IP Verse

Per Aarsleff A/s competitive analysis

Explore patent oppositions filed by Per Aarsleff A/s against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Aug 27, 2026

Patent Number	Title	Applicant	Opposition Date
EP3043121	Relining A Ventilation System	LINERVENT	Mar 23, 2020
EP3236129	Light Head For Use In Relining Pipes	PEANTA INVENTIONS	Oct 22, 2019
EP3106731	Device And Method For Repairing Pipe	LMK	Mar 5, 2019
EP2447589	Device And Method For Repairing Pipe	LMK	Jun 21, 2017
EP2539621	Apparatus And Method To Repair The Junction Of A Sewer Main Line And Lateral Pipe	LMK	Mar 29, 2017

Discover the latest PTAB cases involving Per Aarsleff A/s, highlighting their recent legal challenges and patent disputes.

IP litigation analysis comparing Per Aarsleff A/s with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Aug 27, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
PER AARSLEFF A/S	5	-	-	-
LINERVENT	-	3	-	-
LMK	-	4	-	3
LMK ENTERPRISES	-	2	-	2