IP Verse

Ellis competitive analysis

Discover the latest PTAB cases involving Ellis, highlighting their recent legal challenges and patent disputes.

Last updated on: Feb 3, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Ellis
IPR2025-01460	Aug 22, 2025	PORTA SOPHIA	ELLIS	Pending
IPR2020-00150	Nov 14, 2019	STEPHANIE BARNARD DESIGNS	ELLISON EDUCATIONAL EQUIPMENT	Terminated-Settled

IP litigation analysis comparing Ellis with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Jan 29, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
ELLIS	-	-	-	1
PORTA SOPHIA	1	-	1	-