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New York City Bar Ethics Opinions

Free plain-English summaries of legal ethics opinions issued by the New York City Bar, with full citations and source links on every page.

178 opinions · Updated June 11, 2026
57 opinions Confidentiality

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What does a New York lawyer have to do when AI tools (whether the lawyer's or the client's) record, transcribe, and summarize attorney-client conversations on Zoom, Teams, or similar platforms?

The opinion concludes the lawyer must obtain client consent before AI records the call, must independently review any AI-generated transcript or summary for accuracy, must safeguard confidentiality an…

December 22, 2025

If a New York lawyer signs a contract (engagement letter, outside-counsel guideline, or employment policy) that purports to limit the lawyer's Rules-granted discretion, is the lawyer ethically bound by that contract?

The opinion concludes that lawyer and client cannot alter the Rules by agreement; a New York lawyer always retains the discretion the Rules grant, even where exercising it would breach a contract. Ent…

August 13, 2025

Do conflicts of interest from a New York law firm's hire of an unadmitted summer law clerk, intern, or law-school graduate get imputed to the firm under Rule 1.10? What confidentiality steps does the firm have to take?

Per the opinion, unadmitted summer law clerks, interns, and law school graduates are not 'lawyers' under Rule 1.10, so their prior work does not create imputed conflicts when they are hired. Firms mus…

December 11, 2024

What are the New York ethics obligations of a lawyer or law firm using generative AI tools in practice (chatbots, legal-research AI, document review and analytics)?

The opinion provides general guidance rather than hard rules. Per the opinion, a New York lawyer using generative AI must consider confidentiality (Rule 1.6), conflicts (Rules 1.7-1.12), competence an…

August 7, 2024

After a law firm suffers a data breach or ransomware attack, when must a New York lawyer tell clients, and can the lawyer pay or lie to the extortionist?

A lawyer must take reasonable steps to protect client data and, under Rule 1.4, promptly notify current clients when a cyber incident is a material development. Paying a ransom is neither prohibited n…

July 18, 2024

Can a New York lawyer review or sign a client's litigation funding agreement, and what are the lawyer's duties on fee sharing, conflicts, confidentiality, and control of the case?

Client-directed litigation funding does not violate Rule 5.4 because the funder is repaid from the client's recovery, not the lawyer's fee. A lawyer reviewing such an agreement must watch for conflict…

April 11, 2024

Can a New York lawyer or law firm represent two or more clients bidding against each other for the same asset?

Representing competing bidders for the same asset generally creates a conflict of interest, but the conflict is often waivable in a firm setting using separate teams and information walls, or by a law…

January 3, 2024

If I cc my own client on an email to opposing counsel, can the other lawyer reply-all directly to my client, and what about bcc?

A lawyer who cc's a client on an email to other counsel generally gives that counsel implied consent under Rule 4.2 to reply-all and thereby communicate directly with the client, though the consent is…

September 1, 2022

When a lawyer is subpoenaed for documents containing a current or former client's confidential information, must the lawyer comply, object, or fight it?

The lawyer must notify the affected current or former client and seek consent to respond. If consent is not obtained, the lawyer may rely on Rule 1.6's "authorized by other law or court order" excepti…

April 5, 2022

Can one lawyer represent multiple witnesses as "pool counsel" in a government or internal corporate investigation?

Yes. A lawyer may serve as pool counsel for multiple witnesses in a government or internal investigation, subject to the conflict and confidentiality rules. The lawyer must screen for concurrent confl…

May 15, 2019

When a lawyer receives a document the other side sent by mistake, can the lawyer use it, or only notify the sender?

Rule 4.4(b) requires the receiving lawyer to promptly notify the sender, but does not itself bar using inadvertently sent information. Whether the lawyer may or must use it turns on substantive law an…

May 15, 2019

Does a New York lawyer have a duty to investigate when asked to help with a transaction the lawyer suspects may be a crime or fraud?

The Rules do not expressly require investigation, but the opinion concludes a duty to inquire is implicit in some circumstances, arising from the Rule 1.1 competence duty and the Rule 1.2(d) bar on kn…

July 18, 2018

Can a New York lawyer take protective action and disclose confidential information for a prospective client who has seriously diminished capacity?

