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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.


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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.


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Extract from the Register of European Patents

Citations: EP3469036

Cited inInternational search
Type:Patent literature
Publication No.:US6248699  [XI]
 (SUBRAMANIAN SHANKAR [US], et al) [X] 1-8,13-18,20-23,28,29 * example 1; claims 1,15; table 1 * [I] 9-12,19,24-27;
Type:Patent literature
Publication No.:US3799267  [A]
 (ELY J, et al) [A] 1-29 * column 1, line 30 - column 2, line 37; example I; claim 1 *;
Type:Patent literature
Publication No.:CA2665442  [A]
 (SCHLUMBERGER CA LTD [CA]) [A] 1-29 * paragraphs [0065] - [0071]; claims 1,2,7,12,14-16 *