Different challenges may have different IP ownership provisions. Our terms and conditions explain when IP assignment of submissions is required. Certain topcoder clients may require additional documentation on a case-by-case basis. Topcoder members should understand which IP provisions apply for each type of challenge that they participate in by carefully reviewing the challenge rules that describe the IP provisions that apply. If you have any questions about topcoder assignment, licensing, or IP transfer, please email firstname.lastname@example.org.