414. Powers to determine licence.

414.     Powers to determine licence.

The question whether either party may terminate a licence depends upon its special terms. If the licence agreement is silent as to determination, there is no presumption that it is intended to be permanent1. If there is provision for termination in certain events, there may be a presumption that it cannot be determined otherwise2. If the licence is expressed to be for a definite time, it cannot be revoked3 except for acts bringing about forfeiture4, nor may the licensee disclaim it5. If there is a