It is unlikely you will find any caselaw which will support your position. However, if you wish to go to a law library and do some research you may learn quite a bit. This form is not set up for us to do your research for you.
Although AVVO describes this site as providing free legal advice, it is really a simple Q&A forum. The volunteer attorneys provide general answers. No specific legal advice is given here and no attorney-client relationship is established. For precise direction and legal advice, please consult in person with an attorney in your area. Be sure to bring all relevant paperwork with you.
A real estate attorney should be able to review your documents and advise you on the benefits and pitfalls of pursuing a partition claim, and advise on whether you are able to bring a partition claim at all.
You should setup a consultation with a real estate lawyer who can review your documentation and advise you on how to proceed.