A paragraph in the contract about the duty to make patches upon request for a defined time sounds logical. I wouldn´t be surprised if the period is one year. But even then the correct order is: JoWooD asks and pays PB to make the patch. If the clause simply said "4 patches" the story is over.
Right. Or they might have agreed upon a certain number of patches that they might have already reached (if it was three patches) so that PB has no further obligation to deliver any patches/support (as long as all category A bugs have been eradicated).
Whatever it is, it is messy as long as PB claims that there is nothing left to fix or that there are no more category A bugs. Then JoWood would have to go to court, hire a neutral consultant to assess the code (which would probably take at least a year alone) and then a judge would have to decide on what support PB still "owes" to JoWood based upon that assessment.
Anyway, what we do know for sure from PB's Michael Rüve is that PB has no patch. He said "we can not be forced to deliver something that does not exist" in response to a question from a fan about the possibility of JoWood demanding any new patches or current patch code.
When PB was talking about the patch in the last six months, they were only talking about plans and about laying the foundation for future projects "in their heads", i.e. they have not done any actual work at all it would seem.
So it is
extremely unlikely that we will ever see another patch. The only thing that might potentially help is if JoWood has a contractual right to demand patching until the product is "technically flawless" or something like that.
If PB should acknowledge that the product is in fact not technically flawless in its current state then there is a small chance that they might hack together a technical hotfix for the remaining engine, memory and crash issues.
But if they put up a fight and tell JoWood to deliver proof for further patching needs, then JoWood would probably just let it rest (in fact, they
did already choose to let it rest until now... they broke up with PB months ago already and obviously saw no need to demand further patching yet), blame PB in a press release and move on.
A content patch, however, including balancing changes, changes to the combat system or maybe even additional lines of (unspoken) dialogue seems totally out of question. If anything at all, then there's a very, very, very slim chance (depending on what the G3 contract says) that we'll see a technical hotfix.