There has been talk of this for decades, but i cant see it happening in the forseeable future.

Yes, in the good years (so it is said) the Concorde operation could make close to �100m pa in profit. But not every year was good.

A couple of months ago I was at the imperial war museum in Duxford and while looking around Concorde there was this discussion taking place.

Basically one of the Duxford volunteers looking after Concorde said that in France (can't remember where) they are trying to keep a Concorde in airworthy condition and are maintaining it and hope to do some high speed taxiway tests on it.

But that they have estimated that the process to get it certified to fly would cost the most amount of money and as such would cost around 1 Billion Euros!

Obviously I have no clue how accurate this is, but it was an interesting discussion.

The real trouble is that Airbus pulled the support, and without the support of the OEM it cannot obtain an EASA license.

That leaves only one possibility, which is as an experimental aircraft and even that is highly, very highly, unlikely. Again, it's a question of certification. So even if a billionaire decided to waste every last dime he owns getting an aircraft fully up to speed, the regulatory red tape will prevent it from taking to the skies ever again.

I'm one of the lucky sods who got a chance to passenger in her. G-BOAD, BA001 LHR-JFK, back in 1998. It was a very, very special occasion and one that I shall never forget, not least the incredible coolness of arriving, local time, before taking off, local time.

Some say the French might try to have one of theirs refurbished to the point the donks will start and she'd be able to potter about on the ground for a bit. But that would, IMHO, be the saddest thing ever. She was born to fly, not drive around on the ground for no good reason. It would be a bit like sending Messi on the field without a football - what's the point?

to put the op's question a different way... what are the chances of Airbus developing a supersonic passenger jet again in the neat future.... A399, 1400mph, all J seats, ...yes fuel prices are high but if we get a world boom in the next decade I can easily see a Qatar or Etihad getting some!

Near future zero, since these things take upwards of twenty years for development, but if you do some simple Internet research, you'll see that there are plenty of clever ideas out there, including ways of significantly reducing the sonic boom carpet.

there are companies looking to do supersonic general aviation

they will sell the planes, some of which may then be offered for general aviation charter

Bring it back? Is the manufacturer going to support it? Do they have the expertise even?

Jay-Z recently stated "bring back the Concorde" in one of his songs. Clearly the man has an interest in supersonic travel.

Given his capital and pull with major companies (ex. Samsung), it stands to reason that this could happen. FT, we need to rally together and get Hova to bring back the Concorde.

Maybe a little OT, but, when the U.S. Navy lost the gun tube in the USS Iowa incident, we in the military were told that the only way to get another was to take one off a museum ship since there was no way they could be manufactured today.
The Concorde will never come back, for all the reasons in the other threads. But, Boeing went as far as final 3D CAD drawings, mock-ups, and even initial tooling of some parts on the their "Tokyo Express" SST before realizing there wasn't (at the time) a market for it and the U.S. taxpayers (unlike the European taxpayers) weren't going to foot the bill. The problem of sonic boom remained unsolved. AFAIK, Boeing has the plans and could update them quickly (with more modern engines), but I haven't worked with Boeing for 6 - 7 years now. I suspect there will be SSTs in the future, but maybe the far future.

commercial has to sell (a lot of) seats and pay for (quite large scale) operations

private only has to sell plane to buyer (and how do govt regulations compare?)