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  1. 133 社会科学研究所
  2. 社會科學研究
  3. 56
  4. 3-4
  1. 0 資料タイプ別
  2. 30 紀要・部局刊行物
  3. 社會科學研究
  4. 56
  5. 3-4

補完的技術革新下での知的財産権の行使,ライセンス契約と経済厚生に関する理論分析

http://hdl.handle.net/2261/15438
15708470-cd2b-479b-87dd-944795be6260
名前 / ファイル ライセンス アクション
KJ00004192090.pdf KJ00004192090.pdf (1.2 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2008-09-19
タイトル
タイトル 補完的技術革新下での知的財産権の行使,ライセンス契約と経済厚生に関する理論分析
言語
言語 jpn
キーワード
主題 補完的技術
主題Scheme Other
キーワード
主題 特許権侵害
主題Scheme Other
キーワード
主題 知的財産権の行使
主題Scheme Other
キーワード
主題 ライセンス契約
主題Scheme Other
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
その他のタイトル
その他のタイトル An Analysis on Enforcement of Intellectual Property Rights, Licensing and Welfare
著者 新海, 哲哉

× 新海, 哲哉

WEKO 107819

新海, 哲哉

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田中, 悟

× 田中, 悟

WEKO 107820

田中, 悟

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岡村, 誠

× 岡村, 誠

WEKO 107821

岡村, 誠

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著者別名
識別子
識別子 107822
識別子Scheme WEKO
姓名
姓名 Shinkai, Tetsuya
著者別名
識別子
識別子 107823
識別子Scheme WEKO
姓名
姓名 Tanaka, Satoru
著者所属
著者所属 関西学院大学経済学部
著者所属
著者所属 神戸市外国語大学
著者所属
著者所属 広島大学大学院社会科学研究科
抄録
内容記述タイプ Abstract
内容記述 近年,知的財産権の保護は各国で重要な政策である.他方,今日では一財の生産に相当数の技術利用を要する「技術の補完性」が存在する場合が多い.本稿では,同質財市場で競争する2企業が,互いに完全補完的な2技術の特許権を一つずつ保有するとき,互いの特許侵害によるスピルオーバーと,侵害に対する提訴,訴訟費用,損害賠償などの知的財産権の行使を表すパラメータを明示的にモデルに組み込み,2企業間に結ばれる可能性のあるライセンス契約の態様,またライセンス契約の結果達成される市場均衡での経済厚生が,知的財産権の行使から受ける影響を簡単なモデルで分析した.その結果,知的財産権行使を記述するパラメータに関するある条件下では,クロスライセンス契約が結ばれ,かつ経済厚生上独占より望ましい複占均衡が生ずるが,原告の勝訴確率が2分の1より高く,かつ相対的に原告の訴訟費用のほうが被告の訴訟費用より高いとき,片務的なライセンス契約が両企業により結ばれて経済厚生上複占より劣る独占均衡が成立することを示した.
抄録
内容記述タイプ Abstract
内容記述 In this paper, we examine the effect of enforcement of intellectual property rights on the equilibrium outcome and welfare through licensing decision between duopolistic firms with patents of two complementary technologies. We look the probability of the accuser firm winning the lawsuit as a measure of the extent of enforcement of intellectual property rights. Under the assumption that the extent of enforcement of intellectual property rights is relatively strong, we show that inefficient social surplus of monopoly realizes when the litigation cost of the infringer firm is relatively smaller than that of the accuser firm, although social surplus of duopoly realizes when both the litigation costs of the infringer firm and of the accuser firm take are not so high.
書誌情報 社會科學研究

巻 56, 号 3-4, p. 117-134, 発行日 2005-03-10
ISSN
収録物識別子タイプ ISSN
収録物識別子 03873307
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00108966
フォーマット
内容記述タイプ Other
内容記述 application/pdf
日本十進分類法
主題 300
主題Scheme NDC
出版者
出版者 東京大学社会科学研究所
出版者別名
Institute of Social Science, The University of Tokyo
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