The United States Federal Government has no legal authority over a marriage that was performed in Taiwan. The US can’t undo what you did over here. That would be like you buying something at Family Mart and then walking into 7-11 asking for a refund. You can’t do that. You need need to divorce in Taiwan to undo your marriage or see if your state will allow you to sue for divorce.
Step 1
Find your spouse’s current address.
Step 2
Research your state’s “long-arm” statute, if the divorce is not consensual, to find out if it empowers local courts with personal jurisdiction over a spouse who lives out of state or overseas. If the long-arm statute does not authorize personal jurisdiction over your spouse, you cannot obtain a divorce in a state court unless your spouse agrees to divorce.
Step 3
Complete a divorce petition. You must supply the date and place of your marriage, your address and your spouse’s address. If the divorce is not consensual, you may have to allege grounds for divorce, depending on state law. Include any desired property settlement and child custody arrangements.
Step 4
Fill out the summons in duplicate. The purpose of the summons is to notify your spouse of the divorce proceedings and the date and place of the divorce hearing. If the divorce is consensual, prepare an affidavit of waiver of service of process instead, with a space at the bottom for your spouse to sign.
Step 5
Prepare an English language translation of your marriage certificate, if it is printed in a foreign language. Use a licensed translator who will include an affidavit guaranteeing that the translation is accurate.
Step 6
Prepare a translation of the divorce petition and the summons or the waiver affidavit into the language of the jurisdiction where the marriage took place, if this is required by the law of that jurisdiction. Use a licensed translator.
Step 7
Deliver both language versions of the divorce petition, a copy of your marriage certificate, and the summons or the waiver affidavit to the county court in the jurisdiction of your residence. The court will forward a copy of these documents to your spouse’s overseas address by international registered mail, return receipt requested.
After all of this is done, it is up to the courts in Taiwan to determine if they will honor the divorce or not that you petitioned for from the US.
It sounds like you do have grounds for a non-consensual divorce here in Taiwan. Here in Taiwan, In the case of infidelity or abuse, you can file for divorce without your spouse’s consent. But you need documentation (proof) that the abuse is happening.