Yes. The opinion concludes a lawyer may take reasonably necessary protective action when a prospective client has seriously diminished capacity, cannot act in their own interest, and risks substantial…

March 12, 2018

When a New York lawyer jointly represents two clients without a conflict, what must the lawyer tell them about how joint representation works?

Even without a conflict requiring informed consent, the opinion concludes Rule 1.4 requires the lawyer to explain the implications of joint representation, including that information material to the r…

December 12, 2017

What must a lawyer do to protect client confidences when crossing the U.S. border with a laptop or phone?

Before crossing, a lawyer must take reasonable steps to avoid carrying or exposing confidential client data; at the border the lawyer may comply with an agent's lawful-authority demand only after reas…

July 23, 2017

If I discover another lawyer at my firm fraudulently billed a client, must I report it to the disciplinary authority?

The Rule 8.3 duty to report another lawyer's billing fraud is limited by the duty of confidentiality: the firm must tell the client, but it may not report to a disciplinary authority if doing so would…

February 21, 2017

Can a lawyer represent a non-party deposition witness in the same case where the lawyer already represents a party?

Yes, subject to limits: the witness representation may be a reasonable limited-scope engagement under Rule 1.2(c) with informed consent; the lawyer must clear any Rule 1.7 conflict with the party (wit…

July 21, 2016

If a fire, flood, or other accident destroys client files, does a lawyer have to tell the clients?

Often yes. The opinion concludes that when destruction of a file compromises competent and diligent representation, the lawyer must take reasonable steps to reconstruct it or notify the client if unab…

June 22, 2015

What are a lawyer's duties when an internet scammer poses as a client and sends a fake check to the trust account?

The opinion concludes a lawyer owes no confidentiality duty to someone whose purpose is to defraud the lawyer and may report them, but only after reasonable diligence confirms the person is not a genu…

April 20, 2015

Can a law firm use a professional employer organization (PEO) to handle payroll and HR for its staff?

Yes. The opinion concludes a New York firm may use a PEO so long as the PEO does not interfere with the lawyers' independent judgment or supervision of staff, does not access client confidential infor…

February 8, 2015

What must a lawyer do after a case ends if they learn that material evidence they or their client offered was false?

The opinion concludes that under New York Rule 3.3(a)(3) the lawyer must take reasonable remedial measures, and unlike the ABA rule the duty survives the end of the proceeding. The lawyer must first t…

May 29, 2013

What must a lawyer do after receiving a document sent by mistake, like a misdirected email?

The opinion concludes that under Rule 4.4(b) a lawyer who knows or reasonably should know a document was sent inadvertently must promptly notify the sender, and has no other ethical duty under the New…

April 22, 2012

Can a lawyer represent a client who uses third-party (non-recourse) litigation funding?

The opinion concludes it is not unethical per se, but the lawyer must be alert to several issues: candid advice on costs and alternatives under Rule 2.1, possible waiver of privilege from sharing case…

2011

Can a New York lawyer outsource legal support work (research, document review, drafting) to a non-lawyer or foreign lawyer overseas?

Yes, if the New York lawyer rigorously supervises the overseas non-lawyer to avoid aiding the unauthorized practice of law and ensure competence, preserves client confidences (with informed consent be…

August 1, 2006

Can a New York law firm ask a client to sign an advance waiver agreeing not to object if the firm later represents another client against it?

Yes. A firm may obtain an advance waiver of future conflicts if it adequately discloses the implications, advantages, and risks so the client can give informed consent, and a disinterested lawyer woul…

February 17, 2006

After a law firm pitches a prospective client in a 'beauty contest' but isn't hired, can it later represent the opposing party in that matter?

Yes, unless a lawyer learned confidences from the prospective client that could be significantly harmful in the matter. Even then, the firm may proceed if it got an advance conflict waiver, if the inf…

2006

Can a lawyer voluntarily testify or give an affidavit about a former client without being subpoenaed?

There is no per se bar, but the lawyer may not voluntarily reveal a former client's confidence or secret unless the client consents, another DR 4-101(C) exception applies, or the information is genera…

2005

If a lawyer holds confidential information from one client that would help another client, does that alone create a conflict barring the second representation?

