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Sustained Analgesia Achieved With Transdermal Delivery Of Buprenorphine - EP1731152

The patent EP1731152 was granted to Euro Celtique on May 1, 2013. The application was originally filed on Feb 24, 1998 under application number EP06118876A. The patent is currently recorded with a legal status of "Revoked".

EP1731152

EURO CELTIQUE
Application Number
EP06118876A
Filing Date
Feb 24, 1998
Status
Revoked
Feb 17, 2020
Publication Date
May 1, 2013
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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

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TESA LABTECDec 20, 2017BIRD & BIRDINTERVENTION
GALLAFENTJan 24, 2014BIRD & BIRDADMISSIBLE
HEXALJan 23, 2014TER 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
EXAMINATIONUS4806341
EXAMINATIONUS5069909
EXAMINATIONUS5225199
OPPOSITIONDE4237453
OPPOSITIONUS4588580
OPPOSITIONUS4938759
OPPOSITIONUS4956171
OPPOSITIONUS5026556
OPPOSITIONUS5069909
OPPOSITIONUS5171576
OPPOSITIONUS5225199
OPPOSITIONUS5240711
OPPOSITIONWO2012065740
OPPOSITIONWO9619975
OPPOSITIONWO9836728
SEARCHUS4588580
SEARCHUS4956171
SEARCHUS5026556
SEARCHUS5240711
SEARCHUS5486362
SEARCHWO9619975

Dossier Documents

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