Well, Killing is a universaly frowned upon (to put it lightly) practice.
Question is, puting the vore aside, do you really want to leave open ground in a society for people to kill each other with impunity? There are already enough ways to exploit society, then adding a legal way of doing that would be just irresponsible.

Now to the second point;
The thing about a suicidal volunter is that there waaaaay too many variables to consider. Most people who exibit suicidal behavior tend to back out several times from doing so, and some people even try to back out after the point of no return (like calling 911 after having already ingested poison)... What if he backs out halfway? Will he have a legal and realiable way to ask the pred to let him out... More importantly, would the pred be trustworthy on such a matter? What is to stop him from just digesting the prey and then reporting to authorities that the prey itself offered no resistance and didn't give in halfway.
So in order to keep things simple society HAS to make all forms of suicide illegal, as 'A': a form of discouraging the less strongwilled suicides and 'B': a form of holding unsuccessful atempts against the practioner (like... If someone tried to shove themselves inside a unwilling predator and the predator spit him back out the suicide would be held accountable)

So yeah... Unless non-lethal I don't think any society would benefit from it... But again that is just my particular point of view, maybe someone else out there can tell me a legal way to do it ^^

WELL, mercy killing is illegal in real life too...soooo...

There was a russian dude that literally had a video and multiple emails from himself sent to the other guy, that he wanted to die by being eaten.

Soooo, they did the dead and such. AAAND the guy who ate the dude who wanted to be eaten got arrested.

So yeah. I'm pretty sure it would be illegal in that sort of universe as well.

There was an instance in Japan and Germany where something similar happened, however the two had consented, and the law legally couldn't touch the guys who killed and ate the other in both cases.

You're shitting me.

Huh.. After doublechecking, apparently the guy in germany was convicted, 'cause there was no credible proof his victim had the mental capacity to understand what he was agreeing to, due to mental health issues and a large amount of alcohol imbibed.. I was sure he got off, but I'm wrong.

Scratch that!

GUy in japan got away with it though?

Ermmm.... Hmm, that IS tough...
I suppose if the predator had WRITTEN EVIDENCE that his/her/it's prey was willing and gave it's consent...
Though there could also be controlled environments, such as the Killing Booths in Futurama. This would leave the suicidal/etc being to have their choice in the matter.
Just as well, there could be "Liscenced" predators. Given the right to deal in such a business would permanently scar the Predator's files and maybe a fine??

First things first, the more you try to justify vore/fetishes the more your brain is going to hurt =p

Secondly, it'd probably be some kind of 'suicide clinic' if suicide were legal, and even then people would typically go for the 'quick' and 'easy' ways to kill themselves if they aren't just looking for attention. In reality being digested alive (profived you don't suffocate first) is pretty terrifying, that's why I (and many others I imagine) try to 'cartoonify' it a little, even if it's implied the vore is permanent, while pothers like the whole bit of the prey being 'tortured' and leave those kinds of details in.

In the case that the prey would still want to be eaten he'd probably have to go to one of these proposed suicide clinics and specifically ask to be eaten by someone who is willing to do so. The pred would have to be willing to 'kill' the person after all.

But all in all, to me vore is just a fun fantasy, it need'nt make sense |3

Yep, assisted suicide is illegal, no matter which way you slice it. x: Though, in the last example, then yes, being forced into it...That would be similar to, say, jumping out in front of a car, really.

But again, though...X3 Like Ozy said, yeah, you probably shouldn't think about it too hard.

There isn't usually such thing as laws in any of the stories where vore takes place.

On one hand, ether they're part of a primitive society or are wild creatures so have no society at all.
On the other hand it's sometimes done by predators so strong (ether physically or politically) that the law can't touch them (i.e: part of a gang which the police are in fact after however never get caught), or maybe the existence of vore is farfetch'd in the universe it takes place in so witnesses won't be believed when they try to tell others (or at the very least some aspects of it are unbelivable such as the predator having magical powers or something).

Of course the morality behind it is something different.

Probably be illegal.

Over here, if you help someone kill themselves, you get arrested and sent to prison.

I quess it would count as an assisted suicide. In real life, that is a criminal act in many if not most countries, but not all. It's a cultural thing, so in imagining another culture, that is something that can be chosen by the imaginer.

Fly over the Andes with a rugby team. Have fun!

Hmmm, you'd have to take a look at the real life laws for an answer to that question.

The best example which comes closest to your example is the real life german cannibal Armin Meiwes. He found willing prey, which he eventually killed and consumed.
It's recorded and proven beyond a doubt that his prey wanted to be killed and eaten, but Armin was still convicted of murder and sentenced to life.

I imagine that the laws would be the same for soft vore if something like that was possible in our reality.
Of course, a world where soft vore and predation is a more seriously possible option, the law may look at it differently.

late reply but, this did happen, a guy put up a vore ad because he was a canabal, two people agreed, one chickened out when the other guy was being eaten :V pretty sure nothing came of it either

"And he jumped into my mouth. He jumped into my mouth ten times."