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Rule 2129.Actions between partnerships and partners.

Adopted May 1, 1939 · Last amended December 16, 2003 · Last verified June 30, 2026

In one sentenceRule 2129 lets a partnership sue one or more of its own partners, alone or together with non-partners, and lets one or more partners, alone or together with non-partners, sue the partnership.

Full Text of Rule 2129

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An action may be prosecuted by a partnership against one or more of the partners thereof, or against such partners together with persons not partners; or by one or more partners, or by such partners together with other persons not partners, against the partnership.
End

Plain-English Summary

Partners and their firm can end up on opposite sides of a case, and this rule allows it. A partnership may prosecute an action against one or more of its partners, or against those partners together with persons who are not partners. Going the other way, one or more partners, alone or together with other persons who are not partners, may prosecute an action against the partnership.

The rule settles who may be on each side, not the merits. Rule 2127 governs how the partnership names itself when it sues, and Rule 2128 governs how it is named when sued, whether through its partners or in its firm name. Rules 2154 and 2178 give the same permission for unincorporated associations and their members, and for corporations or similar entities and their members.

Frequently Asked Questions

Can a partnership sue its own partners?

Yes. A partnership may prosecute an action against one or more of its partners, alone or with others.

Amendment History

The provisions of this Rule 2129 adopted May 1, 1939, effective November 6, 1939; amended April 18, 1975, effective immediately, 5 Pa.B. 1820; amended December 16, 2003, effective July 1, 2004, 34 Pa.B. 9. Immediately preceding text appears at serial page (272404).

Source & verification. Rule text, the Official Note, and the amendment history are reproduced verbatim from the Pennsylvania Code, Title 231, the official compilation of rules adopted by the Supreme Court of Pennsylvania. Last verified June 30, 2026. · Official text
Also known as: partnership sues partneractions between partnership and partnersintra-partnership suit