維護權利
assertion of rights或Rights of maintenance
維護壹般翻譯為maintain
例句：
知識產權法不僅需要維護權利所有人的利益，而且需要服務於維護公平競爭的目標。
Intellectual property law not only needs to maintain the interests of the owner of rights, but also to serve for the aim ofthe safeguarding of fair competition.