Wis. Stat. § 180.1009: Effect of amendment.

(1) An amendment to a corporation’s articles of incorporation, including a restatement of its articles of incorporation under s. 180.1007 that includes an amendment to its articles of incorporation, does not affect any of the following:

(a) A cause of action existing against or in favor of the corporation.

(b) A civil, criminal, administrative or investigatory proceeding to which the corporation is a party.

(c) The existing rights of persons other than shareholders of the corporation.

(2) An amendment, or a restatement including an amendment, changing a corporation’s name does not abate a civil, criminal, administrative or investigatory proceeding brought by or against the corporation in its former name.