The copyright notice should look like:
/*
*
* Copyright STARTING_YEAR-CURRENT_YEAR Crossing-Tech SA, EPFL QI-J, CH-1015 Lausanne, Switzerland.
* All rights reserved.
*
* ==================================================================================
*/
Where the STARTING_YEAR states the creation of the file and the CURRENT_YEAR states the last modification of the file.
Please avoid any mention of author information in the file. Instead of this, please make sure your name get mentioned with the first release of your contribution.