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2026-10-21

Nearly 205,000 pending MDL actions: the document management problem in mass litigation

The JPML’s October 1, 2026 report counts 204,977 actions pending in 162 MDL dockets, and 21 dockets hold 94.58% of them.

Consider a hypothetical products liability MDL: the defendant’s fourth production wave arrives Friday, and on Monday the court sets the next deadline for amended plaintiff fact sheets. A plaintiffs’ firm handling an illustrative 300 cases must determine which clients’ answers the production touches; defense counsel must check those answers against records it has produced or collected. Same documents, separate inventories.

The Judicial Panel on Multidistrict Litigation (JPML) reports 204,977 pending actions across 162 MDL dockets on October 1, 2026; 21 dockets hold 94.58%. MDL document management requires keeping common discovery and individual case files consistent as productions arrive and answers change. At Turbo Law, we approach that work through a connected picture of the case, with facts linked to their sources.

How many MDL cases are pending right now?

As of October 21, 2026, the latest JPML report, dated October 1, lists 204,977 pending actions in 162 dockets. Those are pending-action counts, not document counts.

The September 1, 2026 report listed 206,182 actions in 166 dockets, with 94.5% in dockets holding at least 1,000 actions, so the monthly total moved while concentration remained similar.

For broader context, an ArentFox Schiff alert dated April 24, 2026 described April’s 198,825 pending MDL cases as approximately half of pending federal district court civil actions, mostly product-liability mass torts. That is April context. It is not an October percentage.

Multidistrict litigation brings actions sharing factual questions into coordinated or consolidated pretrial proceedings under 28 U.S.C. § 1407(a). The transfer concerns pretrial work; counsel still need the records supporting each individual claim and defense.

Why is MDL volume concentrated in a few dockets?

Large groups of actions sharing factual questions can sit within a single MDL docket, making the distribution highly uneven. The October report measures that concentration; it does not explain why each docket reached its present size.

Its 21 dockets with at least 1,000 pending actions hold 193,866 actions, or 94.58% of the total. By contrast, 43 dockets with zero to 10 pending actions hold just 176 actions. The largest, MDL No. 2738 in the District of New Jersey, has 69,340 pending actions, about a third of the total.

For document work, the distinction matters. A mass tort team may use a common deposition across many cases while checking a different treatment history in every file. A corrected date in that deposition can send counsel back into individual chronologies.

How many MDL cases are pending right now?

As of October 21, 2026, the latest JPML report, dated October 1, lists 204,977 pending actions in 162 dockets. Those are pending-action counts, not document counts.

The September 1, 2026 report listed 206,182 actions in 166 dockets, with 94.5% in dockets holding at least 1,000 actions, so the monthly total moved while concentration remained similar.

Why is MDL volume concentrated in a few dockets?

What documents does an MDL generate on each side?

MDL discovery produces a common record and individual case records, with plaintiff and defense teams holding portions of both. Ownership of a folder tells us little about where its contents matter.

Common productions: Corporate correspondence, regulatory submissions and testing files arrive in production waves, sometimes with replacements or corrected versions.
Common testimony and expert work: Corporate depositions, expert reliance materials and master pleadings supply context used across individual cases.
Plaintiff-specific materials: A plaintiff fact sheet, short-form complaint, authorizations and collected records describe the particular claim.
Defendant-specific materials: A defendant fact sheet draws on the defendant’s records concerning that plaintiff, potentially including product identification or contacts with medical providers.

Both sides need the connections.

A common testing document may concern the relevant product but fall outside a plaintiff’s alleged use period. Counsel need that distinction visible before the document migrates into a case summary.

How do fact sheets and a census change document management?

Fact sheets make information comparable across cases, but each response still needs support in the underlying file. The Federal Judicial Center’s 2019 guide explains: “Used during discovery, fact-sheet responses are generally treated as answers to interrogatories and requests for production”.

Keep the answer’s history.

When counsel raises a deficiency, we need to distinguish a missing record from a disputed inference or an unanswered field. Preserve the served response alongside its amendment, record what changed, and identify the source supporting the revision. Counsel can then assess the duty to supplement under the applicable rules and order without treating every discrepancy as a conceded deficiency.

A census can survey claims and defenses and inform discovery tracks. The detail collected should serve the intended purpose. Defendant fact sheets require the same care when internal records describe an event differently from the plaintiff’s collected records.

Federal Rule of Civil Procedure 16.1, effective December 1, 2025, asks parties to address early information exchange and difficult discovery issues; it does not mandate fact sheets or a census. We cover that planning framework in Rule 16.1 and the early MDL information exchange.

