The patent EP3135932 was granted to Pfeiffer Vacuum on Oct 31, 2018. The application was originally filed on Aug 24, 2015 under application number EP15182204A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN104712655 |
| OPPOSITION | US2004227421 |
| SEARCH | DE102013218220 |
| SEARCH | DE10358341 |
| SEARCH | DE1888854U |
| SEARCH | JP2010053947 |
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
Get a free citation report including examiner, opposition, and international search citations.
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OPPO
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Means of redress
OPPO
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Submission concerning representation
Search/Exam
Nov 12, 2018
Oct 5, 2018
Decision to grant a European patent
Search/Exam
Sep 21, 2018
(Electronic) Receipt
Search/Exam
Sep 21, 2018
English translation of the claims
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Sep 21, 2018
Filing of the translations of the claims
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Sep 21, 2018
French translation of claims
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Sep 21, 2018
Letter accompanying subsequently filed items
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May 11, 2018
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Intention to grant (signatures)
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May 11, 2018
Text intended for grant (clean copy)
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May 11, 2018
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Annex to the communication
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Nov 3, 2017
Communication from the Examining Division
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Oct 26, 2017
Examination started
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May 24, 2017
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Amended claims with annotations
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May 24, 2017
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Amended description with annotations
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May 24, 2017
Amendments received before examination
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May 24, 2017
Letter concerning fees and payments
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May 24, 2017
Payment of fees and costs
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Submission concerning representation
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Mar 6, 2017
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Notification of forthcoming publication
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European search opinion
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Feb 10, 2016
European search report
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Feb 10, 2016
Information on Search Strategy
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Feb 3, 2016
Modified abstract
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Jan 29, 2016
Search started
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Oct 16, 2015
Communication to designated inventor
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Oct 16, 2015
Communication to designated inventor
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Aug 24, 2015
Abstract
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Aug 24, 2015
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Claims
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Aug 24, 2015
Description
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Aug 24, 2015
Designation of inventor
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Aug 24, 2015
Drawings
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Aug 24, 2015
Request for grant of a European patent
Search/Exam