Stole boy's bike and left it nearby, Court of Appeal stated appropriation and assuming the rights of an owner was the a) initial taking of the bike, b) the act of abandoning the bike.
V of limited intelligence but understood giving gifts, D given £60,000 and was given a TV, withdrew £300 a day, House of Lords decided it was valid gift but was appropriation.
Took car after repairs had been made without paying, garage was in possession of car as they had the right to retain possession of the item being repaired until payment is made (repairer'slien).
Received deposits for clients for trips to America, never organised tickets and didn't return money, convicted quashed as under no obligation to deal with them in a particular way.
Sold timeshare apartments in Lanzarote, each paid on understanding it would be held in independent trust, guilty of theft as under clear obligation 'to deal with property or proceeds in a particular way.
Given money to pay gas bill by flatmates and bought Christmas presents, found guilty as there was a legal obligation to deal with money in particular way.
s.5(4) Theft Act 1968: if you receive something by mistake and are under legal obligation to return it, that property belongs to another and should be returned.
Police officer received overpayment of wages and recognised this, did not withdraw money but did not return it, convicted of theft of property as she was under an obligation to return it.
R v Robinson 1977 - went to collect money owed to him and got in a fight in which money fell out of victims pocket, no theft as he had honest belief he was entitled to the money.
Took money from office safe as he was owed money by a friend and would replace it, Court of Appealupheld conviction as they would not be the same banknotes even if replaced with the same value.
Chief Constable of Avon & Somerset Constabulary v Smith 1984
Broke into parked car and removed cases, concealed nearby after searching them, Court stated plain intent as the cases were disposed of rather than taken back into the car.