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The patent EP3629693 was granted to Volta Robots on Jan 26, 2022. The application was filed on May 29, 2018 under application number EP18730872A. 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 |
|---|---|---|---|
| HUSQVARNA | Oct 26, 2022 | SCHROER | ADMISSIBLE |
| KILBURN & STRODE | Oct 26, 2022 | KORENBERG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | JP2944774B |
| INTERNATIONAL-SEARCH-REPORT | EP2944174 |
| INTERNATIONAL-SEARCH-REPORT | JP2944774B |
| INTERNATIONAL-SEARCH-REPORT | US2014215984 |
| INTERNATIONAL-SEARCH-REPORT | US8412419 |
| OPPOSITION | CN103901890 |
| OPPOSITION | CN104793620 |
| OPPOSITION | EP2286653 |
| OPPOSITION | EP2449532 |
| OPPOSITION | EP2764764 |
| OPPOSITION | EP2944174 |
| OPPOSITION | JP2944774B |
| OPPOSITION | JPH04293404 |
| OPPOSITION | KR20170011503 |
| OPPOSITION | US2005102079 |
| OPPOSITION | US2014215984 |
| OPPOSITION | US2015027040 |
| OPPOSITION | US2015306761 |
| OPPOSITION | US2016148104 |
| OPPOSITION | US2016375592 |
| OPPOSITION | US2017024877 |
| OPPOSITION | US5911669 |
| OPPOSITION | US8412419 |
| OPPOSITION | US9008840 |
| OPPOSITION | WO2011002512 |
| OPPOSITION | WO2016097900 |
| OPPOSITION | WO2016103068 |
| OPPOSITION | WO2017049304 |
| OPPOSITION | WO2018075674 |
| OPPOSITION | WO2018087546 |
| OPPOSITION | WO2018208947 |
| OPPOSITION | WO9846065 |
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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Jan 12, 2026
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Appeal
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Description
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Letter accompanying subsequently filed items
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Matter concerning the application
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Annex to the communication
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Communication from the Examining Division
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Dec 18, 2020
Examination started
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Letter which had not been notified
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Communication to designated inventor
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Matter concerning the application
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Nov 20, 2019
Request for entry into the European phase
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Oct 11, 2019
Information on entry into European phase
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Jan 9, 2019
Dec 6, 2018
Copy of the international search report
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Dec 6, 2018
Published international application - A1
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Sep 10, 2018
ISR: cited documents
PCTISA
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Jun 15, 2018
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PCTISA
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Claims
PCTISA
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Description
PCTISA
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Priority search results copy provided by EPO
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