Selling a law practice: what Rule 1.17 requires, where client files go, and what firm-owned material is left

How selling a law practice works under Rule 1.17

Rule 1.17 lets a lawyer or a law firm “sell or purchase a law practice, or an area of law practice, including good will” if four conditions are met (source: ABA Model Rule 1.17):

1. The seller stops practicing. The seller ceases private practice, or practice in the area sold, in the jurisdiction or the geographic area where the practice was conducted. Each state picks one of those two versions.
2. Everything goes. The entire practice, or the entire area of practice, is sold to one or more lawyers or law firms.
3. Every client is told. The seller gives written notice of the proposed sale, of the client's right to hire another lawyer or take the file, and that consent to transferring the file is presumed if the client doesn't act or object within 90 days of receiving the notice.
4. Fees stay put. Fees charged to clients can't increase because of the sale.

The comments explain the reasoning. The first one opens with the line every seller should keep in mind: “Clients are not commodities that can be purchased and sold at will” (source: ABA Model Rule 1.17, Comment). The rule exists so a lawyer who stops practicing can be paid the reasonable value of the practice while the clients' matters move to someone who will handle them.

Two details matter for planning. First, a seller can sell one area of practice and keep practicing in the others, but must then stop taking matters in the area sold. The comments give the example of a lawyer who sells an estate planning practice and keeps a probate administration practice (source: ABA Model Rule 1.17, Comment). Second, the requirement to sell everything exists to protect clients with smaller, less profitable matters, and purchasers must take on all client matters in the practice or area, subject to client consent and conflicts (source: ABA Model Rule 1.17, Comment).

The rule also covers practices of a deceased, disabled or disappeared lawyer, where a non-lawyer representative may handle the sale. And it says what it does not cover: admission to or retirement from a partnership, retirement plans, and “a sale of tangible assets of a law practice” are not sales governed by the rule (source: ABA Model Rule 1.17, Comment). That last point does not open a side door for client information. Selling a firm's furniture or a server is outside Rule 1.17, but the information on the server is still protected by Rules 1.6 and 1.9.

Client notice and the 90-day presumption in a sale of law practice

The notice requirement is also the confidentiality rule for the sale itself. Comment 7 says negotiations between a seller and a prospective purchaser, before any information about a specific, identifiable client is shared, don't violate Rule 1.6 any more than merger talks do. But giving the purchaser access to “detailed information relating to the representation, such as the client's file” requires client consent (source: ABA Model Rule 1.17, Comment).

Before that happens, each client must get actual written notice of the contemplated sale, including who the purchaser is, and be told the decision has to be made within 90 days. If the client says nothing, consent is presumed (source: ABA Model Rule 1.17, Comment). Clients who can't be reached are handled differently: their files can move to the purchaser only with a court order, and the seller may disclose information to the court in camera only as far as needed to get it (source: ABA Model Rule 1.17, ABA Model Rule 1.17, Comment).

Even after a sale, the client stays in charge. Every element of client autonomy, including the right to fire the lawyer and move the matter elsewhere, survives the sale (source: ABA Model Rule 1.17, Comment). In practice, sellers send notice letters early, track responses, and plan for some clients choosing to go elsewhere. The comments say that doesn't break the rule as long as the seller made the whole practice available in good faith (source: ABA Model Rule 1.17, Comment).

What happens to client files when you sell or close a law practice

Owners searching for what happens to client files when a lawyer retires usually want to know three things: who gets them, what the firm must keep, and what the firm can do with what is left. The rules answer all three.

• Files follow the client. In a sale, they go to the purchaser once the client consents or the 90 days pass, or to the client or a new lawyer of the client's choosing (source: ABA Model Rule 1.17). When representation ends for any reason, Rule 1.16(d) requires steps such as “surrendering papers and property to which the client is entitled” (source: ABA Model Rule 1.16).
• Trust records stay with the firm for years. The ABA version of Rule 1.15(a) says complete records of trust account funds and other client property must be preserved for five years after the representation ends (source: ABA Model Rule 1.15). States set their own periods.
• The confidentiality duty outlives the firm. Rule 1.9(c) bars revealing information relating to a former client's representation except as the rules would permit for a current client (source: ABA Model Rule 1.9). Closing the firm doesn't end it.
• So does the duty to people who never hired you. Rule 1.18(b) says a lawyer who learned information from a prospective client may not use or reveal it, even when no client-lawyer relationship followed (source: ABA Model Rule 1.18). Old consultation notes and intake records are in the same position as client files.

Public filings don't change the picture. ABA Formal Opinion 480 says lawyers may not reveal information relating to a representation, including information in a public record, unless a rule authorizes it, and that even client identity is protected (source: ABA Formal Opinion 480 (Mar 6, 2018)). Anonymizing a closed file doesn't either: Opinion 511 says the restriction holds for anonymized or abstracted information if it is reasonably likely someone could work out the client or the situation (source: ABA Formal Opinion 511 (May 8, 2024), copy hosted by LawNext).

The practical result: when a practice is sold or closed, matter files, client email, discovery, deal documents, billing narratives, conflicts data and intake records are not part of anything a retiring owner can license. The law firm data licensing guide covers the full rule set behind that line.

Law firm succession planning: sale, merger or wind-down

Most law firms are small, which is why succession is mostly a solo and small-firm question. The Census Bureau counted 156,583 employer firms in offices of lawyers (NAICS 541110) in 2022. Of those, 116,668 had fewer than 5 employees and 22,518 had 5 to 9 (source: US Census Bureau, SUSB 2022, NAICS 541110). For a firm that size, the founder's exit is the firm's exit.

