IP Verse

Liu competitive analysis

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

Last updated on: Jul 16, 2026

Patent Number	Title	Applicant	Opposition Date
EP4298035	Motor Cartridge For Roller, Roller	RULLI RULMECA	May 27, 2026
EP4378436	Apparatus For Distributing Superabsorbent Particles Onto A Substrate	ONTEX	May 27, 2026
EP4301302	Absorbent Article With Improved Elastic Panels	ONTEX	Apr 2, 2026
EP4234752	Methods Of Making Highly-Formable Aluminum Alloys And Aluminum Alloy Products Thereof	NOVELIS	Mar 20, 2026
EP4385474	Apparatus For Feeding And Distributing Superabsorbent Particles Onto A Substrate	ONTEX	Mar 2, 2026
EP3348246	Nonwoven Carrier For Absorbent Article	ONTEX	Feb 26, 2026
EP4137111	Absorbent Article With Improved Multi-Layered Core	ONTEX	Feb 6, 2026
EP3838242	Absorbent Core For Disposable Absorbent Articles With Increased Absorption Rate And Improved Integrity	ONTEX	Jan 28, 2026
EP4321141	Absorbent Article With Improved Multi-Layered Core	ONTEX	Jan 16, 2026
EP3877562	2Xxx Aluminum Lithium Alloys	ARCONIC	Dec 19, 2025

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

Last updated on: Jul 15, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Liu
IPR2022-00502	Jan 31, 2022	SAMSUNG ELECTRONICS	LIU	Terminated-Settled
IPR2018-01482	Jul 31, 2018	EVERLIGHT ELECTRONICS	LIU	Terminated-Settled

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

Last updated on: Jul 16, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
CONSTELLIUM ISSOIRE	-	23	-	-
ARCONIC	43	20	1	-
HOWMET AEROSPACE	3	2	-	2