The weekly litigation news digest is live. Subscribe now

IP Verse

Pharmaceutical Composition Comprising Drospirenone And Contraceptive Kit - EP3632448

The patent EP3632448 was granted to Laboratorios Leon Farma on Jan 12, 2022. The application was originally filed on Jun 28, 2011 under application number EP19209672A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3632448

LABORATORIOS LEON FARMA
Application Number
EP19209672A
Filing Date
Jun 28, 2011
Status
Granted And Under Opposition
Dec 10, 2021
Publication Date
Jan 12, 2022
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

ADALVOOct 12, 2022MAIWALDADMISSIBLE
LUIGIOct 12, 2022TER MEER STEINMEISTER & PARTNERADMISSIBLE

Patent Citations (21) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONEP20110746101
DESCRIPTIONEP1214076
DESCRIPTIONUS4129564
DESCRIPTIONWO2006061309
DESCRIPTIONWO2006128907
DESCRIPTIONWO2008031631
DESCRIPTIONWO2009138224
DESCRIPTIONWO9806738
OPPOSITIONEP1214076
OPPOSITIONEP1380301
OPPOSITIONUS2005220825
OPPOSITIONWO2006015956
OPPOSITIONWO2006061309
OPPOSITIONWO2006128907
OPPOSITIONWO2008031631
OPPOSITIONWO2009138224
OPPOSITIONWO2012000981
SEARCHEP1214076
SEARCHWO2008031631
SEARCHWO2009138224
SEARCHWO2010015713

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents