"grounds for claim" is correct and usable in written English
It usually refers to evidence or reasons which support a legal claim or make a case. For example: "The evidence provided by the plaintiff is strong enough to form grounds for claim against the defendant."
It's the very realism that's suspect here, for there are no grounds for claiming that the scenes on the plane are anything other than fiction.
But though Pidgeon's battle looks set to be for the minor placings, winning it would give Lib Dems grounds for claiming they are on the comeback trail in London after being reduced to a single parliamentary seat in the capital last spring.
Given that all Chris Froome's stage wins in the Tour de France prior to this year had come either in uphill finishes or time trials, there were grounds for claiming that the double Tour de France winner was a cyclist with a relatively limited register based on sheer power on mountain tops and against the watch.
But some law experts say they their grounds for claiming religious persecution in Germany are weak.
Once in Italy, the migrants will be assessed to see if they have legitimate grounds for claiming asylum.
Here, a first question is whether evidence on lucid control dreams provides sufficient grounds for claiming that we have the same type of control over our nonlucid dreams.
A case could therefore be made, on commonsense grounds, for claiming that attention figures in the production of some but not all voluntary behaviours.
If we admit that the reversed state is exceptional in the sense that the statistical H-theorem does not hold for it, we have no grounds for claiming that eventually $H$ will decrease again.
The only grounds for claiming that the parent is less active on 2-phenoxyethanol than the typical neutrally evolved P450 is the fact that most of the neutrally evolved P450s had higher 2-phenoxyethanol activity than the parent.
Italy, in fact, would seem to have some ground for claiming that Suárez's moment of spite, or lunacy, cost them the game.
Compared to sexual-romantic partnerships, the richer, family-focused definition offered by George and tweaked here provides fertile ground for claiming basic human dignity is in play.
