Also known as:petentis · petentes · claimant · plaintiff
Written by attorneys · grounded in primary & secondary sources — see below
The plaintiff or demandant who initiates an action seeking relief.
Sources & Authorities· 36 primary sources
Select any source to read its text and confirm it supports the definition.
Cases
Statutes
How it applies
Common Examples
6
Foreclosure Plaintiff Joins Parties
Priya Prasad holds the note on Pamela Phillips's mortgaged land and commences foreclosure. As petens, Priya must join Pamela and any junior lienholders as necessary parties and provide them notice under state rules. Failure to join a junior interest holder risks leaving that interest unextinguished after the sale.
Defendant Waives Service Request
Phuong Pham sues Pablo Perez in federal court and sends a written notice requesting waiver of summons. As petens, Phuong thereby avoids the expense of formal service while Pablo fulfills the duty to avoid unnecessary costs by executing the waiver.
Preston Pratt files a derivative suit on behalf of Pinnacle Holdings after the board rejects his demand. As petens, Preston must allege particularized facts showing the special committee lacked independence or failed to conduct a reasonable inquiry to overcome the motion to dismiss.
Claimant Seeks Implied Easement
Paula Pierce conveys land to Phoenix Technologies while retaining an adjacent parcel with no outlet. As petens in an action to establish an easement by necessity, Paula must prove the extent of necessity created by the conveyance to obtain the implied right of way.
Patient Invokes Res Ipsa Loquitur
Pamela Phillips suffers injury during surgery at Progressive Healthcare when a sponge is left inside her. As petens, Pamela relies on the doctrine to infer negligence within the hospital's duty, shifting the burden once other causes are eliminated by the evidence.
Citizen Asserts Constitutional Right
Pablo Perez alleges federal agents violated his Fourth Amendment rights during a search and seeks damages directly under the Constitution. As petens, Pablo establishes federal question jurisdiction even without an express statutory cause of action because the claim arises under federal law.
Common questions
Frequently Asked
3
What does the term petens historically designate in property litigation?+
The term designates the plaintiff or demandant who initiates a real action to recover land or an interest in land.
Does the historical label petens still appear in modern pleadings?+
Modern practice uses plaintiff or petitioner instead, though the underlying role of the party seeking relief in a real action remains the same.
How does the concept of petens relate to necessary parties in foreclosure?+
The petens, typically the mortgagee, must join the mortgagor and junior lienholders so that the foreclosure sale can extinguish their interests after proper notice.
410 U.S. 113 (1973)Constitutional Law
…is that a litigant may assert only his own constitutional rights or immunities. The rule has no application where, as here, the plaintiff is himself or herself the immediate object of the challenged statute. Pp. 123-129. (b) The Does' complaint based on their own and their wives' alleged injury from the future possibility of…