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 ...

www.litigationbythenumbers.com/wp-content/uploads/DOEexplanation.pdf

particular DOE defendant is ascertained, the plaintiff amends the complaint to refer to ... defendant's correct name for one of the DOES, thus correcting the error.

www.avvo.com/legal-answers/what-does-it-mean-on-a-summons-doe-defendants-1-10-828724.html

does are unknown defendants. they are pled to protect the right to substitute later other defendants if it becomes necessary.

www.pacourts.us/assets/uploads/Resources/Documents/Proposed%20Amendment%20of%20PaRCP%20Nos%201018%20and%201033%20and%20Proposed%20Adoption%20of%20PaRCP%20No%202005%20-%20006152.pdf?cb=87ef0

Aug 4, 2017 ... defendant by a fictitious name for the reasons set forth in the .... as use as a class of defendants, e.g., John Doe Defendants 1-10, is not a valid ...

www.pabulletin.com/secure/data/vol47/47-22/918.html

Jun 3, 2017 ... (1) a defendant's actual name is unknown to the plaintiff or joining ... the naming of unknown, or John/Jane Doe, defendants in a complaint.

www.ask.com/youtube?q=Doe+Defendant+1&v=Ll-tlL1lJFA
Sep 8, 2016 ... ... Warrior" Attorney Steve Vondran explains what a "Doe" Defendant is. ... a Plaintiff does not know the name of one or more Defendants.

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

AGAINST JOHN DOE DEFENDANTS. Meg Tomlinson*. Federal Rule of Civil Procedure 15(c)(1)(C) governs amendments that change the party or naming of a  ...

pubcit.typepad.com/clpblog/files/VPcomplaint.pdf

OTHER JOHN DOE ENTITIES 1 THROUGH 10, all whose true names are unknown,. Defendants. COMPLAINT. Plaintiff, Video Professor, Inc. ("VPI"), through ...

scholars.law.unlv.edu/cgi/viewcontent.cgi?article=1638&context=nlj

rence” test in Rule 15(c)(1)(B) would center on whether the defendant would .... correctional officers he had originally sued by name or Doe designation and.