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The International trademark ergophone was filed as Word mark on 02/10/2009 at the World Intellectual Property Organization.
| Trademark form | Word mark | 
| File reference | 996746 | 
| Countries |     | 
| Base trademark |  No. 007331391,
									
									October 21, 2008 | 
| Application date | February 10, 2009 | 
| Expiration date | February 10, 2029 | 
| Date | Document number | Area | Entry | 
|---|---|---|---|
| January 15, 2019 | 2019/7 Gaz | Extension | |
| June 16, 2011 | 2013/16 Gaz | CH | RAW: Rule 18ter(2)(ii) GP following a provisional refusal | 
| June 6, 2011 | 2011/31 Gaz | TR | Rejection | 
| December 13, 2010 | 2010/51 Gaz | NO | Rejection | 
| April 8, 2010 | 2010/17 Gaz | CH | Rejection | 
| March 2, 2010 | 2010/10 Gaz | NO | Rejection | 
| February 25, 2010 | 2010/9 Gaz | RU | Rejection | 
| July 16, 2009 | 2009/33 Gaz | TR | Rejection | 
| February 10, 2009 | 2009/13 Gaz | EM | Registration | 
| Partial deletion | 
ID: 14996746