Statewide — all 102 counties
Clerk issuance in 1–3 days
Cook County & every circuit
Live support — info@served123.com
Quick answer

To domesticate a subpoena in Illinois, submit your out-of-state subpoena to a clerk of the Circuit Court in the county where discovery is sought, together with an Illinois subpoena that incorporates the foreign subpoena's terms and lists all counsel. Under 735 ILCS 35/3 the clerk promptly issues the Illinois subpoena, and the request is not an appearance in Illinois's courts. Illinois adopted the UIDDA effective January 1, 2016 (735 ILCS 35); no reciprocity is required. We prepare the Illinois subpoena, file in the correct county — including Cook County — and serve under Supreme Court Rules 204 and 237.

Illinois UIDDA Overview

Domesticating a Foreign Subpoena in Illinois

Illinois adopted the Uniform Interstate Depositions and Discovery Act as 735 ILCS 35, effective January 1, 2016 (Public Act 99-79). It lets an out-of-state litigant obtain an enforceable Illinois subpoena for depositions, testimony, documents, and inspection of premises — without a new lawsuit, a commission, or a hearing. See 735 ILCS 35/3.

Under Section 3, you submit the foreign subpoena to a clerk of the Circuit Court in the county where discovery is sought, and the clerk — in accordance with that court's procedure — promptly issues an Illinois subpoena that incorporates the foreign terms. Illinois's trial courts are the circuit courts of its 102 counties, with the Circuit Court of Cook County the largest single court in the state, and Served 123 LLC files and serves in every one.

Submitting the subpoena is not an appearance. 735 ILCS 35/3 is explicit that requesting issuance does not make you a party in Illinois's courts. The Illinois subpoena the clerk issues must incorporate the terms of the foreign subpoena and contain (or be accompanied by) the names, addresses, and telephone numbers of all counsel of record and any unrepresented party. Illinois's discovery rules — Supreme Court Rules 204 and 237 and Section 2-1101 of the Code of Civil Procedure — then govern (735 ILCS 35/5).

Illinois UIDDA Framework (735 ILCS 35)

  • 35/1Short title — the Uniform Interstate Depositions and Discovery Act
  • 35/2Definitions — foreign jurisdiction, foreign subpoena, person, state, subpoena (testimony, documents, premises)
  • 35/3Clerk of the Circuit Court issues the Illinois subpoena; not an appearance
  • 35/4Service under Supreme Court Rules 204 and 237 and Section 2-1101
  • 35/5Rules 204 and 237 and Section 2-1101 govern the deposition, production, and inspection
  • 35/6Quash, modify, enforce, or protective order in the discovery county

A Statute, Not a Rule

  • Codified at 735 ILCS 35 (eff. 1/1/2016)
  • Enacted by Public Act 99-79
  • No reciprocity requirement
  • No special on-face subpoena language required
  • Submitting the foreign subpoena is not an appearance (35/3)

What's Included

  • 735 ILCS 35 eligibility review
  • Illinois subpoena prepared per the statute
  • Clerk filing & any issuance fee advanced
  • Service under Supreme Court Rules 204 and 237
  • Proof of service (PDF)
  • Real-time updates & live support
Step-by-Step

How It Works in Illinois

From intake to proof of service — exactly what happens on every Illinois order.

1

Send your subpoena & case details

Email the out-of-state subpoena, the originating court, and the Illinois county where the witness lives, works, or transacts business. We open the file and confirm scope the same day.

2

We confirm the county

Illinois has 102 counties across its judicial circuits. We identify the correct Circuit Court — the county where discovery is sought — so the clerk issues without a venue problem. Cook County and the collar counties each have their own procedures, and we know them.

3

Illinois subpoena prepared

We draft the Illinois subpoena to incorporate the foreign subpoena's terms and list the names, addresses, and telephone numbers of all counsel of record and any unrepresented party, as 735 ILCS 35/3 requires.

