An instrument which takes away certain powers or privileges of an individual who had been given certain powers or privileges Example: the revocation of power of attorney where the person who had previously been given power has had that power revoked by the party who originally gave him the power
For several reasons a certificate may need to be revoked, i e need to be declared invalid prior to the expiration of the validity period Circumstances which might cause a certificate revocation could be, e g , if the holder's name changes, if association between subject and CA changes, if the secret key is compromised or is suspected to be compromised, or if the holder misuses his certificate
A process by which a granted patent can be annulled This can happen because it is demonstrated that the patent does not satisfy one of the patentability criteria - but it can also occur for other reasons
The act by which one, having the right, annuls an act done, a power or authority given, or a license, gift, or benefit conferred; repeal; reversal; as, the revocation of an edict, a power, a will, or a license
Generally, an action that cancels a previous official act; specifically, an action that cancels a withdrawal Revocation is usually done in conjunction with restoration, which opens the public lands