看情况:其一、如果行为人没有代理权、超越代理权或者代理权终止后以被代理人名义签订的合同,未经被代理人追认,对被代理人不发生效力,签别人名字按自己手印的行为无效。其二、不符合上述情况的,签别人名字按自己手印的行为有效。根据《民法典》第四百九十条规定,当事人采用合同书形式订立合同的,自当事人均签名、盖章或者按指印时合同成立。在签名、盖章或者按指印之前,当事人一方已经履行主要义务,对方接受时,该合同成立。法律、行政法规规定或者当事人约定合同应当采用书面形式订立,当事人未采用书面形式但是一方已经履行主要义务,对方接受时,该合同成立。
法律依据
《中华人民共和国民法典》第四百九十条 【合同成立时间】当事人采用合同书形式订立合同的,自当事人均签名、盖章或者按指印时合同成立。在签名、盖章或者按指印之前,当事人一方已经履行主要义务,对方接受时,该合同成立。法律、行政法规规定或者当事人约定合同应当采用书面形式订立,当事人未采用书面形式但是一方已经履行主要义务,对方接受时,该合同成立。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0ff41bd5ad6eddc4cb8daa6e2bdbb6fd52663338?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_450%2Ch_600%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
陈雷律师
合同-债务-婚姻
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/a9d3fd1f4134970a48140eba87cad1c8a7865d3b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_450%2Ch_600%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
王金虎律师
民商事诉讼
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d8f9d72a6059252de8dc2b97269b033b5ab5b95d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_450%2Ch_600%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
济南律师苑学宁
投资、土地拆迁
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/77c6a7efce1b9d16840dacf2e1deb48f8d54645e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_450%2Ch_600%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
上海王明磊律师
刑辩-离婚-拆迁
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/5fdf8db1cb1349548323d9f7444e9258d1094a67?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_450%2Ch_600%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
广东邹海燕律师
民商事、债权债务
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/c8ea15ce36d3d539f3fa39502887e950342ab059?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_450%2Ch_600%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
广东朱俊凯律师
婚姻-借贷-房产
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/8435e5dde71190ef033ca44cdc1b9d16fcfa6059?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_450%2Ch_600%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
重庆郭田律师
劳动-房产-合同
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/32fa828ba61ea8d360e54297850a304e241f5859?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_450%2Ch_600%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
苏州汤芳芳律师
婚姻-交通-劳动
查
看
更
多