Are Trade Marks and Patents Complementary or Substitute Protections for Innovation
AbstractThe benefits of innovations for firms strongly depend on their ability to develop complementary appropriability means, including intellectual property (IP) rights. This paper aims at assessing the interrelated effects of two types of IP rights, namely patents and trade marks, considering them in their core function as legal protection devices. Based on a supermodularity analysis, we show that the complementary relationship between trade marks and patents is not straightforward. Depending on the levels of advertising spillovers and depreciation rate, trade marks are found to be either complementary or substitute to patents. Based on a data set encompassing the IP activity of a sample of French publicly traded firms, we find that patents and trade marks are complementary in chemical and pharmaceutical sectors, but substitute in high-tech business sectors (computer products and electrical equipment).
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Bibliographic InfoPaper provided by Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg in its series Working Papers of BETA with number 2013-01.
Date of creation: 2013
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Find related papers by JEL classification:
- O32 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights - - - Management of Technological Innovation and R&D
- O34 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital
- L10 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - General
This paper has been announced in the following NEP Reports:
- NEP-ALL-2013-03-09 (All new papers)
- NEP-COM-2013-03-09 (Industrial Competition)
- NEP-INO-2013-03-09 (Innovation)
- NEP-IPR-2013-03-09 (Intellectual Property Rights)
- NEP-KNM-2013-03-09 (Knowledge Management & Knowledge Economy)
- NEP-TID-2013-03-09 (Technology & Industrial Dynamics)
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