en.wikipedia.org/wiki/Fictitious_defendants

A fictitious defendant is a person that cannot be identified by the plaintiff before a lawsuit is commenced. Commonly this person is identified as "John Doe" or " Jane Doe". ... of claim often use contrived names such as John Doe in the title of proceedings and identify the person's role in the lawsuit in the body of the pleading.

answers.justia.com/question/2010/10/24/definition-does-1-100-inclusive-726

Oct 24, 2010 ... A: "Does", "John Doe" or "Jane Doe" are placeholder name used in legal ... up to 100 additional parties (fictitious defendants) to the legal action ...

www.jstor.org/stable/1228175

variation of "Doe"'-to designate any real defendant whose name or identity is not .... they assign fictitious names such as "John Doe," "Black and White. Company ...

ir.lawnet.fordham.edu/cgi/viewcontent.cgi?article=5491&context=flr

C. John Doe Pleading: From Fictional to Functional............... 2082. II. .... plaintiff amend the complaint to add the real names of defendants previously identified as  ...

www.torrentlawyer.com/when-named-served

Feb 8, 2011 ... You remain a “John Doe” defendant — anonymous to the world, but only ... the name of the accused defendants from “John Does 1-200” (or ...

www.ghmc.org/civil-claims/getting-started/how-to-sue

If either party does not have a lawyer, all parties have to appear in court for a case .... John Doe: A fictitious name may be used in a claim against a defendant ...

www.schollelaw.com/files/_federal_court_auto_accident_drunk_driver_complaint_and_initial_discovery.pdf

John Does (1-5) are subject to the jurisdiction and venue of this court. ... are unknown to the Plaintiff, who therefore sues said Defendants by such fictitious names. Plaintiff will amend Complaint to show said John Does' true names and service.

www.jud.ct.gov/lawlib/Notebooks/Pathfinders/assumed_names.pdf

9. Table 2: John or Jane Doe Defendants in Summary Process Matters .................. ........... 11. Section 2: Use of Fictitious Business Names in Connecticut .

www.njcourts.gov/attorneys/assets/rules/r4-26.pdf

plaintiff, process may issue against the defendant under a fictitious name, stating it to ... (ii) By the name "John Doe, husband of ..., said name of John Doe being.