IP Verse

Seiko Optical Europe competitive analysis

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

Last updated on: Aug 27, 2026

Patent Number	Title	Applicant	Opposition Date
EP1666953	Spectacle Lens Comprising Spherical Front Side And Multi-Focal Back Side And Method For Its Production	CARL ZEISS	Jul 19, 2017
EP2287654	Spectacle Lens Comprising Spherical Front Side And Multi-Focal Back Side And Method For Its Production	CARL ZEISS VISION GMBH	Jul 19, 2017

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

IP litigation analysis comparing Seiko Optical Europe 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
SEIKO OPTICAL EUROPE	2	-	-	-
CARL ZEISS	11	42	2	5
CARL ZEISS VISION GMBH	4	3	-	-