4

Filed with the Circuit Court clerk

Our authorized representative submits the foreign subpoena and the Illinois subpoena to a clerk of the Circuit Court in the discovery county and advances any issuance fee. The clerk — in accordance with that court's procedure — promptly issues the Illinois subpoena. It is not an appearance, and no hearing is required.

5

Served under Rules 204 and 237

We serve the issued Illinois subpoena in compliance with Illinois Supreme Court Rules 204 and 237 and Section 2-1101 of the Code of Civil Procedure — by a person 18 or older who is not a party, with proof of service for your file.

6

Proof of service returned

You receive the clerk-issued Illinois subpoena and proof of service. If the recipient moves to quash or modify, that goes to the court in the discovery county (735 ILCS 35/6) and we coordinate next steps.

Why It Matters

Foreign Subpoena vs. Illinois Subpoena

An out-of-state subpoena does not bind an Illinois witness until a clerk of the Circuit Court issues an Illinois subpoena.

Foreign subpoena alone
  • Has no force against an Illinois resident or business
  • Cannot be enforced by an Illinois court
  • The witness can disregard it without consequence
  • No Illinois issuance from the circuit clerk
  • Servers have no authority to compel compliance
Domesticated under 735 ILCS 35/3
  • Issued by a clerk of the Circuit Court in the discovery county
  • Enforceable in Illinois, with quash/modify heard locally (735 ILCS 35/6)
  • Binds the witness under Illinois law and Supreme Court Rule 204
  • Incorporates the foreign subpoena's terms and counsel information
  • Served and returnable under Rules 204 and 237 and Section 2-1101
Legal Authority

Illinois Subpoena Domestication — Controlling Law

The framework lives in the Uniform Interstate Depositions and Discovery Act, 735 ILCS 35, with service and discovery under the Illinois Supreme Court Rules and the Code of Civil Procedure.

AuthoritySubjectKey requirement
735 ILCS 35/1Short titleNames the Act the Uniform Interstate Depositions and Discovery Act (P.A. 99-79, eff. 1-1-16).
735 ILCS 35/2DefinitionsDefines foreign subpoena and the scope of a subpoena — testimony, documents and ESI, and inspection of premises.
735 ILCS 35/3(a)Submission to the clerkSubmit the foreign subpoena to a clerk of the Circuit Court in the discovery county; it is not an appearance.
735 ILCS 35/3(b)Prompt issuanceThe clerk, in accordance with that court's procedure, promptly issues an Illinois subpoena for service.
735 ILCS 35/3(c)ContentsThe Illinois subpoena incorporates the foreign terms and lists all counsel of record and unrepresented parties.
735 ILCS 35/4ServiceServed in compliance with Supreme Court Rules 204 and 237 and Section 2-1101 of the Code of Civil Procedure.
735 ILCS 35/5Discovery rulesRules 204 and 237 and Section 2-1101 govern the deposition, production, and inspection.
735 ILCS 35/6Quash / modify / protectApplications go to the court in the county in which discovery is to be conducted.
735 ILCS 35/8Pending actionsApplies to requests for discovery in cases pending on the January 1, 2016 effective date.
Ill. Sup. Ct. R. 204 / 237Subpoena practiceGovern issuance, service, objections, and protection for Illinois deposition and document subpoenas.

Citations verified against the Illinois Compiled Statutes (735 ILCS 35) and the Illinois Supreme Court Rules at the time of writing. Statutes and rules may be amended and clerk procedures vary by county — Cook County in particular; we confirm the current rules and any fees on every order.

Avoid Rejection

Where Illinois Domestications Go Wrong

The errors that get a subpoena bounced at the clerk's window — or quashed later.

Filing in the wrong county

Illinois has 102 counties. You submit to the clerk of the Circuit Court for the county where the witness lives, works, or transacts business — not where your case sits. Wrong county means re-filing.

Underestimating Cook County

The Circuit Court of Cook County is the largest court in the state and has its own clerk procedures and divisions. A filing prepared for a downstate county can stall at the Cook County window. We file there routinely.

