IP Verse

Daniel Lehman competitive analysis

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

Last updated on: Jul 21, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Daniel Lehman
IPR2021-00301	Dec 7, 2020	DANIEL LEHMAN	AIR DYNAMICS INDUSTRIAL SYSTEMS	Terminated-Settled
IPR2021-00301	Dec 7, 2020	DANIEL LEHMAN	LEHMAN	Terminated-Settled

IP litigation analysis comparing Daniel Lehman 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
DANIEL LEHMAN	-	-	1	-
AIR DYNAMICS INDUSTRIAL SYSTEMS	-	-	-	1
LEHMAN	-	-	1	1