[2017] NZEmpC 70 Edminstin v Sanford Limited [pdf, 515 KB]
...Although absent any express requirement to relinquish all originals and copies of the marks, and not to retain any for Sanford’s own use, it is necessarily implicit in cl 6 that these were intended by the parties in executing that agreement. [101] These necessary requirements meet the accepted tests for implied terms, namely reasonability and equitability; necessity to give effect to business efficacy; obviousness; and non-inconsistency with the expressed terms of the employment...