No, not by itself. Merely possessing embargoed confidential information does not create a conflict; the question is whether either representation would be impaired, namely whether the lawyer cannot av…

2005

When may a lawyer represent both a corporation and its officers or employees in a government investigation?

There is no per se bar, but the joint representation is permissible only if a disinterested lawyer would conclude it serves both the company's and the constituent's interests under DR 5-105(C), both c…

2004

What ethical duties does a lawyer owe when representing a plaintiff class in a class action?

The lawyer needs individual clients' informed consent to assert class claims; owes competence, diligence, and confidentiality to absent class members; needs the class lawyer's or court's consent befor…

2004

What must a lawyer do after receiving a fax, email, or letter containing the other side's confidences that was sent by mistake?

Promptly notify the sender, stop reading the communication, and return or destroy it if asked. In limited circumstances the lawyer may submit it for in camera review by a tribunal, and may use informa…

2003

When can a lawyer reveal a client's confidences to stop a crime, and does possessing stolen property count as an intent to commit a future crime?

A lawyer may disclose only to prevent a not-yet-completed crime, and only on a reasonable (not merely suspected) belief the client intends it; a client's continuing possession of stolen property, when…

2002

If someone emails confidential information to a firm through its website, can the firm still represent the opposing existing client, and can it use the information?

Receiving an unsolicited email does not by itself disqualify the firm from representing an existing client in the same matter; but absent an adequate website warning that the information will not be c…

2001

Can a lawyer submit bids for legal work that clients post on an internet comparison website without violating the advertising or referral rules?

The opinion concluded that responding to a client-initiated request for representation on an internet bidding site is not, by itself, advertising or solicitation, and the no-fee bid plan is not a proh…

2000

When former joint clients become adversaries, can a lawyer give one the file if it reveals the other's confidential information?

The opinion concluded a lawyer who jointly represented two clients who became adversaries may not give one documents or information revealing the other's sensitive confidential matters unless both con…

1999

How do the advertising, fee-sharing, and confidentiality rules apply to a law firm's website, online services, and email?

The opinion concluded a firm need not file its website with disciplinary authorities but should keep a copy about a year; may not pay its internet provider a share of fees earned; may not offer online…

1998

Can a lawyer publicly take a personal position, such as in bar association or legislative activity, that is contrary to a client's interests?

Yes, within limits. The opinion concluded a lawyer may espouse a personal viewpoint adverse to a former or present client's interest, without client consent, as long as the lawyer does not reveal clie…

September 1, 1997

If a lawyer and client can only communicate through a language or sign-language interpreter, must the lawyer consider and arrange for a qualified interpreter?

The opinion concluded that a lawyer representing a client with whom effective direct communication is only possible through an interpreter must evaluate the need for interpreter services and take step…

July 6, 1995

Must a lawyer report a former partner who neglected matters and mishandled client and firm funds, and what if the lawyer believes the partner is mentally impaired?

The opinion concluded the lawyer must report a former partner to disciplinary authorities on knowledge of a pattern of neglect or the mismanagement or conversion of client or firm funds, subject to pr…

April 5, 1995

Can a lawyer use a third-party company that finances clients' legal fees, paying the lawyer up front and collecting from the client with interest?

The opinion concluded such fee-financing arrangements are not per se improper, but the specific plan would be improper unless modified, because the lawyer must keep control over whether the client is …

February 22, 1995

Can a lawyer discuss confidential client matters on a cellular or cordless phone that could be intercepted?

The opinion concluded a lawyer should exercise caution when discussing client confidences or secrets on cellular, cordless, or other readily interceptable devices, should consider securing such conver…

October 21, 1994

If a lawyer for a limited partnership discovers the general partner is looting it, must the lawyer tell the limited partners, and may the lawyer tell outsiders?

The opinion concluded that a lawyer for a limited partnership must disclose the general partner's improprieties to the limited partners, since the entity is the client, but may not reveal the informat…

October 21, 1994

Can a former in-house lawyer sue a former employer for discrimination and help prepare a class action against it?

The opinion concluded a former in-house lawyer may pursue his own discrimination claims against the former employer and help prepare a class action, but may not use or reveal the employer's confidence…

March 21, 1994

If a client insists on a fraudulent scheme, must the lawyer withdraw, and may the lawyer later disclose the former client's past fraud?

