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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: EP0832306

Cited inInternational search
Type:Patent literature
Publication No.:EP0209272  [X]
 (CHEVRON RESEARCH COMPANY) [X] 48,51,54,55 * column 3, line 35 - line 51; claims 1,5,6 *;
Type:Patent literature
Publication No.:US2520958  [Y]
 (POOLE H.G.) [Y] 48-55 * column 1 - column 3 *;
Type:Patent literature
Publication No.:FR1559880  [YA]
 (SHERITT GORDON MINES LTD) [Y] 48-55 * page 3 - page 6 * [A] 1,30-34;
Type:Patent literature
Publication No.:US4108639  [A]
 (LAKE M.J. ET AL.) [A] 1,4-6,42-47 * figures 1-4; claims 1,16-27 *;
Type:Patent literature
Publication No.:US4971662  [A]
 (SAWYER H.D. ET AL.) [A] 1,35-41 * column 2; claims 1-11 *;
Type:Patent literature
Publication No.:US4039406  [A]
 (STANLEY R.W. ET AL.) [A] 1,35-41 * column 2, line 58 - column 4, line 64; figure 1; claims 1,5-7 *;
Type:Patent literature
Publication No.:US4457897  [A]
 (STANLEY R.W. ET AL.) [A] 1,5 * column 5 - column 6; figure 6 *;
Type:Patent literature
Publication No.:US4861371  [A]
 (LOWENHAUPT H.) [A] 1,4-6 * column 1, line 26 - line 58; claims 1,6,7; table 3 *;
Type:Patent literature
Publication No.:GB2018732  [A]
 (INCO LIMITED) [A] 1,6,42 * page 1, line 22 - page 2, line 10 * * page 2, line 59 - page 3, line 8 *;
Type:Patent literature
Publication No.:GB970011  [A]
 (INTERNATIONAL NICKEL COMPANY OF CANADA) [A] 1,4,68-75 * page 1; figure 1; claims 1-17 *;
Type:Patent literature
Publication No.:US4600435  [Y]
 (WIEGERS B. ET AL.) [Y] 68-75 * see the whole document *;
Type:Patent literature
Publication No.:EP0651062  [Y]
 (QUEENSLAND NICKEL PTY LTD) [Y] 68-75 * page 5 - page 7; claims 1-25 *;
Type:Patent literature
Publication No.:US3981968  [Y]
 (MILLER D.J. ET AL.) [Y] 68-75 * column 9, line 41 - column 13, line 41; figure 1 *;
Type:Patent literature
Publication No.:US4818503  [A]
 (NYMAN B.G. ET AL.) [A] 68 * column 6; claims 1-3 *