According to the dogmatics of civil law,the right of claim for execution of a contract may include the requirement of validity of contract at least.
民法教义学中,合同履行请求权至少应包括合同生效要件。
参考来源 - 论合同生效要件之证明责任分配·2,447,543篇论文数据，部分数据来源于NoteExpress
专利权出质登记是专利权质权的生效要件。
Registration is the requirement for the pledge on patent right to take effect.
区分原则强调股权出质登记是股权质权的生效要件而非股权质押合同的生效要件。
According to the trennungsprinzip, it is-emphasised that registered pledge is essential for the pledge instead of the equity pledge agreement have the validity.
但是，无论交付为物权变动的充分条件或者必要条件，都是物权变动的生效要件。
However, no matter the means are sufficient requirement or essential requirement to property transference, they are valid requirement to property transference.
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