Celltech Limited
Records under this name other than patents Celltech Limited holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,808,901 | Production of chimeric antibodies Formerly held In force Term ended Oct 26, 2026 · From the USPTO record | In force | Term ended Oct 26, 2026 | From the USPTO record |
| US 7,566,771 | Humanised antibodies Formerly held Surrendered on reissue Surrendered on reissue Oct 26, 2021 · From the USPTO record | Surrendered on reissue | Surrendered on reissue Oct 26, 2021 | From the USPTO record |
| US 6,307,026 | Humanized antibodies directed against A33 antigen Term ended Term ended Nov 21, 2017 · From the USPTO record | Term ended | Term ended Nov 21, 2017 | From the USPTO record |
| US 6,721,395 | Method and Apparatus for Routing Emergency Services Calls in an Intelligent Network Formerly held Lapsed on the fee record Ended Apr 13, 2016 · Medium confidence | Lapsed on the fee record | Ended Apr 13, 2016 | Medium confidence |
| US 6,509,451 | Cross-linked antibodies and processes for their preparation Lapsed on the fee record Ended Jan 21, 2015 · From the USPTO record | Lapsed on the fee record | Ended Jan 21, 2015 | From the USPTO record |
| US 6,506,881 | Anti-HMFG antibodies and processes for their production Formerly held Lapsed on the fee record Ended Jan 14, 2015 · From the USPTO record | Lapsed on the fee record | Ended Jan 14, 2015 | From the USPTO record |
| US 6,774,228 | Tetra-aza macrocycles and metal complexes thereof Lapsed on the fee record Ended Aug 10, 2012 · From the USPTO record | Lapsed on the fee record | Ended Aug 10, 2012 | From the USPTO record |
| US 6,080,790 | Tri-substituted phenyl derivatives and processes for their preparations Formerly held Lapsed on the fee record Ended Jun 27, 2012 · From the USPTO record | Lapsed on the fee record | Ended Jun 27, 2012 | From the USPTO record |
| US 6,511,663 | Tri- and tetra-valent monospecific antigen-binding proteins Formerly held Term ended Ended no later than Jun 11, 2012 · From the USPTO record | Term ended | Ended no later than Jun 11, 2012 | From the USPTO record |
| US RE48,787 | Humanised Antibodies Formerly held Term ended Term ended Sep 17, 2011 · Low confidence | Term ended | Term ended Sep 17, 2011 | Low confidence |