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Misleading Register Alert event notification on 15.04.19

Following a clean-up exercise of event information regarding (previously) revoked patents, that were later reinstated, some existing revocation events ("Despatch of communication that patent is revoked") were duplicated on 15.04.2019.

2019.04.15

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European Patent Register Assistant updated

In order to offer you the best possible learning experience we have launched an updated version of the European Patent Register Assistant online tutorial to include recent changes in the Register.

2019.08.29

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Extract from the Register of European Patents

Citations: EP0784648

Cited inSearch
Type:Patent literature
Publication No.:US5136107  [X]
 (HOLLY JAMES C ET AL) [X] 1-33 * column 1, line 43 - column 2, line 9 * * example - * * column 8, line 48 - line 51 *;
Type:Patent literature
Publication No.:DE2950877  [XA]
 (KALK CHEMISCHE FABRIK GMBH) [X] 1,2,5-8 * example 5 * * claims 1,3 * [A] 3,4,9-33;
Type:Patent literature
Publication No.:GB1436657  [XA]
 (ISC CHEMICALS LTD) [X] 1,2,5-8 * page 1, line 71 - line 75; example . * * claims 1-5,9 * [A] 3,4,9;
Type:Patent literature
Publication No.:US4331821  [XA]
 (SCHUBART RUEDIGER ET AL) [X] 1,2 * column 3, line 17 - line 19 * * column 3, line 53 - line 54 * * column 8, line 27 - line 31 * * examples 9,12A * * claims 1,6 * [A] 3-9
Cited inInternational search
Type:Patent literature
Publication No.:US5055235  [X]
 ;
Type:Patent literature
Publication No.:US5039729  [X]
 ;
Type:Patent literature
Publication No.:US5008477  [Y]
 ;
Type:Patent literature
Publication No.:US4521633  [Y]
 ;
Type:Patent literature
Publication No.:US5210321  [Y]
Cited inOpposition
Type:Patent literature
Publication No.:EP0683795  
Type:Patent literature
Publication No.:EP0781262  
Type:Patent literature
Publication No.:US5017728  
Type:Patent literature
Publication No.:US4287373