IP Verse

Zwicker patent opposition analysis

Law FirmOpposition Filing Analysis

The comprehensive analysis of Zwicker opposition landscape, with a particular emphasis on intellectual property (IP) dynamics.

Stay updated with the latest patent oppositions filed by Zwicker

Patent Number	Title	Applicant	Opposition Date	Opposition Company
EP3594239	Methods For Improving Safety Of Blood-Brain Barrier Transport	F HOFFMANN LA ROCHE	Jul 30, 2025	ZWICKER SCHNAPPAUF & PARTNER
EP3299380	Methods Of Purifying Polypeptides	F HOFFMANN LA ROCHE	May 27, 2025	ZWICKER SCHNAPPAUF & PARTNER
EP3458466	Diagnosis Of Inflammatory Bowel Disease Based On Genes	CEDARS SINAI MEDICAL CENTER	May 6, 2025	ZWICKER SCHNAPPAUF & PARTNER
EP3678654	Pneumococcal Polysaccharides And Their Use In Immunogenic Polysaccharide-Carrier Protein Conjugates	MERCK SHARP & DOHME	Mar 18, 2025	SANOFI PASTEUR
EP3926051	Methods For Harvesting Mammalian Cell Cultures	AMGEN	Feb 7, 2025	ZWICKER SCHNAPPAUF & PARTNER
EP3818078	Methods Of Producing Recombinant Proteins	BRISTOL MYERS SQUIBB	Nov 26, 2024	ZWICKER SCHNAPPAUF & PARTNER
EP3134120	Compositions And Methods For Treating Cytokine-Related Disorders	THE CHILDRENS HOSPITAL OF PHILADELPHIA	Oct 23, 2024	SANOFI
EP3626737	A Method Of Increasing The Productivity Of Eucaryotic Cells In The Production Of Recombinant Fviii	OCTAPHARMA	Aug 27, 2024	ZWICKER SCHNAPPAUF & PARTNER
EP3583947	Streptococcus Pneumoniae Capsular Polysaccharides And Conjugates Thereof	PFIZER	Jul 11, 2024	SK BIOSCIENCE
EP3995507	Il-15 And Il-15Ralpha Sushi Domain Based On Modulokines	UNIVERSIT DE PARIS	Jul 4, 2024	SANOFI

Top companies who are the clients of Zwicker

Company	Total
ZWICKER SCHNAPPAUF & PARTNER	15
SANOFI	8
SANOFI PASTEUR	5
SK BIOSCIENCE	5
BIOVERATIV THERAPEUTICS	3
SANOFI PASTEUR INCSANOFI AVENTIS DEUTSCHLAND GMBHSANOFI WINTHROP INDUSTRIES	3
PLASSERAUD	1
REGENERON PHARMACEUTICALS	1
APPLEYARD LEES FLECK BARBARA	1
MAB DISCOVERY	1