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Plaintiff’s First Set of Interrogatories to Defendant

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Plaintiff’s First Set of Interrogatories to Defendant

IN THE COURT OF COUNTY

STATE OF

Petitioner/Plaintiff,

Vs.

Respondent/Defendant

NO.

PLAINTIFF’S FIRST SET OF INTERROGATORIES TO DEFENDANT

Comes now the Plaintiff , by counsel, and propounds to the Defendant, , the following Plaintiff’s First Set of Interrogatories to Defendant, pursuant to , to wit:

Interrogatory No. 1: Please state your full name, any former names, your social security number, date and place of birth, your present home address and any former home addresses for the preceding ten (10) years, the name and address of each of your employers for the preceding ten (10) years until the present, your present driver’s license number and the State where issued including any other driver’s license held by you for the preceding ten (10) years.

Interrogatory No. 2: Please state whether or not you had any automobile insurance or any other kind of insurance in force and effect on the day of , 20, and if so please state the name, address and telephone number of your insurance company or its local agent, the date the insurance policy or policies were issued, the types of coverage provided, the dollar amounts of the limits of liability, any limitations or exclusions from coverage, and the name, address and telephone number of any other named insureds and/or permissive insureds.

Interrogatory No. 3: Please describe in detail your driving history for the preceding ten (10) years until the present, including but not limited to any and all citations and/or warnings issued or given for any moving violation, speeding, reckless driving, driving under the influence, open container, or any other similar citations and/or warnings, and, for each such citation and/or warning, state the time, date and place where the citation and/or warning was issued or given, the name, address and telephone number of the authority or authorities issuing the citation and/or warning, the name, address and telephone number of the court which adjudicated the citation and/or warning including the docket or case number, and state the final disposition and/or sentence entered.

Interrogatory No. 4: Please state your whereabouts for the twenty-four (24) hour period preceding the accident alleged in this lawsuit. Your response should include the addresses of the places or locations you were at, your purpose or reasons for being in said places, the times during which you were at said places or locations, and the names, addresses and telephone numbers of at least one (1) person whom can verify your presence in each place or location you list in response to this Interrogatory.

Interrogatory No. 5: Please describe in detail the events, transactions or occurrences happening for the three (3) minute period immediately preceding the point of impact in the accident alleged in this lawsuit. Your response should include, but is not limited to, your actions, reactions, thoughts and sense impressions during the operation of your automobile, including but not limited to, your speed, the lane in which you were traveling, the road and weather conditions, whether any road signs or signals were present and within your eyesight or the immediate vicinity and what such signs said or signals meant, whether you were smoking a cigarette, listening to the radio, talking on a cellular telephone, engaged in any conversation with any guest passengers, and/or any other similar act, instance or process or omission thereof.

Interrogatory No. 6: Describe in detail, and in your own words, exactly how you contend the accident happened.

Interrogatory No. 7: Please describe in detail the events, transactions or occurrences happening for the twenty-four (24) hour period immediately following the accident alleged in this lawsuit. Your response should include your whereabouts for the twenty-four (24) hour period following the accident alleged in this lawsuit, the addresses of the places or locations you were at, your purpose or reasons for being in said places, the times during which you were at said places or locations, and the names, addresses and telephone numbers of at least one (1) person whom can verify your presence in each place or location you list in response to this Interrogatory.

Interrogatory No. 8: Do you allege any affirmative defenses to the Complaint filed by Plaintiff(s). If so, please state each and every fact and/or circumstance which forms the basis of the affirmative defense, state the names, addresses and telephone numbers of each person who has knowledge or information of such facts and/or circumstances, and describe in detail any and all documents which contain any information which references and/or relates to said facts/circumstances and/or persons you identify in response to this Interrogatory.

Interrogatory No. 9: For each allegation of Plaintiff’s Complaint which you deny, in whole or in part, please state each and every fact and/or circumstance which forms the basis of the denial, state the names, addresses and telephone numbers of each person who has knowledge or information of such facts/circumstances, and describe in detail any and all documents which contain any information which references and/or relates to said facts/circumstances and/or persons you identify in response to this Interrogatory.