Not incorporating the foreign terms

The Illinois subpoena must mirror the out-of-state subpoena's commands. An Illinois form that doesn't track the foreign terms is defective under 735 ILCS 35/3.

Leaving counsel information off

735 ILCS 35/3 requires the names, addresses, and telephone numbers of all counsel of record and any unrepresented party. Missing contacts are a common rejection.

Serving before the clerk issues

Only the clerk-issued Illinois subpoena can be served. Serving the bare foreign subpoena is unenforceable — and wastes an attempt.

Ignoring Rules 204 and 237

Illinois ties UIDDA service and compliance to Supreme Court Rules 204 and 237 and Section 2-1101. Service that doesn't follow them invites a motion to quash. We serve to the statute.

Why Served 123

Built for Illinois Filings

What a NAPPS-accredited, nationwide operation brings to an Illinois domestication.

All 102 counties

From the Circuit Court of Cook County and the collar counties to every downstate circuit — we file and serve across the whole state.

1–3 day issuance

Subpoenas are prepared and presented quickly; most clerks issue within one to three business days of submission.

Cook County fluency

We know the Circuit Court of Cook County's clerk procedures and divisions — where many out-of-state filings stall.

Statute-correct drafting

The Illinois subpoena incorporates the foreign terms and counsel information exactly as 735 ILCS 35/3 requires.

Court-ready proof

You receive the clerk-issued Illinois subpoena and proof of service for your file.

24/7 case intake

Send your subpoena anytime; live support at info@served123.com keeps every order moving.

Subpoena Types

Illinois Subpoenas We Domesticate & Serve

Every major subpoena type we domesticate in Illinois under 735 ILCS 35/3.

Subpoena Duces Tecum

Requires a person to produce documents, records, or ESI for inspection and copying. Business-records subpoenas are with Illinois Supreme Court Rules 204 and 237 and Section 2-1101 of the Code of Civil Procedure governing (735 ILCS 35/5).

Subpoena Ad Testificandum

Requires personal appearance and testimony. Witness and mileage fees (the statutory witness fee and mileage, tendered with the subpoena where attendance is required) apply.

Deposition Subpoenas

Compels attendance at a recorded deposition under 735 ILCS 35/3 — often combined with document production in a single subpoena.

Corporate & Entity

Directs an entity in Illinois to designate a representative to testify. It can also compel inspection of premises under the entity's control (735 ILCS 35/2).

Who We Help

Who Uses Illinois Subpoena Domestication

From solo practitioners to Fortune 500 legal teams — all relying on Served 123 LLC for Illinois domestication across all 102 Illinois counties.

Law Firms

Managing interstate litigation that reaches Illinois witnesses or records custodians across all 102 Illinois counties.

Corporate Legal

In-house teams handling cross-jurisdictional discovery through Illinois's Circuit Courts.

Insurance Defense

Claims teams pulling Illinois medical records, depositions, and expert subpoenas under 735 ILCS 35/3.

Records Retrieval

Organizations needing end-to-end Illinois domestication and records production.

Solo Practitioners

Attorneys who need dependable Illinois coverage without a local vendor network in all 102 Illinois counties.

Litigation Support

Support firms outsourcing Illinois subpoena domestication for their attorney clients.

Statewide Coverage

Illinois Counties & Circuits We Cover

Send the county where the witness lives, works, or transacts business — we file and serve across every Illinois judicial circuit.

Chicago (Cook County) · Circuit Court of Cook County
Wheaton (DuPage County) · 18th Judicial Circuit
Waukegan (Lake County) · 19th Judicial Circuit
Joliet (Will County) · 12th Judicial Circuit
Rockford (Winnebago) · 17th Judicial Circuit
Springfield (Sangamon) · 7th Judicial Circuit
Peoria (Peoria County) · 10th Judicial Circuit
Champaign (Champaign County) · 6th Judicial Circuit

All 102 Illinois counties covered — from the Circuit Court of Cook County (Chicago) to every downstate circuit. Cook, DuPage, Kane, Lake, McHenry, and Will are each their own single-county circuit. Send the county where discovery is sought and we handle filing and service.