What happens to the documents when cases enter a bellwether pool?

Pool cases generally need fuller individual discovery even when fact sheets are complete. The FJC guide makes clear that fact sheets do not replace regular discovery, particularly for cases selected for an initial disposition or bellwether trial.

The file gets tested differently.

During case-specific discovery, a treatment date may need to be reconciled with a treater’s testimony, while an expert needs the actual records underlying a fact-sheet answer rather than counsel’s summary of them. Both teams should check what the file contains and what remains outstanding. An authorization on file does not establish that the requested pharmacy records arrived.

How do ESI protocols, proportionality and 502(d) orders fit at this scale?

These provisions address different decisions: how documents are exchanged, how far discovery should extend, and what a protected disclosure means for waiver. Docket size does not answer those questions by itself.

Federal Rule of Civil Procedure 26(b)(1) limits discovery to nonprivileged matter “relevant to any party’s claim or defense and proportional to the needs of the case”. Proportionality includes relative access to information and the burden or expense weighed against likely benefit. An added fact-sheet field can require work across individual files; an added custodian can expand the common production. Both requests need a reason.

An ESI protocol should make rolling productions usable, including how the team handles identifiers and corrected files. Deduplication needs care: removing repeated content should not obscure its source or production history.

Check the order’s reach.

Under Federal Rule of Evidence 502(d), a federal court can order that disclosure connected with the pending litigation does not waive privilege or protection, with that nonwaiver effect extending to other federal and state proceedings. It does not decide whether the document was privileged initially.

Related dockets and state coordinated proceedings add another practical task: identify overlapping discovery before requesting it again. Rule 16.1 expressly raises coordination with related actions; its Committee Note recognizes the importance of coordinating overlapping discovery. Counsel must still check the orders governing use in each proceeding.

How do we keep the common record and each case file in one picture?

We connect the whole matter file so review and drafting use the same factual foundation as research and settlement work. The connection must remain useful when another production arrives.

Turbo Law Review reads pleadings and productions alongside collected records, transcripts, expert reports and prior work product, linking facts to source pages and lines. In our hypothetical, the plaintiff’s chronology sits beside common documents concerning the same product or period. Records that appear missing are flagged for review; the outstanding pharmacy authorization gives the team a concrete place to investigate.

A new production wave or amended fact sheet updates that picture, allowing counsel to examine the affected facts and discrepancies. The workflow adapts to the case type. An unanswered question remains unanswered if the supporting record has not arrived.

For response preparation, Draft cross-references discovery responses against the matter file, prior discovery and recorded admissions. We can bring fact-sheet answers into that review, with counsel deciding what requires correction. First-pass attorney-client and work-product flags likewise identify candidates for a lawyer’s decision.

Strategy and Settlement refines case evaluation as discovery develops and organizes mediation documents by argument. The Assistant returns cited work for attorney review, identifies unsupported answers and keeps exportable assignment logs showing what was asked, read and produced. It does not serve, file or send.

Our security controls include zero training on client data, logical client isolation and logging of access, queries and exports. Staff access requires a support ticket and client approval; the security page also addresses SOC 2 Type II.

Turbo Law proposes, the team verifies, partners decide, with the source one click away. We do not provide legal advice or decide responsiveness, privilege, proportionality or deficiency. The firm’s DMS and any court-ordered depository or fact-sheet platform remain the systems of record; we connect to the files already kept there. Before the next amendment deadline, compare the served answer with its supporting record and the governing order.

FAQ

Are plaintiff fact sheets discovery?

When used during discovery, their responses are generally treated as interrogatory answers and responses to production requests, according to the FJC guide. Check the governing order. Preserve the served version and its supporting records when preparing amendments.

Does Rule 16.1 require fact sheets?

The rule does not require fact sheets or a census. It calls for early planning about information exchange and discovery, leaving the particular methods to the proceeding.

What belongs in a defendant fact sheet?

The required contents depend on the approved form and order. A defendant fact sheet gathers information about the plaintiff from the defendant’s records, which may include product identification, provider contacts, chain of custody or adverse-event information.

Does a 502(d) order protect against waiver in state court?

Its nonwaiver effect can extend to other federal and state proceedings for a disclosure covered by the federal order. Read the actual order before relying on it; it does not resolve whether the underlying material qualifies for privilege or work-product protection.

Sources

FAQ

Are plaintiff fact sheets discovery?

Does Rule 16.1 require fact sheets?

The rule does not require fact sheets or a census. It calls for early planning about information exchange and discovery, leaving the particular methods to the proceeding.

What belongs in a defendant fact sheet?

Does a 502(d) order protect against waiver in state court?