How long does a law firm have to preserve closed client case files and original wills after a matter ends?

There is no single nationwide answer. Retention of closed client files is governed primarily by state law and by the rules of professional conduct adopted in each jurisdiction, so the specific number of years varies. Original wills are treated as a special category and often follow different, longer rules. The sound approach is to build a defensible retention schedule rather than rely on a single figure.

Closed client case files

Most jurisdictions do not set one fixed number of years. Instead, the retention period is driven by several overlapping factors:

• Ethics rules. State bar rules generally require that property of the client and certain trust-account and file materials be preserved and returned on request. Many bars publish guidance suggesting a baseline holding period (commonly cited ranges fall in the area of several years to a decade) before destruction.
• Statutes of limitations. Files should be kept at least as long as the time in which a malpractice claim, fee dispute, or related action could be brought.
• The nature of the matter. Litigation, tax, real estate, intellectual property, and minors’ matters may warrant longer retention because future need or claims can arise years later.

Before destroying any file, firms should screen for active legal holds, ongoing or anticipated litigation, and any client instruction to return materials.

Original wills and other irreplaceable originals

Original wills, deeds, and similar instruments are usually not destroyed on a routine schedule. Because the original document itself has legal effect, many firms retain it indefinitely, return it to the client, or deposit it with a court or designated repository where state law allows. Treat these as permanent or special-handling records and document where each original is stored.

Building a defensible practice

International records standards emphasize that retention should be authorized, consistently applied, and documented so disposition can be justified later. Practical steps:

• Maintain a written retention schedule keyed to matter type and jurisdiction.
• Confirm the controlling state bar rule and applicable limitations periods.
• Log final disposition (destruction or return) with dates and authorization.
• Notify clients at intake how long files are kept and how originals are handled.

For broader guidance on long-term retention and safekeeping of records, see the archives and preservation topic hub.

Because rules differ by state and matter, confirm the specific requirements with current bar guidance and counsel.