IP Verse

Williams competitive analysis

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

Last updated on: Jul 23, 2026

Patent Number	Title	Applicant	Opposition Date
EP3724239	A Coating Composition	PPG INDUSTRIES OHIO	Aug 20, 2025
EP3749591	Self-Curing Coating Compositions	PPG INDUSTRIES OHIO	May 9, 2024
EP2658894	Adhesion Promoter Resin Compositions And Coating Compositions Having The Adhesion Promoter Resin Compositions	AKZO NOBEL	Jul 19, 2023
EP3299494	Treated Surface Metal Sheet And Treated Surface Metal Sheet Coated With Organic Resin	TOYO SEIKAN GROUP	Jul 13, 2022
EP3292175	Improved Coating Systems, Use Thereof For Coating Components And Thus Coated Components For Wind Power Plants	MANKIEWICZ GEBR	Feb 28, 2022
EP3286272	Improved Coating Systems, Use Thereof For Coating Components And Thus Coated Components For Agricultural And Construction Machines	MANKIEWICZ GEBR	Dec 10, 2021
EP3286266	Improved Coating Systems, Use Thereof For Coating Components And Components Coated Therewith For Rail Vehicles And Aircrafts	MANKIEWICZ GEBR	Nov 17, 2021
EP3453464	Rolling Coating Of Lacquers And Wood Surfaces	HESSE	Aug 4, 2021
EP3046593	Long-Acting Limus Formulation On Balloon Catheters	INNORA	Apr 22, 2021
EP2970682	Hybrid Latex Emulsions And Coating Compositions Formed From Hybrid Latex Emulsions	AKZO NOBEL	Jul 22, 2020

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

Last updated on: Jul 27, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Williams
IPR2019-00795	Mar 7, 2019	METASWITCH NETWORKS	WILLIAMS	Terminated-Settled
IPR2019-00796	Mar 7, 2019	METASWITCH NETWORKS	WILLIAMS	Terminated-Settled
IPR2019-00317	Nov 12, 2018	WILLIAM HILL HOLDCO	WILLIAMS	Terminated-Settled
IPR2019-00319	Nov 12, 2018	WILLIAM HILL HOLDCO	WILLIAMS	Terminated-Settled
IPR2019-00320	Nov 12, 2018	WILLIAM HILL HOLDCO	WILLIAMS	Terminated-Settled
IPR2018-01197	Jun 5, 2018	INTERBULK USA	WILLIAMS	Institution Denied
IPR2017-00362	Dec 1, 2016	FIELDPIECE INSTRUMENTS	WILLIAMS	Institution Denied

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

Last updated on: Jul 23, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
THE SHERWIN WILLIAMS	15	19	-	-
AKZO NOBEL	46	48	-	-
PPG INDUSTRIES	86	-	-	-
PPG INDUSTRIES OHIO	3	49	-	2