There is little chance of winning, unless you can find a particularly experienced trademark agent who specializes in law. Generally, well-known trademarks are protected by the state. For a general trademark, if you check it, as long as there is no such name in the category where it is registered, well-known trademarks are different. Sometimes they protect 45 categories. Please tell me your name, the name and category of the other party first, and I will give you a careful analysis.