|   |   | 
Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL. | A61K 47/48 | (2006.01) | 
| A61K 38/21 | (2006.01) | 
| (11) | Number of the document | 2234645 | 
| (13) | Kind of document | T | 
| (96) | European patent application number | 08863833.3 | 
| Date of filing the European patent application | 2008-12-18 | |
| (97) | Date of publication of the European application | 2010-10-06 | 
| (45) | Date of publication and mention of the grant of the patent | 2012-05-02 | 
| (46) | Date of publication of the claims translation | 2012-07-25 | 
| (86) | Number | PCT/EP2008/067876 | 
| Date | 2008-12-18 | 
| (87) | Number | WO 2009/080699 | 
| Date | 2009-07-02 | 
| (30) | Number | Date | Country code | 
| 07150258 | 2007-12-20 | EP | |
| 10258 | 2008-01-07 | US | 
| (72) | 
                    
                    
                    
                    
                    DEL RIO, Alessandra, IT  
                    
                    
                    
                    
                    RICHARD, Joel, FR  | 
| (73) | Merck Serono S.A.,
                Centre Industriel, 1267 Coinsins,
                CH | 
| (74) | Marija LENKUTIENĖ,
                Patentinių paslaugų centras, UAB, Jono Basanavičiaus g. 11/1, LT-03108 Vilnius,
                LT | 
| (54) | PEG-interferono-beta kompozicijos | 
| PEG-INTERFERON-BETA FORMULATIONS | 
| Payment date | Validity (years) | Amount | |
| 2014-11-20 | 7 | 560.00 LTL | 
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2015-12-18 |