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Technologies developed within the École Polytechnique are not subject to royalties, and are available to manufacturers that want to use them.

Examples of licenses :

> XPW technology
The optical-cycles physics team from the applied-optics laboratory has developed a second-generation of the XPW (Cross Polarized Wave) technology initially developed by Aurélie Jullien as part of a thesis under an industrial agreement for training by research (Conventions Industrielles de Formation par la REcherche - CIFRE) in partnership with Thalès. The aim of this technology, which led to a technology transfer to Thalès in 2012, is to improve the performance of lasers emitting very short pulses. Such a technology transfer demonstrates clearly the importance of CIFRE theses in the collaboration with businesses, and the importance to industry of discoveries made in the École Polytechnique's research center.

OPTOPO is a software module for shape-optimization, used to change the shape of parts so they are lighter but do not lose solidity. It uses topological and geometric optimization, and has multiple applications in the aeronautical and automobile industries where light parts are a guarantee of savings in consumption.
OPTOPO is used in the RODIN (Robust Optimal Design in Industry) project, the fruit of research work in the École Polytechnique's Applied Mathematics Center (Centre de Mathématiques Appliquées - CMAP) by professors Grégoire Allaire and François Jouve.
In partnership with the Jacques-Louis Lions Laboratory of the Universités Paris VI and VII, Inria, EADS, Renault and the ESI Group and other software houses, the RODIN project is helping to establish an innovative approach to design that could reduce engineering costs by 30%.
OPTOPO is the basis of a software solution that is being co-developed and marketed by the ESI group.