Patent circumvention strategy using TRIZ-based design-around approaches

J.F.J. Veldhuijzen van Zanten, Wessel Willems Wits

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This paper proposes guidelines for a systematic patent circumvention strategy utilizing innovation and TRIZ tools. It focuses on starting from a landscape of patents and claims of an existing patent to create solutions that circumvent this existing patent. Information gathered from various sources is used to create the landscape of patents and claims, and circumvention opportunities are categorized into three types of problems: Unnecessary elements, Types of limitations and Potential disadvantages. These types act as a starting point to guide the inventor through various recommended innovation and TRIZ tools in search to find new feasible and non-infringing solutions while taking infringement law into account. A case study is presented demonstrating the outlined strategy to circumvent a patent describing an incremental improvement of a Rzeppa constant velocity joint.
Original languageEnglish
Title of host publicationTRIZ future conference 2013
Subtitle of host publicationproceedings of the 13th ETRIA world TRIZ future conference 2013
EditorsAméziane Aoussat, Denis Cavallucci, Marc Trella
Place of PublicationParis, France
Publication statusPublished - 29 Oct 2013
EventTRIZ Future Conference 2013 - Ecole Nationale d'Arts et Métiers, Paris, France
Duration: 29 Oct 201331 Oct 2013


ConferenceTRIZ Future Conference 2013
Internet address


  • METIS-301934
  • IR-90995


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