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The patent EP3206873 was granted to Bayer on Dec 12, 2018. The application was filed on Oct 9, 2015 under application number EP15778298A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| STRAWMAN | Sep 12, 2019 | APPLEYARD LEES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE4406976 |
| INTERNATIONAL-SEARCH-REPORT | DE10056855 |
| INTERNATIONAL-SEARCH-REPORT | DE19837764 |
| INTERNATIONAL-SEARCH-REPORT | US2005211369 |
| INTERNATIONAL-SEARCH-REPORT | WO2013014893 |
| OPPOSITION | DE10056855 |
| OPPOSITION | GB735972 |
| OPPOSITION | JP2013046997 |
| OPPOSITION | US2003120229 |
| OPPOSITION | US2004057984 |
| OPPOSITION | US2005211369 |
| OPPOSITION | US2011194983 |
| OPPOSITION | US4556441 |
| OPPOSITION | US4867821 |
| OPPOSITION | US4991378 |
| OPPOSITION | US5133821 |
| OPPOSITION | US5891290 |
| OPPOSITION | WO0128904 |
| OPPOSITION | WO0214069 |
| OPPOSITION | WO2013014893 |
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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(Electronic) Receipt
Search/Exam
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Annexes in respect of a client data request
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Annexes in respect of a client data request
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Annexes in respect of a client data request
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Annexes in respect of a client data request
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2019
Letter concerning fees and payments
Search/Exam
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Letter which had not been notified
Search/Exam
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(Electronic) Receipt
Search/Exam
Nov 30, 2018
Annexes in respect of a client data request
Search/Exam
Nov 30, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 30, 2018
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
Oct 2, 2018
English translation of the claims
Search/Exam
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Filing of the translations of the claims
Search/Exam
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French translation of claims
Search/Exam
Oct 2, 2018
Letter accompanying subsequently filed items
Search/Exam
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(Electronic) Receipt
Search/Exam
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(Electronic) Receipt
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Jun 1, 2018
Text intended for grant (clean copy)
Search/Exam
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Examination started
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
May 18, 2017
Priority search results copy provided by EPO
Search/Exam
May 2, 2017
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(Electronic) Receipt
Search/Exam
Apr 11, 2017
Request for entry into the European phase
Search/Exam
Feb 24, 2017
Information on entry into European phase
Search/Exam
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Copy of the international search report
Search/Exam
Apr 21, 2016
Copy of the international search report
Search/Exam
Apr 21, 2016
Published international application - A1
Search/Exam
Jan 25, 2016
ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
Oct 9, 2015
Abstract
PCTRO
Oct 9, 2015
Claims
PCTRO
Oct 9, 2015
Description
PCTRO
Oct 9, 2015
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PCTRO
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