Owners planning law firm succession usually choose among a few paths:

Whichever path you choose, the order matters. The client side has to be handled under the rules first, and any decision about firm-owned material comes after, inside the same plan.

Why only firm-owned material could ever be licensed separately

Strip out everything that belongs to or describes a client and a firm still has something: the way it works. AI developers want that layer, and several buyers name it. One broker that names law firms lists intake and matter workflows, templates and precedents, process documentation, and billing and CRM metadata, and lists privileged client matter content as never licensed; one buyer program accepts law firms with 6 or more staff, well below its usual floor (source: program terms, Regulr buyer directory). Each of these is a program's own advertised term; our buyer directory lists the programs and links to their published terms.

For a retiring owner, firm-owned material that can qualify after review usually means:

• Blank templates and clause banks the firm wrote from scratch, with no client facts left in them
• The office procedures manual, desk guides and checklists
• Training and onboarding material the firm wrote, with real-matter examples removed
• Intake and matter workflow designs: the stages and routing, not the intake records
• Blank engagement letter and fee agreement templates (signed ones stay out)
• HR, IT and operations policies

Two things keep this narrow. First, the test is not whether a name was removed but whether the document needed a client to exist. A “precedent” that is last year's client deal with the names swapped still carries the client's terms. Second, forms you licensed from a publisher or a software vendor are not the firm's to license. Our guide to law firm SOPs, templates and procedures manuals walks through how to tell the difference and build a clean set.

Timing a license around a law practice sale

Before you sign a purchase agreement is the cleanest point. You decide the scope, the license is a known contract, and the purchaser prices the practice knowing about it. Disclose it anyway: a purchaser buying good will expects to receive the firm's forms and procedures, and it will want to know if someone else holds a copy.

Exclusivity is the term to read first. Some buyers require it. One program requires 24 months of seller exclusivity, during which the company agrees not to sell or license the same data for external AI training, and another lists its closed deals as perpetual exclusive licenses (source: program terms, Regulr buyer directory). If you sell the practice inside that window, the purchaser inherits a copy of material it can't license itself. Ask any buyer to state in writing what a sale of your practice does to the license.

After you sign, expect less room. A purchase agreement normally spells out which assets convey, and the purchaser will want a say in any new contract touching them.

After closing or shutdown, the clock is your software. Practice-management systems hold your template library and workflows, and their exit windows are short: Clio gives 90 days to retrieve content after cancellation (source: Clio Terms of Service (8.2, 10.7)), Smokeball keeps access for 30 days after the term ends and may delete after that (source: Smokeball Terms (s.14, s.15, updated Jul 9, 2026)), and PracticePanther provides a data file only if you ask in writing within 90 days of termination (source: PracticePanther User Agreement (16(c), updated Jun 22, 2023)). Export firm-owned material while the subscription is live. Our guide to Clio, MyCase, Smokeball and NetDocuments data export terms covers each vendor.

Law practice valuation: what a data license changes

People searching how to value a law practice want a number. We haven't found a current, sourced multiple for small practices that we can cite, and the ones that circulate come from private deal data. Practice brokers and valuation specialists are the right source for comparables.

What we can say is narrow. A license of firm-owned material is a separate, one-time payment for a copy, not a change to the earnings a purchaser values. And it is likely to be small. No program publishes a law-firm rate; the advertised ranges, from $100K into the millions, describe whole-company records such as email, files and CRM (source: program terms, Regulr buyer directory). A firm limited to templates and procedures is licensing a fraction of that. One program lists law firms under 20 staff as quoted individually, and some buyers will decline a set this narrow (source: program terms, Regulr buyer directory). Our data value checker shows which factors move price.

Checklist: selling a law practice with firm-owned material in mind

1. Read your state's version of Rule 1.17, including whether it uses the jurisdiction or geographic area version.
2. Decide the path: sale of the whole practice, sale of an area, merger, or wind-down.
3. Plan client notice letters, the 90-day window, and court orders for clients you can't reach.
4. Separate trust records and set the retention period your state requires.
5. Inventory firm-owned material: templates, procedures manual, training, workflow designs and policies. Note who wrote each one and when.
6. Remove anything that came from a client matter, and anything licensed from a publisher or vendor.
7. Decide, in writing, whether firm-owned material conveys with the practice, stays with you, or is licensed first.
8. If you license, compare exclusivity as closely as price, and disclose the license to the purchaser.
9. Export firm-owned material from your practice-management system before cancellation.

Want to see whether your firm-owned material is worth a conversation? See what your firm's templates and procedures could qualify for, or compare programs in our buyer directory.

Frequently asked questions

Sources

ABA Model Rules 1.15, 1.16, 1.17 (with comments) and 1.18 and the vendor terms were read on their own pages on October 18, 2026; Rule 1.9 and Opinions 480 and 511 were read in full on October 15, 2026. Census counts are from the public SUSB 2022 file, read October 18, 2026. Program terms were checked October 15, 2026; our buyer directory lists the programs and links to those terms.

1. ABA Model Rule 1.17
2. ABA Model Rule 1.17, Comment
3. ABA Model Rule 1.16
4. ABA Model Rule 1.15
5. ABA Model Rule 1.18
6. ABA Model Rule 1.9
7. ABA Formal Opinion 480 (Mar 6, 2018)
8. ABA Formal Opinion 511 (May 8, 2024), copy hosted by LawNext
9. US Census Bureau, SUSB 2022, NAICS 541110
10. Clio Terms of Service (8.2, 10.7)
11. Smokeball Terms (s.14, s.15, updated Jul 9, 2026)
12. PracticePanther User Agreement (16(c), updated Jun 22, 2023)
13. program terms, Regulr buyer directory