The weekly litigation news digest is live. Subscribe now
The patent EP3318764 was granted to Pfeiffer Vacuum on Nov 11, 2020. The application was filed on Sep 13, 2006 under application number EP17207279A. The patent is currently recorded with a legal status of "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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| OERLIKON LEYBOLD VACUUM | Aug 10, 2021 | DOMPATENT VON KREISLER SELTING WERNER | WITHDRAWN |
| OERLIKON LEYBOLD VACUUM | Aug 10, 2021 | DOMPATENT VON PATENT UND RECHTSANWALTEN | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10215896 |
| DESCRIPTION | DE10331932 |
| EXAMINATION | US6236183 |
| OPPOSITION | DE10156927 |
| OPPOSITION | DE10215896 |
| OPPOSITION | DE19632965 |
| OPPOSITION | DE19648402 |
| OPPOSITION | DE4318214 |
| OPPOSITION | DE4330823 |
| OPPOSITION | EP0560391 |
| OPPOSITION | EP0685266 |
| OPPOSITION | EP0939228 |
| OPPOSITION | EP1246345 |
| OPPOSITION | JP2002021851 |
| OPPOSITION | JP2004132179 |
| OPPOSITION | JPH06346892 |
| OPPOSITION | US2002042334 |
| OPPOSITION | US2002047402 |
| OPPOSITION | US5726881 |
| OPPOSITION | US6184640 |
| OPPOSITION | WO0231958 |
| OPPOSITION | WO03085268 |
| SEARCH | EP0939228 |
| SEARCH | EP1211774 |
| SEARCH | EP1311047 |
| SEARCH | WO03085268 |
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
May 2, 2023
Apr 25, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Dec 14, 2022
Dec 14, 2022
Dec 7, 2022
Dec 7, 2022
Dec 7, 2022
Oct 4, 2022
Oct 4, 2022
Oct 4, 2022
Oct 4, 2022
Oct 4, 2022
Jun 8, 2022
May 30, 2022
May 30, 2022
May 30, 2022
Apr 11, 2022
Apr 1, 2022
Apr 1, 2022
Apr 1, 2022
Jan 11, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Aug 25, 2021
Aug 25, 2021
Aug 17, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Nov 23, 2020
Oct 15, 2020
Decision to grant a European patent
Search/Exam
Sep 30, 2020
(Electronic) Receipt
Search/Exam
Sep 30, 2020
English translation of the claims
Search/Exam
Sep 30, 2020
Filing of the translations of the claims
Search/Exam
Sep 30, 2020
French translation of claims
Search/Exam
Sep 30, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 4, 2020
Aug 4, 2020
Aug 4, 2020
Intention to grant (signatures)
Search/Exam
Aug 4, 2020
Text intended for grant (clean copy)
Search/Exam
Aug 4, 2020
Jun 16, 2020
Amended claims with annotations
Search/Exam
Jun 16, 2020
Amended description with annotations
Search/Exam
Jun 16, 2020
Claims
Search/Exam
Jun 16, 2020
Description
Search/Exam
Jun 16, 2020
Feb 6, 2020
Annex to the communication
Search/Exam
Feb 6, 2020
Communication from the Examining Division
Search/Exam
Jan 30, 2020
Examination started
Search/Exam
Feb 18, 2019
Submission concerning representation
Search/Exam
Jan 4, 2019
Priority search results
Search/Exam
Jan 4, 2019
Nov 30, 2018
Nov 9, 2018
(Electronic) Receipt
Search/Exam
Nov 9, 2018
Nov 9, 2018
Amended claims with annotations
Search/Exam
Nov 9, 2018
Nov 9, 2018
Amended description with annotations
Search/Exam
Nov 9, 2018
Amendments received before examination
Search/Exam
Nov 9, 2018
Letter accompanying subsequently filed items
Search/Exam
May 15, 2018
Apr 23, 2018
Letter concerning the inventor
Search/Exam
Apr 11, 2018
Notification of forthcoming publication
Search/Exam
Apr 11, 2018
Refund of fees
Search/Exam
Apr 4, 2018
Apr 4, 2018
European search opinion
Search/Exam
Apr 4, 2018
European search report
Search/Exam
Apr 4, 2018
Information on Search Strategy
Search/Exam
Mar 27, 2018
Mar 23, 2018
Search started
Search/Exam
Mar 9, 2018
Letter which had not been notified
Search/Exam
Feb 6, 2018
Communication to designated inventor
Search/Exam
Feb 6, 2018
Communication to designated inventor
Search/Exam
Dec 14, 2017
Abstract
Search/Exam
Dec 14, 2017
Dec 14, 2017
Claims
Search/Exam
Dec 14, 2017
Description
Search/Exam
Dec 14, 2017
Designation of inventor
Search/Exam
Dec 14, 2017
Drawings
Search/Exam
Dec 14, 2017
Letter concerning search matters
Search/Exam
Dec 14, 2017
Request for grant of a European patent
Search/Exam
Sep 13, 2006
Priority document
Search/Exam