IP Verse

Ellis competitive analysis

Explore patent oppositions filed by Ellis against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Aug 27, 2026

Patent Number	Title	Applicant	Opposition Date
EP2273985	Capsule For The Prevention Of Cardiovascular Diseases	CNIC	Nov 17, 2016
EP2203462	Nucleoside Phosphoramidate Prodrugs	GILEAD PHARMASSET	Feb 19, 2015

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

Last updated on: Aug 28, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Ellis
IPR2025-01460	Aug 22, 2025	PORTA SOPHIA	ELLIS	Discretionary Denial
IPR2020-01525	Aug 27, 2020	FACEBOOK	ELLIS	Terminated-Settled
IPR2020-01527	Aug 27, 2020	FACEBOOK	ELLIS	Terminated-Settled
IPR2020-01528	Aug 27, 2020	FACEBOOK	ELLIS	Terminated-Settled
IPR2020-00150	Nov 14, 2019	STEPHANIE BARNARD DESIGNS	ELLISON EDUCATIONAL EQUIPMENT	Terminated-Settled
IPR2019-01420	Aug 5, 2019	COMCAST CABLE COMMUNICATIONS	ELLIS	Terminated-Settled
IPR2019-01413	Jul 31, 2019	COMCAST CABLE COMMUNICATIONS	ELLIS	Terminated-Settled
IPR2019-01421	Jul 31, 2019	COMCAST CABLE COMMUNICATIONS	ELLIS	Terminated-Settled
IPR2019-01431	Jul 31, 2019	COMCAST CABLE COMMUNICATIONS	ELLIS	Terminated-Settled
IPR2019-01416	Jul 30, 2019	COMCAST CABLE COMMUNICATIONS	ELLIS	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: Aug 27, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
ELLIS	2	-	-	14
CNIC	-	1	-	-
COMCAST CABLE COMMUNICATIONS	-	-	158	-
FACEBOOK	-	1	127	6