EP4139035

BASF
Application Number
EP21719925A
Filing Date
Apr 22, 2021
Status
Granted And Under Opposition
Sep 22, 2023
Grant Date
Oct 25, 2023
External Links
Slate, Register, Google Patents

Biblio Summary

The patent EP4139035B1 was granted on Oct 25, 2023 by Basf The patent is currently Granted And Under Opposition.

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 DateOpposition Status

Get instant alerts for new oppositions and patent status changes

TORGGLER & HOFMANN PATENTANWALTEJul 25, 2024ADMISSIBLE

The table below shows the patents of Basf that have been opposed by other companies.

Patent NumberTitleGrant DateOpposition Count
EP34376272-Propylheptylocanoat In Cosmetic PreparationsMar 5, 20251
EP2912149Quaternized Ammonium Salts Of Hydrocarbyl Epoxides And Use Thereof As Additives In Fuels And LubricantsDec 25, 20241
EP2870183Method For Producing Water-Absorbent Polymer Particles With Improved PropertiesNov 27, 20241

Dossier Documents of the Patent

The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.