Does the requirement that adverse possession claimants must effectively exclude the true owner from the claimed property apply even in a mutual mistake?

What is the test for establishing that the owner of a property is not a party to the title of the property, and if so, what are the requirements? (Ontario, Canada)

When will a motion judge apply the same law to a property related claim and a support claim? (Ontario, Canada)

What is the test for a court to determine whether a party to a claim against a property is entitled to sue the property owner? (Ontario, Canada)

How have courts dealt with adverse possession claims involving a large shed which straddles a property line? (Ontario, Canada)

In what circumstances will the court grant promissory estoppel to a property owner who has been ordered to pay out a loan to the property owner for the past year? (Ontario, Canada)

What is the difference between a mutual mistake and a unilateral mistake? (Ontario, Canada)

Is mutual mistake not fatal to a claim for possessory title? (Ontario, Canada)

Does the requirement of uberrima fides apply when the parties have entered into a separation agreement requiring the parties to pay support for the children of the marriage? (Ontario, Canada)

What is the effect of delay in returning a property to its owner? (Ontario, Canada)

Does an alternate partially successful claim for compensation against his aunt 11 months after the date of a subsequent acknowledged liability of that subsequently acknowledged liability in a claim for damages arising out of a property valuation? (Ontario, Canada)