Interrogatory No. 10: Have you, or anyone acting on your behalf, including your attorneys, insurance representatives, investigators, or adjusters obtained or received any written or recorded statements from any person or persons claiming to have witnessed the accident alleged in this lawsuit? If so, please state the name, address and telephone number of each person making the statement, the date and place the statement was made, the substance of the statement, and the name, address and telephone number of the person or persons who took the statement.

Interrogatory No. 11: Have you, or anyone acting on your behalf, including your attorneys, insurance representatives, investigators, or adjusters obtained or received any written or recorded statements from any person or persons claiming to have personal knowledge or information concerning or relating to any issues of liability and/or damages alleged or raised in this lawsuit? If so, please state the name, address and telephone number of each person making the statement, the date and place the statement was made, the substance of the statement, and the name, address and telephone number of the person or persons who took the statement.

Interrogatory No. 12: Have you, or anyone acting on your behalf, including your attorneys, insurance representatives, investigators, or adjusters obtained or received any written or recorded statements from the Plaintiff(s) in this lawsuit? If so, please state the name, address and telephone number of each person making the statement, the date and place the statement was made, the substance of the statement, and the name, address and telephone number of the person or persons who took the statement.

Interrogatory No. 13: Do you intend to call any person who is expected to testify as an expert witness at trial in this lawsuit? If so, for each such expert witness, please provide the following:

(1) The name, address and telephone number of the expert;

(2) The professional and academic qualifications and/or credentials of the expert;

(3) List any and all articles, books, papers, treatises, studies, and any other similar materials authored and/or published by the expert individually or which the expert substantially contributed;

(4) Describe precisely and in detail the expert’s field of the expertise;

(5) List each lawsuit or legal proceeding the expert has testified in for the preceding ten (10) years until the present, including the name the parties, the style of the action, the court and docket number, and whether such testimony was on behalf of the plaintiff or defendant;

(6) State the amounts and/or rate of compensation the expert will charge for providing testimony and information in this lawsuit.

(7) State the substance of the expert’s opinion in this case;

(8) State the facts and data underlying the expert’s opinion in this case; and

(9) Describe in detail any and all materials, objects or things used or considered by the expert in this lawsuit.

Interrogatory No. 14: Please give the name, address, telephone number and field of expertise for any and all experts you have consulted and/or retained. Also, include the following information for each expert:

(a) A complete statement of all opinion(s) to be expressed and the basis and reasons for such opinion(s) along with the data or other information considered by the expert(s) in forming the opinion(s).

(b) Please list any exhibits to be used as a summary of or support of the expert(s) opinion(s).

(c) Please state the expert(s) qualifications including a list of all publications authored by the expert within the proceeding ten (10) years.

(d) Please state the amount of compensation to be paid for the expert(s) study and testimony.

(e) Please provide a list of any other case(s) in which the expert testified as an expert at trial or by deposition within the preceding four (4) years, and set out the names of the attorneys for all parties as well as the name of the attorney with whom the expert was employed.

(f) Please state whether or not the expert(s) have testified in the Federal Courts of within the last ten (10) years.

Yes No

(g) Please set out whether the expert(s) employment in either consultations, depositions, or trial testimonies within the last three (3) years were for the Plaintiff or Defendant. Please, set out the percentage for either the Plaintiff or Defendant during this period.

Interrogatory No. 15: Did you or anyone acting on your behalf make any investigation, analysis, tests, inspections, or measurements with regard to the accident alleged in this case, including accident reconstruction? If so, please state:

(a) The name, address, and telephone number of each person who made any such investigation, analysis, test, inspection, or measurement;

(b) The date on which each investigation, analysis, test, inspection, or measurement was made; and

(c) The name, address, and telephone number of the person now having custody of each and every written report made concerning each investigation, analysis, test, inspection, or measurement.