Illinois UIDDA FAQ

Illinois Subpoena Domestication — FAQ

Common questions about domesticating and serving out-of-state subpoenas in Illinois.

Yes. Illinois enacted the Uniform Interstate Depositions and Discovery Act as 735 ILCS 35 (Public Act 99-79), effective January 1, 2016. It lets a foreign subpoena be domesticated through a clerk of the Circuit Court without a commission, a new lawsuit, or a hearing.
No. Illinois adopted the UIDDA in its standard form, so there is no reciprocity requirement — the procedure is available regardless of which state issued your subpoena, as long as it comes from a court of record.
A clerk of the Circuit Court in the county where discovery is sought issues the subpoena under 735 ILCS 35/3. There is no separate lawsuit and no court appearance — the Act says submitting the foreign subpoena does not make you a party in Illinois.
File in the county where the witness lives, works, or transacts business, or where the discovery is to be conducted. Illinois has 102 counties; for a Chicago-area witness that is usually the Circuit Court of Cook County. We confirm the correct court before filing.
In practice, yes. The Circuit Court of Cook County is the largest court in the state, with its own clerk procedures and divisions. The statute is the same statewide, but the mechanics differ — we file in Cook County routinely and know its requirements.
Under 735 ILCS 35/3 it must incorporate the terms of the foreign subpoena and contain (or be accompanied by) the names, addresses, and telephone numbers of all counsel of record and of any party not represented by counsel.
Under 735 ILCS 35/4, the issued Illinois subpoena is served in compliance with Illinois Supreme Court Rules 204 and 237 and Section 2-1101 of the Code of Civil Procedure — generally by a person 18 or older who is not a party. Served 123 LLC serves it and returns proof of service.
A UIDDA request is not an appearance, but a circuit clerk may charge a per-subpoena issuance fee that varies by county; we confirm and advance any clerk fee. Witness attendance and mileage fees are tendered with the subpoena where attendance is required. We itemize everything on your invoice.
No. The UIDDA procedure is handled through the clerk and does not require you to retain Illinois counsel or appear in an Illinois court. Served 123 LLC prepares, files, and serves the subpoena for you.
Most circuit clerks issue the Illinois subpoena within one to three business days of submission, though high-volume clerks such as Cook County can take longer. Service timing then depends on the county and the witness's location; we begin promptly and keep you updated.
Yes. An Illinois subpoena under 735 ILCS 35 can command testimony at a deposition, the production of documents and electronically stored information, and the inspection of premises (735 ILCS 35/2). Supreme Court Rules 204 and 237 and Section 2-1101 govern (735 ILCS 35/5).
Yes. Serve the entity through its Illinois registered agent. The subpoena can compel records in the entity's control and, where applicable, inspection of premises (735 ILCS 35/2).
A motion to quash, modify, or for a protective order is submitted to the court in the county where discovery is conducted (735 ILCS 35/6) and must comply with Illinois's rules and statutes. We coordinate with your counsel on enforcement.
All 102 counties — from Chicago and Cook County and the collar counties (DuPage, Kane, Lake, McHenry, Will) to Rockford, Peoria, Springfield, Champaign, and every downstate circuit. Send the county where discovery is sought and we handle filing and service.

Domesticate Your Illinois Subpoena

Send the originating state, the Illinois county, and your subpoena PDF. We prepare the Illinois subpoena, file with the Clerk of the Circuit Court — including Cook County — advance any fee, and serve statewide, usually within days.

Served 123 LLC is a process service and litigation-support company, not a law firm. This page is general information about Illinois procedure, not legal advice.

© Served 123 LLC — nationwide subpoena domestication and service of process. Authority cited: Illinois Uniform Interstate Depositions and Discovery Act, 735 ILCS 35. All 50 states