Verbal agreements are very difficult to prove, especially when you have a written document (lease) that states something to the contrary. If this...

I have a Lease that has expired last year and the original signer no longer owns the property. So he cant renew the contract.

Unfortunately, your question cannot be answered without reviewing your lease and knowing what provision you are trying to change going forward.

Is this contract enforceable?

I cannot say whether a contract would likely be enforceable without more information on the matter. One question that must be answered first is...

Am I owed commisions on sold contracts after termination, had a 3% commission agreement with Previous employer?

You need to refer back to your signed commission agreement to see what was outlined regarding commissions earned but not paid at time of...

Unless there is other language in your contract regarding cancellation provisions, it appears from the contract language you provided that the...