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IP Verse

Haag Streit competitive analysis

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

Last updated on: Jan 8, 2026

Patent Number	Title	Applicant	Opposition Date
Get instant updates on new opposition filings by Haag Streit
EP2373207	Method And Apparatus For Image Processing For Computer-Aided Eye Surgery	ALCON	Jun 11, 2020
EP2367469	Device For Swept-Source Optical Coherence Domain Reflectometry	CARL ZEISS	Jul 24, 2018

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

Last updated on: Jan 8, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Haag Streit
IPR2018-01309	Jun 25, 2018	HAAG STREIT	EIDOLON OPTICAL	Institution Denied
IPR2018-01311	Jun 25, 2018	HAAG STREIT	EIDOLON OPTICAL	Final Written Decision

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

Last updated on: Jan 8, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
HAAG STREIT	1	-	2	-
CARL ZEISS	68	50	3	15
EIDOLON OPTICAL	-	-	-	2