capable of evaluating the authenticity or the degree of matching of a predetermined keyword in a patent publication with relatively high accuracy. .

本発明の特許評価装置は、上記課題を解決するために、
所定のキーワードの、特許公報における出現位置を探索する探索手段と、
当該特許公報を構成する書誌項目欄について予め規定された重み付け係数と、各書誌項目欄に出現する当該キーワードの個数との積の総計値として、当該キーワードに係る当該特許公報の合致度を算出する算出手段と、
該合致度が所定閾値を越えるか否かに応じて、当該キーワードに係る当該特許公報の真贋を評価する評価手段と
を備えることを特徴とする特許評価装置である。
In order to solve the above problems, the patent evaluation device of the present invention provides
Search means for searching for an appearance position of the predetermined keyword in the patent publication;
The degree of coincidence of the patent gazette related to the keyword is calculated as a total value of the product of the weighting coefficient defined in advance for the bibliographic item column constituting the patent gazette and the number of the keywords appearing in each bibliographic item column. A calculation means;
An evaluation means for evaluating the authenticity of the patent gazette related to the keyword according to whether or not the degree of matching exceeds a predetermined threshold value.

本発明の特許評価装置によると、特許公報における、当該キーワードの出現位置を十分に考慮しているので、特許発明の技術的範囲に対する寄与率が低い欄に記載されたキーワードを必要以上に高く評価することがないので、特許公報の、所定のキーワードに係る真贋又は合致度を比較的精度良く評価可能となる。   According to the patent evaluation device of the present invention, the appearance position of the keyword in the patent gazette is sufficiently taken into consideration, so the keyword described in the column with a low contribution ratio to the technical scope of the patented invention is evaluated more than necessary. Therefore, it is possible to evaluate the authenticity or the degree of matching of a predetermined keyword in the patent publication with relatively high accuracy.

本発明の作用及び他の利得は、次に説明する実施するための最良の形態から明らかにされよう。   The operation and other advantages of the present invention will become apparent from the best mode for carrying out the invention described below.

以下、発明を実施するための最良の形態として本発明の一実施形態を詳細に説明する。   Hereinafter, an embodiment of the present invention will be described in detail as the best mode for carrying out the invention.