Interrogatory No. 16: Please list the name, address, telephone number of any persons that took videos or made audio tapes, and describe any video or audio tapes taken of the Plaintiff(s). Please supplement this Interrogatory timely even if the video is taken near the time of trial.

Interrogatory No. 17: Do you allege any counter-claim(s) against the Plaintiff(s)? If so, please state the following:

(1) State each and every fact which forms the basis of said counter-claim(s); and

(2) State the name, address and telephone number of each person having knowledge or information of the facts you state in response to subpart (a) of this Interrogatory.

Interrogatory No. 18: Do you allege that the accident was caused by any negligence on the part of Plaintiff(s)? If so, please state the following:

(1) State each and every fact which forms the basis of the allegation;

(2) State the name, address and telephone number of each person having knowledge or information of the facts you state in response to subpart (a) of this Interrogatory;

(3) Describe in detail each and every duty you contend Plaintiff owed to Defendant(s);

(4) Describe in detail each and every act, instance or process by which you contend Plaintiff(s) breached any duty you describe in response to subpart (c) of this Interrogatory;

(5) Describe in detail each and every theory which you intend to rely upon to show that the alleged negligence of Plaintiff(s) was a proximate cause of the accident;

(6) Describe in detail each and every element and type of damages you allege that you suffered or sustained as a proximate result of the alleged negligence of Plaintiff(s);

(7) Please identify every physician, surgeon, osteopath, psychiatrist, psychologist, counselor, therapist, hospital, or other medical practitioner or specialist who treated and/or examined you, or with whom you sought advise or conferred for five (5) years prior to the accident, specifying the dates of treatment, examination, or conference, and the precise condition or symptoms treated, and further identify any hospitalization of plaintiff at any time in the past, specifying the dates of confinement and the precise condition or treatment or symptoms treated;

(8) Please list any and all physicians who have treated you after the alleged date of the injury in this case, listing also the approximate dates such physicians were seen by you, the office address of each such physician, and a general description of the reason or illness or condition for which you saw such physicians and each of them, and attach hereto all medical reports prepared by the doctors in your possession or in the possession of your attorney;

(9) Please state whether you have ever had, made, claimed, or sued upon any claim for personal injuries or damages to your person, or bodily injuries whatsoever, against any other person, firm, or corporation, other than the workers' compensation claim at any time in your life both prior to the date of the alleged accident in this case, and also after the said date; if the answer to this interrogatory is in the affirmative, please list the date it was filed, the court in which it was filed, the style of the case, a general description of the incident out of which such claim was made, a general description of any such bodily injuries or personal damages, the approximate date of the accident out of which such claim arose, and the amount of recovery by you, if any;

Interrogatory No. 19: If Defendant(s) has ever been convicted of a crime or misdemeanor other than any citations or warnings stated in response to Interrogatory No. 3, for each such person and conviction, state:

(1) The specific crime(s) or misdemeanor(s) of which such person was convicted;

(2) The date(s) of each such conviction; and

(3) The court(s) in which such person was convicted.

Interrogatory No. 20: If any books, documents or other tangible things exist which contain discoverable matter or which you may utilize as an exhibit on for other reasons during any deposition of any witness, please identify such documents or items, please state the name, address and telephone number of the person or persons who have custody of such books, documents or other tangible things.

Interrogatory No. 21: If any of your responses to any of these interrogatories indicate that discovery is ongoing or that your investigation is not complete or is continuing, please give all of the information that you, your attorneys, investigators, and/or experts have at this time which is responsive to each interrogatory. Have you done this in response to each interrogatory?

Yes No

Interrogatory No. 22: Have you ever been a party to any legal action, legal proceeding, or lawsuit? If so please state the following:

(a) Describe in detail any and all such legal actions, legal proceedings or lawsuit. Your answer should include the name of the court, the identity of the parties, the nature of the proceeding, and its present disposition;

(b) Identify all persons having personal knowledge or information relating to or referencing any matter set forth in your response to subpart (a) of this Interrogatory; and

(c) Identify all documents containing any information relating to or referencing any matter set forth in your response to subpart (a) of this Interrogatory.

