Why this exists
Three and a half million property rights in the Hellenic Cadastre are recorded as belonging to an unknown owner. A great many of them belong to families who emigrated.
Why I built this
I am a software engineer in Athens, and Kliros started with my own family's property on Karpathos. There was no dispute and nobody was suing anybody. The problem was narrower and more stupid than that: I could not find anyone who would tell me which of six or seven possible procedures our situation actually called for, what it would cost, or which deadlines had already gone past. The professionals I asked each gave a confident answer, and the answers were about different procedures.
So I went looking for how common that is, and found that 3.45 million property rights in the Hellenic Cadastre are recorded as belonging to an unknown owner. That reframed it. What my family had was not a private piece of bad luck. It was a procedural failure at national scale, and a large share of the families sitting inside it emigrated a generation or two ago and have no way back in: no Greek tax number, no power of attorney, no idea that a correction window was closing on a fixed date nobody had told them about.
Kliros is the thing I needed and could not buy. Being an engineer rather than a lawyer shaped what it is. The rules are written down as code, every figure names the source it came from, and each rule has a test, so changing one cannot quietly break the others. That is a real advantage over asking three people and averaging their answers. It is also the reason Kliros cannot advise you: it can tell you which procedure your facts point to and hand you the file a Greek professional can act on, and that is the whole of it.
I am not a lawyer and Kliros is not a law firm. Two constraints follow from that, and I took them seriously rather than working around them. The legal conclusion is free, because charging for it would be selling advice I am not licensed to give. And I take nothing from any case, because a commission would give me a reason to steer you towards the expensive route. Both cost me money. The reasoning is in the decisions record, which is public.
The problem is procedural, not legal
A Greek-American whose grandmother left a house on an island does not usually have a legal problem. She has a procedural one: nobody will tell her which of six or seven possible procedures her situation calls for, so she cannot tell whether she needs a notary, a surveyor, a mediator or a litigator, and she cannot judge whether the quote she has been given is reasonable.
Meanwhile the deadlines run. The inheritance tax return has a due date. The renunciation window closes and acceptance becomes automatic. The cadastral correction window closes on a fixed date after which an unknown-owner right vests in the Greek State and the family's claim becomes a lawsuit. None of these dates are announced to the person they affect.
What we built
A triage engine that encodes the rules (Law 5303/2026 on successions, article 61 of Law 5326/2026 on unknown-owner mediation, the cadastral correction windows, the inheritance tax brackets by heir category) and sorts a set of facts onto one of eight tracks. Every number it uses cites its source, and those sources are listed at the bottom of every page so you can check us.
Then, for people who want to act rather than read, a file: the case organised the way a Greek professional expects to receive one, with a cover letter in Greek, so that the first conversation starts from the facts instead of from the beginning.
What we are careful about
We do not practise law and we do not take a commission on cases. Both of those are deliberate constraints on the business model rather than disclaimers, and they cost us money: the obvious version of this product charges for the legal answer and takes a referral fee, and we have declined both. The reasoning is in our decisions record, which is public in the repository.
We also delete data. Your answers describe someone who has died and sometimes co-heirs who never agreed to any of this, so they go after twenty-four months, or immediately if you say so.