実施形態に係る特許評価装置において、
・探索手段は、例えば演算装置および記憶装置からなり、所定のキーワード(例えば、「フラーレン」、「燃料電池」、及び「遺伝子」等)の、特許公報における出現位置を探索する。具体的には、Quick Search法やエイホ-コラシック法といった既知の文書検索アルゴリズムにより、当該キーワードが、当該特許公報を構成する書誌項目欄(例えば、「特許請求の範囲」、「発明の名称」、「背景技術」、「発明が解決しようとする課題」、「課題を解決するための手段」、「実施例」、「要約」等)のうちどの欄に幾つ含まれるかを探索する。
・算出手段は、例えば演算装置および記憶装置からなり、当該特許公報を構成する書誌項目欄について予め規定された重み付け係数と、各書誌項目欄に出現する当該キーワードの個数との積の総計値として、当該キーワードに係る当該特許公報の合致度を算出する。ここで、重み付け係数は、各書誌項目欄の、特許発明の技術的範囲に対する寄与率に鑑みて予め実験的に設定されている値であり、例えば「特許請求の範囲」や「課題を解決するための手段」に係る重み付け係数は「要約」、「発明の名称」、及び「背景技術」に係るそれよりも大きく設定される。また、合致度は、キーワードの出現位置のみならず、出現位置の組み合わせを加味して補正されてもよい。
・評価手段は、例えば演算装置および記憶装置からなり、該合致度が所定閾値を越えるか否かに応じて、当該キーワードに係る当該特許公報の真贋を評価する。例えば、合致度が所定閾値を越えない場合には、当該特許公報中に当該キーワードが出現したのは付随的な説明のためにすぎず、当該特許公報は当該キーワードとは殆ど関係ない(すなわち「雁」である)と評価される。逆に、合致度が所定閾値を越える場合には、当該特許公報は当該キーワードとは大いに関係ある(すなわち「真」である)と評価される。なお、閾値は、絶対的なものでもよいし、他の特許公報と比較した場合の相対的なものでもよい。
以上説明した本発明の特許評価装置によると、特許公報における、当該キーワードの出現位置を十分に考慮しているので、特許発明の技術的範囲に対する寄与率が低い欄に記載されたキーワードを必要以上に高く評価することがないので、特許公報の、所定のキーワードに係る真贋又は合致度を比較的精度良く評価可能となる。
In the patent evaluation device according to the embodiment,
The search means includes, for example, an arithmetic device and a storage device, and searches for the appearance position of a predetermined keyword (for example, “fullerene”, “fuel cell”, “gene”, etc.) in the patent publication. Specifically, according to a known document search algorithm such as the Quick Search method or the Aiho-Colachic method, the keyword is a bibliographic item column (for example, “claims”, “name of invention”, “Background Art”, “Problem to be Solved by the Invention”, “Means for Solving the Problem”, “Example”, “Summary”, etc.)
The calculation means is composed of, for example, an arithmetic device and a storage device, and is a total value of products of weighting factors defined in advance for the bibliographic item columns constituting the patent gazette and the number of the keywords appearing in each bibliographic item column. The degree of coincidence of the patent gazette related to the keyword is calculated. Here, the weighting coefficient is a value that is experimentally set in advance in view of the contribution ratio of each bibliographic item column to the technical scope of the patented invention. For example, the “claims” and “solve the problem” The weighting coefficient relating to “means for” is set larger than that relating to “summary”, “title of invention”, and “background art”. In addition, the degree of match may be corrected by taking into account not only the appearance position of the keyword but also the combination of the appearance positions.
The evaluation unit includes, for example, an arithmetic device and a storage device, and evaluates the authenticity of the patent publication related to the keyword depending on whether the matching degree exceeds a predetermined threshold. For example, when the degree of match does not exceed a predetermined threshold, the keyword appears in the patent gazette only for an accompanying explanation, and the patent gazette has little relation to the keyword (that is, “雁 ”). Conversely, if the degree of match exceeds a predetermined threshold value, the patent publication is evaluated to be highly related to the keyword (that is, “true”). The threshold value may be absolute or may be a relative value when compared with other patent publications.
According to the above-described patent evaluation device of the present invention, the appearance position of the keyword in the patent gazette is fully taken into account, so the keyword described in the column with a low contribution rate to the technical scope of the patented invention is more than necessary. Therefore, it is possible to evaluate the authenticity or the degree of matching of a predetermined keyword in the patent publication with relatively high accuracy.

本発明は、上述した実施形態に限られるものではなく、請求の範囲及び明細書全体から読み取れる発明の要旨、或いは思想に反しない範囲で適宜変更可能であり、そのような変更を伴う差込プラグ封止装置も又、本発明の技術的範囲に含まれるものである。   The present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the gist or concept of the invention that can be read from the claims and the entire specification. The sealing device is also included in the technical scope of the present invention.

Claims (1)

所定のキーワードの、特許公報における出現位置を探索する探索手段と、
当該特許公報を構成する書誌項目欄について予め規定された重み付け係数と、各書誌項目欄に出現する当該キーワードの個数との積の総計値として、当該キーワードに係る当該特許公報の合致度を算出する算出手段と、
該合致度が所定閾値を越えるか否かに応じて、当該キーワードに係る当該特許公報の真贋を評価する評価手段と
を備えることを特徴とする特許評価装置。
Search means for searching for an appearance position of the predetermined keyword in the patent publication;
The degree of coincidence of the patent gazette related to the keyword is calculated as a total value of the product of the weighting coefficient defined in advance for the bibliographic item column constituting the patent gazette and the number of the keywords appearing in each bibliographic item column. A calculation means;
A patent evaluation apparatus comprising: an evaluation unit that evaluates the authenticity of the patent gazette related to the keyword according to whether or not the degree of match exceeds a predetermined threshold value.
JP2008166913A 2008-06-26 2008-06-26 Paten evaluation device Pending JP2010009272A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017138931A (en) * 2016-02-05 2017-08-10 雲拓科技有限公司 Patent search method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017138931A (en) * 2016-02-05 2017-08-10 雲拓科技有限公司 Patent search method

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