In order to help protect creatives' intellectual property when applying to briefs we are in agreement with the guidelines set-out by We Direct Music Videos:

For "concepts not selected, the ideas and executions herein are the property of the director. In the event the copyright to an artist or company’s pitch materials and treatments (the “Materials”) is assigned to a company through an NDA or other legally binding agreement, that company is free to use in whole or in part the Materials but must notify the artist and company in writing and pay a usage fee to be negotiated between the parties in good faith taking into account industry standards and norms."