The developer says there are "no plans" to revisit either franchise, and no other studios are working on projects for them either.
Sony seems to be working on an inFamous game, and is rumoured to be ready to reveal Sly Cooper 5 in September.
PixelOpus is apparently working on the title in collaboration with Sony Animation. The latter is also believed to be working on a Sly Cooper cartoon.
The domain for "slycooper.com" was also updated on March 4th, lending further credence to a possible reveal in the coming days.
Leaker AccountNGT recently corroborated the development of both. Revivals for both franchises have been rumored for some time.
Sucker Punch's stealth-platforming series has been dormant since 2013's Thieves in Time, but it's been claimed that it could be gearing up for a comeback.
Sucker Punch's new IP will be paying its respects to their older ones.
Where is Sony's popular platformer?
Sink or swim.
Images of Sly Cooper and Fat Princess outfits revealed.
A planned Summer 2016 release.
The Vita is a great piece of hardware that has some pretty good games for it, but it's going to need even more to compete moving forward in the new generation.