If it is in the contract it could become complicated (expensive time in court) to confirm it unenforceable. My previous employer changed contracts to one that

If it is in the contract it could become complicated (expensive time in court) to confirm it unenforceable. My previous employer changed contracts to one that stated that they would own any IP created "in the course of employment" and I got confirmation by email that it only covered work related to my job before I accepted the new terms. Duck Duck Going for the term now produces a guide[1] on IP created at work from Unite (a major British Union) that looks quite useful. [1] http://archive.unitetheunion.org/member_services/legal_help/employment_issues/intellectual_property_works.aspx http://archive.unitetheunion.org/member_services/legal_help/...