It is unlikely that she is entitled to much given the extremely short duration of the civil union. However, what you need to do is to sit down with an attorney. Posting a paragraph online is not enough to get a full picture of the situation. If you are trying to economize, look for an attorney who will offer unbundled legal services. This way, you can just pay by the hour to meet with an attorney who will advise you without going to court on your behalf. That way you can avoid a large retainer.
You can reach Harkess & Salter LLC at (303) 531-5380 or info@Harkess-Salter.com. Stephen Harkess is an attorney licensed in the state and federal courts of Colorado. This answer is for general information only and does not create an attorney client relationship between Stephen Harkess or Harkess & Salter LLC and any person. You should schedule a consultation with an attorney to discuss the specifics of your legal issues.