The weekly litigation news digest is live. Subscribe now

IP Verse

Geared Turbofan Engine With Counter-Rotating Shafts - EP2820256

The patent EP2820256 was granted to Raytheon on Jun 2, 2021. The application was originally filed on Jan 17, 2013 under application number EP13754324A. The patent is currently recorded with a legal status of "Revoked".

EP2820256

RAYTHEON
Application Number
EP13754324A
Filing Date
Jan 17, 2013
Status
Revoked
Aug 15, 2024
Publication Date
Jun 2, 2021
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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

SAFRAN AIRCRAFT ENGINESFeb 28, 2022REGIMBEAUADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication Number
DESCRIPTIONDE3933776
DESCRIPTIONUS2008098715
DESCRIPTIONUS2009317229
EXAMINATIONEP2809912
INTERNATIONAL-SEARCH-REPORTUS2008276621
INTERNATIONAL-SEARCH-REPORTUS2009097967
INTERNATIONAL-SEARCH-REPORTUS2009317229
INTERNATIONAL-SEARCH-REPORTUS2010132377
INTERNATIONAL-SEARCH-REPORTUS5081832
INTERNATIONAL-SEARCH-REPORTUS7685808
INTERNATIONAL-SEARCH-REPORTUS8015798
OPPOSITIONUS5160251
OPPOSITIONWO2013116028
OPPOSITIONWO2013116259
SEARCHDE3933776
SEARCHUS2008098715
SEARCHUS2008276621
SEARCHUS2009317229
SEARCHUS5160251

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