IP Verse

Biodegradable Polyester Composition

Patent No. EP3260495 (titled "Biodegradable Polyester Composition") was filed by Yang on Feb 24, 2017. The application was issued on Apr 7, 2021.

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Patent Oppositions (2)

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 DateRepresentative
BASFJan 7, 2022MEISSNER BOLTE PARTNERSCHAFT MBB
NOVAMONTJan 7, 2022MAIWALD PATENT- UND RECHTSANWALTSGESELLSCHAFT MBH

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

EP3260495

YANG
Application Number
EP17762457A
Filing Date
Feb 24, 2017
Status
Opposition Rejected
Sep 5, 2025
Publication Date
Apr 7, 2021
External Links
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