IP Verse

Dua competitive analysis

Latest oppositions filed by Dua

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

Last updated on: Jul 23, 2026

Patent Number	Title	Applicant	Opposition Date
EP4054955	A Capsule Having A Sealing Ring With An Inner Liquid-Permeable Compressible Layer And Outer Liquid-Impermeable Shielding Layer	EURO CAPS HOLDING	May 27, 2026
EP3854714	Folding Box	PROCOS	Apr 4, 2025
EP4148000	A Capsule For Containing Beverage Ingredients With A Sealing Member	ALBMARSERG INVERSIONES	Sep 6, 2024
EP3994045	Device For Detecting A Wheel On A Rail Track	BUILD CONNECTED	Apr 30, 2024
EP3290754	Soft Material Seal With Surround	FRENZELIT	Mar 11, 2024
EP3161388	Air Induction Device For Ventilating And Controlling The Temperature Of Rooms And Associated Method	ECOBOOST	Jun 28, 2023
EP3983314	Capsule For Beverage	SARONG SOCIETA PER AZIONI	May 31, 2023
EP3983313	Capsule For Beverages	SARONG SOCIETA PER AZIONI	Apr 6, 2023
EP3794200	Insulating Glazing Unit	SAINT GOBAIN	Mar 14, 2023
EP3730732	Plug Connector For Connecting Ends Of Window Profiles	GRZYWACZ	Aug 10, 2022

Latest patents of Dua opposed by its competitors

Explore Dua's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Jul 23, 2026

Patent Number	Publication Date	Title	Total Oppositions
EP2990296	Jan 25, 2023	A Decommissioning System For Decommissioning A Railway Track Section, As Well As Interface Means For Connecting A Decommissioning System To A Train Safety System Of The Railway Track	1

Latest PTAB cases involving Dua

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

Last updated on: Jul 25, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Dua
IPR2018-00585	Feb 16, 2018	HUAWEI DEVICE	DUAN	Final Written Decision
IPR2017-02076	Sep 8, 2017	CISCO SYSTEMS	DUAN	Terminated-Settled
IPR2017-02077	Sep 8, 2017	CISCO SYSTEMS	DUAN	Terminated-Settled
IPR2017-00673	Jan 20, 2017	T MOBILE	DUAN	Institution Denied
IPR2017-00698	Jan 20, 2017	T MOBILE	DUAN	Institution Denied
IPR2017-00263	Nov 14, 2016	ADIDAS	DUA	Terminated
IPR2017-00264	Nov 14, 2016	ADIDAS	DUA	Terminated

Peer Comparison New

IP litigation analysis comparing Dua 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
SCHURACK	6	-	-	-
ELICA	4	1	-	-
FRENZELIT	-	2	-	-
FRENZELIT WERKE	-	2	-	-