Interrogatories (Rule 33):
- Written questions one party sends to another.
- The responding party must answer under oath, typically within 30 days.
Requests for Production (Rule 34):
- Requests to produce documents, electronically stored information (ESI), or other tangible evidence.
Requests for Admission (Rule 36):
- Requests that the other party admit or deny specific facts to narrow the issues for trial.
Depositions (Rules 30–32):
- In-person or remote questioning of a party or witness under oath.
- Can be used to preserve testimony or gather detailed information.
Subpoenas (Rule 45):
- Used to compel non-parties to produce documents or appear for a deposition.
Physical or Mental Examinations (Rule 35):
- May be ordered by the court when a party's physical or mental condition is in controversy.