It is very difficult to answer a question like this without all of the information and seeing the documents you have in place. As a general rule if you hold a properly executed General Durable Power of Attorney for your grandmother and she was competent at the time she signed it; a conservatorship should not be necessary. However, that is not universally the case. There are some things you cannot do with a Power of Attorney. For example if you are trying to create a trust to hold the...