Interrogatory No. 23: Have you ever been involved either as a driver, passenger or pedestrian in an automobile accident? If so, please state the following:

(1) State the name, address and telephone number of each person involved;

(2) The date and place of the accident;

(3) State who was at fault or the cause of the accident; and

(4) State whether or not any person involved was issued a citation or warning, and if so, give a brief description of said citation or warning.

Interrogatory No. 24: Identify each person providing the answer or response to each of these Interrogatories and sub-parts, and any and all persons providing any information used by you in answering or responding to these Interrogatories and sub-parts. Your response should include the names, addresses and telephone numbers of each such person.

Interrogatory No. 25: If you do not have any automobile insurance or other liability insurance coverage or the same is insufficient to compensate Plaintiff(s) for the full amount of their claims of damages in the least amount of $ alleged in this lawsuit, then please state the following:

(1) All documents and things consisting of any tax returns, including corporate, individual and joint-individual, prepared by you or your agents/employees, for the Defendant(s) for the preceding five (5) years.

(2) All documents and things consisting of any financial statements, corporate and individual and joint-individual, prepared by you or your agents/employees, for the Defendant(s) for the preceding five (5) years.

(3) All documents and things consisting of any accountings, books, ledgers, records, receipts and other tangible things relating to or referencing the financial condition, including assets and liabilities, transfers of tangible and intangible assets and/or property, of the Defendant(s) for the preceding five (5) years.

(4) All other documents and things consisting of notes, correspondence, memoranda and other similar documents and tangible things prepared or created by you or your agent/employees relating to or referencing the Defendant(s) for the preceding five (5) years.

(5) If you object to any disclosure stated or fairly inferred by the preceding subparts upon any grounds of any privilege or legal doctrine, please provide a brief description of each book, record, document, or other tangible or intangible thing by item and category which you contend is privileged and/or is otherwise subject to non-disclosure.

Interrogatory No. 26: Do you now, or have you ever worn glasses, contact lenses, or suffered from any disease affecting or impairing your vision, or you ever undergone any type of surgical procedure or medical treatment on your eyes or vision? If so, please state the name, address and telephone number of the optometrist, doctor, or other professional who diagnosed and treated the disease or impairment of vision, and the date and places of such diagnosis and treatment.

Interrogatory No. 27: Do you now, or have you ever had any physical or mental disabilities, impairments or incapacities? If so, please describe in detail any such disabilities, impairment or incapacities, the diagnosis and treatment you have received for the same, and the name, address and telephone number of the doctors or other professionals who have diagnosed or treated your disabilities or impairments.

Interrogatory No. 28: Please list in detail any and all prescription drugs or medications you have been prescribed and/or consumed for the last five (5) years until the present, and state the names, addresses and telephone number of all doctors or other professionals who prescribed said prescription drugs or medications to you.

Respectfully submitted,

Date:

Name:

Title:

Address:

Address:

City, State, Zip:

Phone:

Fax:

E-Mail:

Attorney No.:

CERTIFICATE OF SERVICE

I, , do hereby certify that I have this day mailed, U.S. Mail, postage prepaid, a true and correct copy of the above and foregoing to , at the following address;

THIS the day of , 20.

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What the Plaintiff’s First Set of Interrogatories to Defendant Is

The Plaintiff’s First Set of Interrogatories to Defendant is a formal set of written questions served by the plaintiff under applicable civil procedure rules to obtain facts, identify witnesses, and secure documents relevant to the claims. Interrogatories are part of discovery and must be answered in writing, under oath or verification, within the time specified by court rules. Responses may include objections, but objections should state legal and factual grounds. Carefully drafted interrogatories focus issues, limit later surprises at trial, and preserve evidence for motions or settlement discussions.