The opinion concluded the lawyer must call on the client to stop the fraud and must withdraw if the client refuses, but may not disclose a former client's past fraud because it is a protected secret; …

1994

Can a retired lawyer assign unpaid client accounts receivable to other lawyers for collection?

The opinion concluded a retired lawyer may assign fully earned accounts receivable to other lawyers if the clients are told, client confidences are protected, the fees were reasonable, the assigning l…

September 1, 1993

When must a New York lawyer report another lawyer's misconduct, and what does the amended DR 1-103(A) change about the knowledge required and the conduct covered?

The opinion concluded that the 1990 amendment to DR 1-103(A) keeps mandatory reporting but requires actual knowledge (not suspicion), limits the duty to misconduct raising a substantial question about…

May 4, 1990

If a lawyer learns that a prior discovery response was wrong because the client actually has responsive documents, can the lawyer disclose that over the client's objection?

The opinion concluded that the discovery-correction duty of Federal Rule 26(e) is 'required by law' under DR 4-101(C)(2), so the lawyer may disclose the documents' existence even though it is a client…

February 27, 1990

What must a lawyer do if a client intercepts and copies privileged communications between the opposing party and that party's lawyer?

The opinion concluded that a lawyer may not counsel a client to intercept an adversary's privileged communications, even in retaliation; and a lawyer whose client did so on its own may not use the doc…

March 13, 1989

Can a lawyer sign a contract for the book or movie rights to a client's case while still representing the client?

The opinion concluded that a lawyer may not enter a publication or production rights contract, with the client or a third party, until all aspects of the matter are concluded, and that even afterward …

June 14, 1988

If I own an apartment in a co-op or condo, can I serve as the building's lawyer, or represent a fellow tenant, the board, or a buyer in matters involving the building?

The opinion concluded that a lawyer-tenant's own property and personal interests may compromise independent judgment, so the lawyer may represent the cooperative, a co-tenant, a buyer, or a tenants' g…

June 14, 1988

Can a lawyer reveal what an impaired client confided in order to have a conservator appointed for the client?

The opinion concluded that when a client's disability is so severe that the lawyer is compelled to act, and disclosure is the only reasonable way to safeguard the client, the lawyer may, as a last res…

December 18, 1987

Must a government agency lawyer who also represents a discrimination complainant disclose information adverse to the complainant that the complainant confided?

The opinion concluded that when the agency lawyer also represents the complainant, the lawyer need not disclose the adverse confidence to the employer so long as no misrepresentation is made to the tr…

April 30, 1987

Can a law firm suing a former client for unpaid fees reveal what the client told it in confidence?

The opinion concluded that a firm suing a former client for fees may disclose the client's confidences and secrets only to the extent strictly and clearly necessary to establish or collect the fee or …

December 19, 1986

When a prosecutor threatens a lawyer with indictment, can the lawyer reveal a former client's confidences to clear himself?

The opinion concluded that a lawyer accused of wrongful conduct may disclose a former client's confidences and secrets under the self-defense exception even before any formal charge, but only to the e…

December 19, 1986

Can a lawyer act as escrow agent in a deal while also representing one of the parties, and who gets the interest on escrowed funds?

The opinion concluded that a lawyer may serve as escrow agent and represent one party in the same transaction only with the fully informed consent of all parties, must safeguard the funds under the tr…

July 14, 1986

How long must a lawyer keep closed client files, and when can the lawyer destroy them?

The opinion concluded that a lawyer must first determine whether the papers belong to the client or the lawyer; client papers should not be destroyed without contacting the client, while the lawyer's …

April 30, 1986

Can a lawyer for a partnership tell the limited partners about the general partner's misconduct?

The opinion concluded that a lawyer for a limited partnership may disclose the general partner's improprieties to the limited partners, because the duty of loyalty runs to the partnership entity and t…

April 30, 1986

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Legal ethics opinions from the New York City Bar interpret the rules of professional conduct for working lawyers, in response to inquiries from members and committees. They are not binding like court discipline decisions, but courts and discipline boards treat formal opinions as substantial guidance on how the rules apply. Every opinion above has a plain-English question and short answer, plus a link to the original source on the bar's site.

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