1. Land use right: The establishment of commercial gates requires obtaining legal land use rights. Without obtaining the land use right of the plot and reaching a legal land use agreement with other enterprises, ICBC occupied the space in front of others without authorization, which involved illegal land occupation.
2. Trademark infringement: ICBC's door design, trademarks and logos are similar to those of other enterprises, involving trademark infringement. Trademark rights are protected by China National Intellectual Property Administration or similar institutions, and unauthorized use of other people's trademarks may constitute infringement.
3. Violation of planning approval: the setting and use of commercial gates need to meet the requirements of urban planning approval. China Industrial and Commercial Bank set up a gate without obtaining the approval or permission from the relevant departments according to the prescribed procedures, which involved planning approval violations.
4. Affect the normal operation: the entrance of ICBC occupies the entrance of others, causing economic losses to other enterprises or affecting their normal operation. In this case, the occupied enterprise will seek legal relief and demand the infringer to bear civil liability.