IP Verse

Process For Producing Ruthenium Complexes And Intermediates Thereof And Their Use In Olefin Metathesis - EP3356379

The patent EP3356379 was granted to Apeiron Synthesis on Sep 3, 2025. The application was originally filed on Jul 27, 2016 under application number EP16774982A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3356379

APEIRON SYNTHESIS
Application Number
EP16774982A
Filing Date
Jul 27, 2016
Status
Patent Maintained As Amended
Aug 1, 2025
Grant Date
Sep 3, 2025
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

UMICOREDec 8, 2021VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB -

Patent Citations (12) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTUS2003069374
INTERNATIONAL-SEARCH-REPORTWO2011056881
OPPOSITIONEP1905777
OPPOSITIONFR2947189
OPPOSITIONUS2014309433
OPPOSITIONUS6613910
OPPOSITIONWO2004035596
OPPOSITIONWO2008010961
OPPOSITIONWO2011056881
OPPOSITIONWO2011083146
OPPOSITIONWO2014091157
OPPOSITIONWO2015157736

Non-Patent Literature (NPL) Citations (4) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
OPPOSITION- Evans M., "Epic Ligand Survey: N-heterocyclic Carbenes", Organometallic Reader, (20120126), pages 1 - 6, XP055894646
OPPOSITION- Zhang, W. Bai, C. Lu, X. He, R., "Facile one-step synthesis of bis(NHC) ruthenium benzylidene catalyst for ring-closing metathesis", Journal of Organometallic Chemistry, ELSEVIER, AMSTERDAM, NL, AMSTERDAM, NL , (20070715), vol. 692, no. 16, ISSN 0022-328X, pages 3563 - 3567, XP022133077
OPPOSITION- Anonymous, "Cyclic Alkyl Amino Carbenes", Wikipedia, doi:10.1002/anie.200501841, (20230405), Wikipedia, URL: https://en.wikipedia.org/wiki/Cyclic_alkyl_amino_carbenes, (20240201), XP093126438
OPPOSITION- Vanessa M. Marx, Alexandra H. Sullivan, Mohand Melaimi, Scott C. Virgil, Benjamin K. Keitz, David S. Weinberger, Guy Bertrand, Robert H. Grubbs, "Cyclic Alkyl Amino Carbene (CAAC) Ruthenium Complexes as Remarkably Active Catalysts for Ethenolysis", Angewandte Chemie International Edition, ¬Verlag Chemie| :, (20150202), vol. 54, no. 6, doi:10.1002/anie.201410797, ISSN 1433-7851, pages 1919 - 1923, XP055302574

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

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