Why Use a Formal First Set of Interrogatories

Well-crafted interrogatories narrow factual disputes, identify witnesses and documents, and create a sworn record that supports motions or settlement strategy while preserving evidence under court rules.

Why Use a Formal First Set of Interrogatories

Who Typically Prepares and Responds to Interrogatories

These interrogatories are prepared by plaintiff counsel and served on the defendant as part of civil discovery.

  • Plaintiff’s attorney — Drafts targeted questions to secure facts, admissions, witness identities, and document trails for litigation strategy.
  • Defendant or defense counsel — Reviews, objects as appropriate, and prepares verified responses or timely motions to compel.
  • Paralegals and discovery teams — Manage service, track deadlines, and organize documents referenced in responses for production.

Coordination between counsel, client, and support staff ensures timely, verified answers and preserves privileges where applicable.

Step-by-Step: Preparing and Serving Your First Set of Interrogatories

Follow a predictable sequence to draft, approve, serve, and track responses so discovery stays enforceable and complete.

  • 01
    Draft Questions: Assemble precise, relevant questions tied to claims and defenses.
  • 02
    Review and Revise: Have counsel and client review for accuracy and privilege.
  • 03
    Serve Documents: Serve per local rules using the required method and record service.
  • 04
    Track Deadline: Log response due date and set reminders for meet-and-confer.

Practical Workflow: From Draft to Verified Answer

A clear workflow reduces disputes and supports swift motion practice when parties fail to comply.

  • Draft: Write focused questions tied to legal elements and evidence.
  • Serve: Deliver interrogatories following court and local rules.
  • Receive Response: Defendant provides answers, objections, and referenced productions.
  • Meet-and-Confer: Attempt informal resolution before filing compel motions.

Configuring an Online Discovery Workflow

If you use eDiscovery or eSignature tools, configure authentication, file formats, and retention before serving interrogatories online.

Field Configuration
Platform Use PDF or DOCX for discovery records; ensure platform supports audit trails.
Authentication Enable email or SMS verification for remote recipients and preserve access logs.
Document Format Produce searchable PDF/A where possible to preserve metadata and OCR text.
Retention Set retention to match litigation hold and jurisdictional rules.

Digital Submission and Compatibility Considerations

Ensure the chosen platform supports secure document delivery, audit trails, and required file formats for discovery.

  • File Types: PDF, DOCX accepted; preserve originals when possible.
  • Integrations: Supports connectors to cloud storage and case management systems.
  • Audit Trail: Records timestamps, IP addresses, and actions for evidentiary support.

Verify platform compliance with ESIGN/UETA and any industry-specific rules before using it for verified discovery submissions.

Typical Deadlines and Timing for Interrogatory Responses

Response times for interrogatories depend on federal or state rules; always confirm the controlling rule in the case jurisdiction.

Federal Rule:

30 days from service under FRCP 33

California Rule:

30 days from service under CCP discovery statutes

Local Variations:

Some courts shorten or extend deadlines by order

Requesting Extension:

Consent or court order can extend deadlines

Meet-and-Confer:

Start informal resolution well before the deadline

Key Milestones in the Interrogatory Lifecycle

Track these sequential milestones from drafting through potential enforcement to maintain compliance and preserve rights.

01

Draft Issuance

Create and approve interrogatories for relevance and scope.

02

Service Date

Officially serve interrogatories and record proof of service.

03

Response Due

Monitor the response deadline per controlling rule.

04

Enforcement

File motions to compel or for sanctions if responses are deficient.

Common Mistakes to Avoid When Preparing Interrogatories

  • Vague or compound questions that allow evasive answers and invite disputes over meaning or scope.
  • Overbroad definitions that produce excessive, irrelevant documents and increase motion practice costs.
  • Failing to include a verification block or incorrect oath language that leads to defective responses.
  • Poor service documentation or missed service method requirements that create grounds to challenge timeliness.

