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Jones Day competitive analysis

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

Last updated on: Sep 10, 2026

Patent Number	Title	Applicant	Opposition Date
EP3298033	Compositions And Methods For Tcr Reprogramming Using Fusion Proteins	TCR THERAPEUTICS	May 4, 2021
EP2365017	Biomass-Resource-Derived Polyester And Production Process Thereof	MITSUBISHI CHEMICAL	Apr 2, 2020
EP2800811	Methods And Compositions For Rna-Directed Target Dna Modification And For Rna-Directed Modulation Of Transcription	CHARPENTIER	Feb 9, 2018
EP2896697	Engineering Of Systems, Methods And Optimized Guide Compositions For Sequence Manipulation	MASSACHUSETTS INSTITUTE OF TECHNOLOGY	Jun 2, 2016
EP2764103	Crispr-Cas Systems And Methods For Altering Expression Of Gene Products	MASSACHUSETTS INSTITUTE OF TECHNOLOGY	May 19, 2016

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

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

Last updated on: Sep 10, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
JONES DAY	5	-	-	-
MASSACHUSETTS INSTITUTE OF TECHNOLOGY	-	133	-	16
MITSUBISHI CHEMICAL	1	20	-	-
THE BROAD INSTITUTE	-	122	-	1