| Declaration submission | Declaration submission | Declaration submission | restored patent family numbers as initially declared | Automatic patent import | Declaration submission | Manual patent holder change | modification on not yet submitted declaration (reference:) |
| US20090468624 | US20090468624 | US20090468624 | US20090468624 | US20090468624 | US20090468624 | US20090468624 | US20090468624 |
| 19/05/2009 | 19/05/2009 | 19/05/2009 | 19/05/2009 | 19/05/2009 | 19/05/2009 | 19/05/2009 | 19/05/2009 |
| US2009225891 A1 10/09/2009 | US2009225891 A1 10/09/2009 | US2009225891 A1 10/09/2009 | US2009225891 A1 10/09/2009 | US8254246 B2 28/08/2012 US2009225891 A1 10/09/2009 | US8254246 B2 28/08/2012 US2009225891 A1 10/09/2009 | US8254246 B2 28/08/2012 US2009225891 A1 10/09/2009 | US8254246 B2 28/08/2012 US2009225891 A1 10/09/2009 |
| SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS | SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS | SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS | SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS | SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS | SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS | SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS | SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS |
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| UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES |
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| NORTEL NETWORKS LTD [CA] | NORTEL NETWORKS LTD [CA] | NORTEL NETWORKS LTD [CA] | NORTEL NETWORKS LTD [CA] | RESEARCH IN MOTION LTD [CA] | RESEARCH IN MOTION LTD [CA] | Research in Motion Limited | Research in Motion Limited |
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