The Personhood Question Isn't Simple, And It's Getting Messier
I used to work in animal welfare law before the whole nonhuman rights movement picked up steam. Now I spend half my time arguing the same questions about AI entities with people who haven't thought through what personhood actually requires. The short version: it depends entirely on which framework you're using, and nobody's agreed on one yet. Here's what I've learned watching this unfold. Personhood in law doesn't mean the same thing as moral worth or consciousness. It's a legal fiction that grants certain rights and duties. Humans are "persons" because courts and legislatures decided that works best for society. It's not about being rational or feeling pain. It's about what the legal system needs you to be in order to hold a lawsuit, own property, vote, or be sentenced to prison. Animals have already won some personhood-adjacent victories. In 2015, a federal judge in New York heard habeas corpus petitions on behalf of two chimpanzees named Tom and Magic. The case went nowhere legally, but the fact that it was even filed matters. Since then, lower courts in New York and India have granted limited protections that approach personhood without explicitly using the label. India's Nagpur bench ruled in 2023 that all animals are "legal persons" with rights to life and protection, though enforcement is another matter entirely.
The machine question is genuinely new. As of mid-2026, no court anywhere has granted full legal personhood to an AI system. But several jurisdictions are moving toward limited recognition. The EU's AI Act creates liability frameworks that treat certain high-risk systems almost like responsible actors. Saudi Arabia granted citizenship to Sophia the robot back in 2017, though nobody really knows what that means in practice. The question that keeps coming up in my work is whether a sufficiently autonomous system could ever be sued, or whether responsibility always has to trace back to a human.
What Actually Determines Personhood
Here's the part most people miss: personhood isn't binary. It's a bundle of rights and responsibilities that can be granted piecemeal. Corporations are persons in many legal systems. Rivers have been granted personhood in New Zealand and Colombia. A ship can be a defendant in admiralty court. You don't need full human-style personhood to have legal standing. The test that keeps getting proposed involves three criteria: cognitive capacity, moral agency, and social embeddedness. Cognitive capacity means the entity can process information, make decisions, and potentially understand consequences. Moral agency means the entity can be held responsible for actions - which requires either punishment or some form of accountability mechanism. Social embeddedness means the entity participates in a community in ways that require mutual recognition. Animals clearly meet the cognitive capacity threshold in many cases. Elephants mourn their dead. Crows solve multi-step problems. Octopuses open jars from the inside. The moral agency piece is where it gets messy. Can you hold a chimpanzee morally accountable for attacking someone? Most legal systems say no, and that's probably right. But that doesn't mean they shouldn't have rights. Rights and responsibilities don't have to come as a package.
Get the Full Details

Machines are different. They don't have desires or interests in any biological sense. But they can process, decide, and act in ways that affect other beings. The social embeddedness question is where AI gets interesting. If a system is integrated into society to the point where other entities must adapt to its actions, does that create an obligation to recognize it? That's the question keeping lawyers up at night.
The Work I Actually Do On This
Let me give you a concrete example of how this plays out in practice. Last year, I was consulting on a case involving a service dog that had been killed by a rideshare driver. The dog's owner wanted damages. Under current law, the dog is property. Property damage caps are low. The emotional distress claim was the only real angle. We ended up filing under a state's intentional infliction of emotional distress statute, which worked because the driver had filmed the incident and laughed about it. The settlement was seven figures, but it took eighteen months and required proving the driver's state of mind, not the dog's suffering. Now imagine the same situation but the "service animal" is a robot assistant. Same function, same emotional bond for the owner. No legal framework currently covers this. You'd be arguing property damage for something that provides companionship, medical monitoring, and daily assistance. The gap isn't theoretical anymore. It's happening in probate courts across the country as people leave assets to AI companions and pets simultaneously, and executors have no idea how to handle it. I had another case involving a corporate personality lawsuit. A mid-sized tech company was trying to establish personhood for their internal AI research division so it could hold patents independently. The argument was that the AI trained itself on proprietary data and produced novel inventions. The patent office rejected it. Not because the AI wasn't capable, but because patent law requires an inventor to be a natural person. The workaround was listing all the human researchers who oversaw the project, which is technically accurate but feels like a cover story for something that wasn't really driven by them anymore.
Counter-Intuitive Things Nobody Tells You
First, granting personhood to animals or machines doesn't automatically grant them all human rights. It's a starting point, not an endpoint. The most practical path forward is incremental. Grant standing in specific contexts - environmental litigation, criminal cases involving dangerous animals, contract disputes with autonomous systems. Build the doctrine case by case rather than trying to pass a sweeping definition. Second, the moral agency objection is overstated. Children and people with severe cognitive disabilities don't have full moral agency, but they're persons. If we accept that personhood doesn't require full autonomy, the animal question becomes much easier. The machine question is harder because machines can be reset, deleted, or repurposed without what we'd consider a comparable loss. But that's a feature of their construction, not an argument against their status. Third, and this is the one that matters most practically: the definition of personhood you choose determines who benefits. Broad definitions favor corporations and institutions. Narrow definitions favor only certain species. The current trend toward "sentience-based" personhood sounds progressive but actually excludes most animals. Insects, fish, and invertebrates are mostly left out. If you want maximum coverage, functional personhood based on social role works better than sentience-based approaches.
Where This Is Actually Headed
The EU is likely to pass something in the next two years that creates a new legal category for autonomous agents. It won't call them persons, but it will give them limited capacity to hold assets, enter contracts, and be sued. China is taking a different approach, focusing on liability frameworks rather than status questions. The US is fragmenting state by state, with some jurisdictions moving toward animal personhood and others explicitly banning it. If you're dealing with this practically, don't wait for legislation. Structure your arrangements around existing tools. Trusts can hold assets for animal welfare. Limited liability structures can insulate autonomous system operators. Contract law already has provisions for third-party beneficiaries that can be stretched to cover non-human interests. The legal architecture exists. It's just not designed for these questions. The real constraint isn't philosophy. It's enforcement. Even if every court in the world recognized animal and machine personhood tomorrow, the infrastructure for defending those rights doesn't exist. There aren't enough public defenders trained in nonhuman rights. There's no equivalent for AI. The gap between legal status and practical protection is where most of these cases die.
Can Animals And Machines Be Persons - What You Should Actually Do
If you're an advocate, focus on specific rights rather than the personhood label. Court cases about standing, custody, and compensation move faster than constitutional debates. If you're a developer or company working with autonomous systems, document your oversight processes now. When the courts start asking whether you exercised reasonable control, you'll need records going back years. If you're dealing with animals legally, use the tools that exist - anti-cruelty statutes, negligence claims, intentional infliction cases - rather than waiting for a personhood ruling that may not come in your lifetime. The question isn't whether animals and machines can be persons. It's whether the legal system can stretch far enough to accommodate entities it was never designed to recognize. So far it's managing, barely. Don't bet on a clean answer arriving soon.