ùti possidètis is a formula meaning that the parties can keep what they have seized.
vèritas nìmium altercàndo amìttitur - the truth is lost as a result of too many arguments.
For a legal entity, it is necessary to prepare the following list of documents:
a copy of the passport with a translation into Ukrainian;
TIN of the director;
notarized copies of the charter of a non-resident legal entity, documents on registration and granting of powers to an official;
a power of attorney, certified by a notary, granting the right to conduct other registration operations;
documentary proof of legal address.
Also, other documents stipulated by law may be required for registration.
Judging by the decision in this case (https://reyestr.court.gov.ua/Review/117208926), you can file a lawsuit in court, but, most likely, you will be denied a lawsuit. You can file an appeal in case of refusal. In this case, the Cabinet of Ministers filed a withdrawal of the appeal, referring to its groundlessness and lack of evidence. But there is one nuance - how Russia should pay moral damages - the court's ruling did not specify.
Unfortunately, today it is possible to file a lawsuit against Russia in a Ukrainian court for compensation of damages only with the consent of Russia itself. But such an option may become possible without obtaining the consent of the terrorist state, if appropriate changes are made in the legislation.
constrùctio lègis non fàcit injuriam - the interpretation of the law does not create a violation.