Tertullian, in Against Marcion, Book 2, Ch. 10 writes,
This description, it is manifest, properly belongs to the
transgression of the angel, and not to the prince's: for none among
human beings was either born in the paradise of God, not even Adam
himself, who was rather translated there; nor placed with a cherub
upon God's holy mountain, that is to say, in the heights of heaven,
from which the Lord testifies that Satan fell; nor detained among the
stones of fire, and the flashing rays of burning constellations,
whence Satan was cast down like lightning. Luke 10:18
He uses the text Ezek. 28:16-17,
By the multitude of thy merchandise they have filled the midst of thee
with violence, and thou hast sinned: therefore I will cast thee as
profane out of the mountain of God: and I will destroy thee, O
covering cherub, from the midst of the stones of fire.
17 Thine heart was lifted up because of thy beauty, thou hast
corrupted thy wisdom by reason of thy brightness: I will cast thee to
the ground, I will lay thee before kings, that they may behold thee.
This passage, along with Isa. 14:12-15,
How art thou fallen from heaven, O Lucifer, son of the morning! how art thou cut down to the ground, which didst weaken the nations! 13 For thou hast said in thine heart, I will ascend into heaven, I will exalt my throne above the stars of God: I will sit also upon the mount of the congregation, in the sides of the north: 14 I will ascend above the heights of the clouds; I will be like the most High. 15 Yet thou shalt be brought down to hell, to the sides of the pit,
indicate that "Lucifer"(Light-Bearer), had already become Satan(Opposer) before Christ's coming to earth. Furthermore, Jesus says in John 8:44,
Ye are of your father the devil, and the lusts of your father ye will
do. He was a murderer from the beginning, and abode not in the truth,
because there is no truth in him. When he speaketh a lie, he speaketh
of his own: for he is a liar, and the father of it.
Therefore, the context of Rev. 12:9, "ἐκβληθήσεται ἔξω", is that he was cast out of the realms of Heaven he was allowed access to; clearly there would be no more "Job 1:6" experience. In fact, in Jude 6, and 2 Pet. 2:4, angels that "left their 1st habitation"(Heaven) were chained in darkness until the Day of Judgment, making it clear that Satan was already a defeated foe, and one that could be 'bound', leading Jesus to say in Luke 10:18,
And he said unto them, I beheld Satan as lightning fall from heaven.
Therefore, we can say that Rev. 12:9 was fulfilled. In John 12:31, the rest of the world would experience the binding of Satan, through His Death and Resurrection, and outpouring of His Spirit on the Church. This is why He said,(vs 24)
"Verily, verily, I say unto you, Except a corn of wheat fall into the
ground and die, it abideth alone: but if it die, it bringeth forth
The "Binding of Satan" which His disciples did during His earthly ministry, would be extended throughout the earth and every age, in Mark 16:15-17,"
And he said unto them, Go ye into all the world, and preach the
gospel to every creature.
16 He that believeth and is baptized shall be saved; but he that
believeth not shall be damned.
17 And these signs shall follow them that believe; In my name shall
they cast out devils;
What one must be careful to understand is though he is a defeated foe, he is free to roam around "as a lion, seeking whom he may devour(1 Pet. 5:8)" during this present dispensation. This is why he was able to enter Judas, and sift Peter(Luke 22), and we are to continually wage warfare with him in Eph. 6:11-13,
Put on the whole armour of God, that ye may be able to stand against
the wiles of the devil.
12 For we wrestle not against flesh and blood, but against
principalities, against powers, against the rulers of the darkness of
this world, against spiritual wickedness in high places.
13 Wherefore take unto you the whole armour of God, that ye may be
able to withstand in the evil day, and having done all, to stand.
This requires vigilance, " ἐνδύσασθε"(Put on) is not a "once and done", but a continual active sense, requiring diligence. I see nothing in the New Testament that Satan is prevented from stopping the spread of the Gospel, or from resisting believers; in 1 Thess. 2:18, Paul was hindered from visiting the Thessalonians by Satan, and it is well apparent he is the "prince of the power of the air"(Eph. 2:2), who will continue to deceive the nations(Rev. 20:3) until the time of the Lord's return to earth.
In conclusion: 1) Satan was cast out of God's Holy Mountain as "Lucifer" became "Satan".
2) Satan was "cast down" to the earth at the ministry of Jesus, and subsequent ministry of the Church.
3) Satan will be bound in Hell at the return of Jesus,(Rev. 19), be allowed to be released for a little while (Rev. 20:7), then cast in the Lake of Fire for all eternity(vs 10).