IP Verse

Hepp Wenger Ryffel competitive analysis

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

Last updated on: Sep 17, 2026

Patent Number	Title	Applicant	Opposition Date
EP4072332	Moist Oral Compositions	NICOVENTURES TRADING LIMITED	Sep 11, 2025
EP3659594	A Sterile Solution With An Application Injector Comprising A Medical Agent And Method For Producing Same	STEGEMANN	Aug 18, 2021
EP2866738	System To Assist In The Release Of A Collapsible Stent From A Delivery Device	ST JUDE MEDICAL	May 16, 2017
EP2926767	Repositionable Heart Valve	BOSTON SCIENTIFIC	Feb 3, 2017
EP2815725	Collapsible And Re-Expandable Prosthetic Heart Valve Cuff Designs And Complementary Technological Applications	ST JUDE MEDICAL	Jan 4, 2017
EP2220689	Method For Manufacturing A Solar Cell With A Surface-Passivating Dielectric Double Layer, And Corresponding Solar Cell	HANWHA Q CELLS	May 27, 2015

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

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

Last updated on: Sep 17, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
HEPP WENGER RYFFEL	6	-	-	-
HANWHA Q CELLS	-	10	-	-
HANWHA Q CELLS & ADVANCED MATERIALS	-	10	-	3
ST JUDE MEDICAL	4	76	9	-