Term ended May 8, 2022 · High confidence
20-year base term ended May 8, 2022
Held by Clinigen Group PLC
Filed Feb 8, 2006 as application 11/351,166 · Granted May 6, 2008
Base term, 20 years from filing
Today
Term ended May 8, 2022
2002
2026
Clock starts
May 8, 2002
May 8, 2002
Term ended
May 8, 2022
May 8, 2022
Granted
May 6, 2008
May 6, 2008
base term
after the term ends
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,053,072, to May 8, 2022. The term already ends on or before that date, so the cap shortened nothing.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
20
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. All three maintenance fees were paid, so no fee lapse ended it. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts May 8, 2002, when application 10/140,108, the earliest non-provisional in its chain, was filed (this one was filed Feb 8, 2006) | May 8, 2022 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,053,072) | resolves to May 8, 2022, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | May 8, 2022 | High confidence |
This family
| US 6,573,253 | Term ended no later than Feb 2017 | no later than Feb 2017 |
| US 6,753,323 | Term ended Sep 2019 | Sep 2019 |
| US 7,105,575 | Term ended Dec 2017 | Dec 2017 |
| US 7,053,072 | Term ended Nov 2022 | Nov 2022 |
| Application 10/254,673 | Abandoned not computed | not computed |
| US 7,151,094 | Term ended Sep 2019 | Sep 2019 |
| US 7,629,333 | In force no later than Dec 2026 | no later than Dec 2026 |
| US 7,368,440 | this patent May 2022 | May 2022 |
8 of 20 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Aug 25, 2008 Reel 21428, frame 868 | MedImmune Oncology, Inc. | MedImmune, Inc. | Change of Name |
| Aug 25, 2008 Reel 21428, frame 950 | MedImmune, Inc. | MedImmune, LLC | Change of Name |
| Feb 25, 2016 Reel 37822, frame 87 | MedImmune, LLC | Clinigen Group PLC | Assignment of Assignor's Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 7,053,072, ends no earlier than this term, so it caps nothing.
Citations
3
later US patents cite this one
That is below the median of utility patents granted in 2008 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.