The weekly litigation news digest is live. Subscribe now

Apparatus And Method For Continuously Drying Bulk Goods, In Particular Wood Chips And/Or Wood Fibers Comprising A Solid Fired Hot Gas Generator - EP3589891

The patent EP3589891 was granted to Douglas Technical on Nov 20, 2024. The application was filed on Mar 3, 2017 under application number EP17708524A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3589891

DOUGLAS TECHNICAL
Application Number
EP17708524A
Filing Date
Mar 3, 2017
Status
Granted And Under Opposition
Oct 18, 2024
Publication Date
Nov 20, 2024
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
NUBOLDAug 20, 2025-ADMISSIBLE

Patent Citations (15) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTEP0459603
INTERNATIONAL-SEARCH-REPORTEP2375152
INTERNATIONAL-SEARCH-REPORTUS2008271335
INTERNATIONAL-SEARCH-REPORTUS2017051972
OPPOSITIONDE102006020117
OPPOSITIONEP0334570
OPPOSITIONEP0459603
OPPOSITIONEP1830038
OPPOSITIONEP1916478
OPPOSITIONEP2202474
OPPOSITIONUS2008271335
OPPOSITIONUS2017051972
OPPOSITIONWO2009087108
OPPOSITIONWO2010102736
OPPOSITIONWO2015140350

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