N.H. Rev. Stat. § 547:11-c
An action may be brought in probate court by any person claiming title to, or any interest in, real or personal property, or both, in partition under RSA 547-C, listed in the estate of a deceased person or listed as guardianship, conservatorship, or trust assets over which the probate court has jurisdiction, against the estate, guardian, conservator, or trustee who may claim to own the same, either in fee, for years, for life or in reversion or remainder, or to have any interest in the same, or any lien or encumbrance thereon, adverse to the plaintiff, or in whom the land records disclose any interest, whether or not the plaintiff is entitled to the immediate or exclusive possession of such property, for the purpose of determining such adverse estate, interest or claim, and to clear up all doubts and disputes and to quiet and settle the title to the same. In any action brought under this provision, where applicable, the procedure set forth in RSA 498:5-b through 5-d shall be followed.
RSA 547:11-c
1992, 284:51. 2000, 232:9, eff. Jan. 1, 2001.