Originally Posted by
Lalato
I don't believe these are licensed. They may not be improvements over the existing Brompton design, but that doesn't mean they aren't legitimately produced.. They're just not at all affiliated with Brompton in the UK.
It would be cool to see if they start improving the design (apart from materials usage e.g Titanium and Aluminum). For now, though, it's just clones.
Brompton patent expired more than 10 years ago. They are all legitimately produced and marketed bikes with full warranty.