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Rotary Piston Engine Unit With Lubricant Supply Device - EP4015823

The patent EP4015823 was granted to Aerzener Maschinenfabrik on Aug 21, 2024. The application was originally filed on Dec 16, 2020 under application number EP20214588A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4015823

AERZENER MASCHINENFABRIK
Application Number
EP20214588A
Filing Date
Dec 16, 2020
Status
Granted And Under Opposition
Jul 19, 2024
Publication Date
Aug 21, 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

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ATLAS COPCOMay 19, 2025VOADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication Number
DESCRIPTIONAT275329B
DESCRIPTIONEP0288216
DESCRIPTIONEP1818538
DESCRIPTIONEP1855009
OPPOSITIONDE102019201367
OPPOSITIONEP0831208
OPPOSITIONEP3263903
OPPOSITIONGB2198191
OPPOSITIONJP2016153670
SEARCHDE102019201367
SEARCHEP3263903
SEARCHGB2198191
SEARCHWO2015191348

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.

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    Description

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