(a) A lawyer shall not represent opposing parties to the same litigation.
(b) In other situations and except to the extent permitted by paragraph (c), a lawyer shall not represent a
person if the representation of that person:
(1) involves a substantially related matter in which that person's interests are materially and directly adverse to the interests of another client of the lawyer or the lawyer's
firm; or
(2)
reasonably appears to be or become adversely limited by the lawyer's or law firm's responsibilities to another client or to a third
person or by the lawyer's or laws firm's own interests.
(c)
A lawyer may represent a client in the circumstances described in (b) if:
(1)
the lawyer reasonably believes the representation of each client will not be materially affected; and
(2)
each affected or potentially affected client consents to such representation after full disclosure of the existence, nature, implications, and possible adverse consequences of the common representation and the advantages involved, if any.
(d) A lawyer who has represented multiple parties in a matter shall not thereafter represent any of such parties in a dispute among the parties arising out of the matter, unless prior consent is obtained from all such parties to the dispute.
(e) If a lawyer has accepted representation in violation of this Rule, or if multiple representation properly accepted becomes improper under this Rule, the lawyer shall promptly withdraw from one or more representations to the extent necessary for any remaining representation not to be in violation of these Rules.
(f) If a lawyer would be prohibited by this Rule from engaging in particular conduct, no other lawyer while a member or associated with that lawyer's
firm may engage in that conduct.