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The patent EP3294770 was granted to F Hoffmann LA Roche on Mar 20, 2024. The application was filed on May 12, 2016 under application number EP16724821A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| GLAXOSMITHKLINE | Jul 7, 2021 | CHIAPPINELLI | ADMISSIBLE |
| MERCK PATENT | Jul 7, 2021 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | WO2014151006 |
| INTERNATIONAL-SEARCH-REPORT | WO2014197369 |
| OPPOSITION | WO2014151006 |
| OPPOSITION | WO2015036499 |
| OPPOSITION | WO2016034718 |
| OPPOSITION | WO2016183326 |
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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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Text intended for grant (sequence listing)
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(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Claims
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Description
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Examination started
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(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Communication to designated inventor
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(Electronic) Receipt
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Request for entry into the European phase
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Information on entry into European phase
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Converted Sequence Listing
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Copy of the international search report
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Published international application - A1
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ISR: cited documents
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Annex
PCTISA
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Abstract
PCTISA
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Annex
PCTISA
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Claims
PCTISA
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Description
PCTISA
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Drawings
PCTISA
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