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.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.epic.org/amicus/daleiden

Jane and John Does 1-10 v. ... filed suit to block release of their names and other identifying information on records responsive to the defendant's PRA request.

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

Defendants identified at this juncture as John and Jane Doe defendants. ... Upon information and belief, Defendants John Doe Corporations 1 through 10.

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

Jun 3, 2017 ... (b) An amendment correcting the name of a party against whom a claim ... or as use as a class of defendants, e.g., John Doe Defendants 1—10, ...

www.pabulletin.com/secure/data/vol49/49-6/182.html

Feb 9, 2019 ... Rule 2005(b) does not authorize the filing of a praecipe for a writ of .... or as use as a class of defendants, e.g., John Doe Defendants 1—10, ...

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

Doe defendants, it focused the inquiry under Rule 15(c)(1)(C)(ii) on whether the prospective ...... 1:10-CV-93-JVB, 2010 WL 3219135, at *10 (N.D.. Ind. Aug.

www.bc.edu/content/dam/files/schools/law/bclawreview/pdf/50_5/04_lidsky.pdf

suits against anonymous “John Doe” defendants based on Internet speech. Between 1999 .... 1, 10 (2004) (“Mass media create a technological bottleneck, and ...

ecollections.law.fiu.edu/cgi/viewcontent.cgi?article=1071&context=faculty_publications

Nov 11, 2014 ... Howard M. Wasserman, Civil Rights Plaintiffs and John Doe Defendants: A Study in § 1983 Procedure , 25 Cardozo L. Rev. 793 (2003).