Consequences of Improper or Untimely Interrogatory Practice

Motion to Compel: Court orders production and award of costs
Sanctions: Monetary penalties or evidentiary limits
Default Risk: Severe noncompliance can lead to default judgments
Waiver: Late objections may be deemed waived
Perjury Exposure: False verification can trigger criminal liability
Spoliation: Destruction leads to adverse inference

Essential Components of a Professional First Set of Interrogatories

A complete set of interrogatories contains structural elements that define scope, method, and legal formality; including these components reduces ambiguity and supports enforceability.

Case Caption

Court and case identifiers positioned at the top so responses are clearly associated with the pending matter.

Definitions

Concise definitions for repeated terms set the interpretive baseline for all questions and reduce scope disputes.

Instructions

Instructions explain search obligations, production formats, timeframes, and how to cite documents or privilege logs.

Interrogatories

Numbered, singular-focused questions that seek facts, witness identities, and document sources relevant to each claim and defense.

Verification

Sworn statement or affidavit by the responding party or authorized agent verifying the truthfulness and completeness of answers.

Certificate

Certificate of service recording how, when, and to whom the interrogatories were delivered.

Supporting Documents Commonly Served with Interrogatories

Attach or indicate supplemental documents to help the responding party locate records and reduce follow-up requests.

Document Requests

A separate list of specific documents requested, often cross-referenced to interrogatory numbers for clarity.

Privilege Log

Template instructions for producing a privilege log if documents are withheld on privilege grounds.

Scheduling Order

Court scheduling order or discovery plan indicating deadlines and production milestones to coordinate responses.

Meet-and-Confer Letter

Prepared correspondence to initiate informal resolution in the event of objections or deficient responses.

Who Signs or Verifies Interrogatory Responses

Plaintiff or Defendant

The party or an authorized agent signs verification under oath attesting to the completeness and truth of the responses; counsel often prepares the verification and coordinates the signing process to comply with local oath requirements.

Authorized Agent

When corporate parties respond, a corporate officer or knowledgeable representative executes verification and confirms that a reasonable investigation was conducted to respond accurately to each interrogatory.

Real-World Use Examples

Two concise scenarios illustrate practical uses of a plaintiff’s first set of interrogatories in civil litigation.

Case Study 1

A negligence plaintiff used focused interrogatories to identify eyewitnesses and collect incident reports.

  • The defendant located critical repair invoices.
  • The verified answers and produced documents narrowed liability issues, supported a successful dispositive motion in part, and substantially narrowed the scope of depositions required at trial.

Case Study 2

A contract dispute plaintiff served interrogatories targeting contract drafts and communications.

  • The defendant produced a timeline of approvals.
  • Having a sworn timeline and produced emails enabled efficient impeachment at deposition and informed settlement discussions prior to expert discovery.

Practical Tips for Accurate, Efficient Interrogatory Practice

Apply these best practices to reduce disputes, control costs, and preserve admissible evidence throughout discovery.

Be Specific and Narrow
Draft questions focused on discrete facts or documents. Narrow scope by date ranges, custodians, and subject matter to avoid overbroad objections and reduce review time. Specificity also helps the court assess relevance when disputes arise.
Number and Cross-Reference
Number interrogatories and reference document request IDs or production bates ranges. Cross-referencing organizes responses, makes follow-up precise, and speeds meet-and-confer discussions.
Preserve Privilege Carefully
When withholding information, provide a privilege log describing document type, date, author, and basis for privilege without disclosing privileged content. Proper logging prevents waiver and supports quick judicial review if challenged.
Use Verified Templates
Employ jurisdiction-tested templates and include correct verification language. Standardized templates reduce drafting time, minimize procedural errors, and ensure compliance with local oath requirements.

Frequently Asked Questions About Plaintiff’s First Set of Interrogatories to Defendant

Answers to common procedural and practical questions about drafting, serving, and responding to interrogatories.


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