The weekly litigation news digest is live. Subscribe now

IP Verse

Controlling Cure Rate With Wetted Filler - EP4136136

The patent EP4136136 was granted to PRC Desoto on Jan 29, 2025. The application was originally filed on Apr 15, 2021 under application number EP21723577A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4136136

PRC DESOTO
Application Number
EP21723577A
Filing Date
Apr 15, 2021
Status
Granted And Under Opposition
Dec 26, 2024
Publication Date
Jan 29, 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

CHEMETALLOct 28, 2025STEFFAN & KIEHNE PATENTANWALTE PARTG MBBADMISSIBLE

Patent Citations (39) New

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

Citation PhasePublication Number
DESCRIPTIONJPS6253354
DESCRIPTIONUS2010010133
DESCRIPTIONUS2011319559
DESCRIPTIONUS2016090507
DESCRIPTIONUS2016152775
DESCRIPTIONUS2017114208
DESCRIPTIONUS2017369757
DESCRIPTIONUS3517082
DESCRIPTIONUS4366307
DESCRIPTIONUS4609762
DESCRIPTIONUS4623711
DESCRIPTIONUS5225472
DESCRIPTIONUS6172179
DESCRIPTIONUS7009032
DESCRIPTIONUS7390859
DESCRIPTIONUS7875666
DESCRIPTIONUS8138273
DESCRIPTIONUS8466220
DESCRIPTIONUS8541513
DESCRIPTIONUS8729216
DESCRIPTIONUS8816023
DESCRIPTIONUS8952124
DESCRIPTIONUS8993691
DESCRIPTIONUS9079833
DESCRIPTIONUS9382642
DESCRIPTIONUS9422451
DESCRIPTIONUS9540540
DESCRIPTIONUS9663619
DESCRIPTIONWO2018031532
DESCRIPTIONWO2018085650
INTERNATIONAL-SEARCH-REPORTJP2000053943
INTERNATIONAL-SEARCH-REPORTJPH09263699
INTERNATIONAL-SEARCH-REPORTJPH10204412
INTERNATIONAL-SEARCH-REPORTUS2014275474
INTERNATIONAL-SEARCH-REPORTUS2019010370
INTERNATIONAL-SEARCH-REPORTUS3931078
INTERNATIONAL-SEARCH-REPORTWO2015102967
OPPOSITIONUS4104189
OPPOSITIONUS4623711

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