IP Verse

Doster competitive analysis

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

Last updated on: Sep 3, 2026

Patent Number	Title	Applicant	Opposition Date
EP2754151	Device, Method And Electro-Acoustic System For Prolonging The Reverberation Period	FRAUNHOFER GESELLSCHAFT ZUR FRDERUNG DER ANGEWANDTEN FORSCHUNG EV	Oct 6, 2016

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

Last updated on: Sep 7, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Doster
IPR2018-01691	Sep 7, 2018	ULTERRA DRILLING	DOSTER	Terminated-Settled

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

Last updated on: Sep 3, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
DOSTER	-	-	-	1
ULTERRA DRILLING	-	-	10	-