Term ends Jan 23, 2027 · High confidence
20-year base term ended Jun 6, 2025
Filed Jun 6, 2005 as application 11/147,124 · Granted Dec 8, 2009
Base term plus 596 days of patent term adjustment (USPTO delay)
Today
2005
2027
Clock starts
Jun 6, 2005
Jun 6, 2005
Term ends
Jan 23, 2027
Jan 23, 2027
Granted
Dec 8, 2009
Dec 8, 2009
base term
patent term adjustment
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
596
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
This patent's term runs 596 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jun 6, 2005, when this application, 11/147,124, was filed | Jun 6, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +596 days, USPTO patent term adjustment record | Jan 23, 2027 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 23, 2027 | High confidence |
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 |
|---|---|---|---|
| Jul 14, 2005 Reel 16785, frame 874 | Hodge, Geoffrey; Galliher, Parrish; Fisher, Michael | Xcellerex, LLC | Assignment of Assignor's Interest |
| Jul 30, 2008 Reel 21313, frame 61 | Xcellerex, LLC | Xcellerex, Inc. | Conversion of LLC to "C" Corporation |
| Jul 27, 2011 Reel 26662, frame 1 | Xcellerex, Inc. | Midcap Funding III, LLC | Security Agreement |
| Feb 10, 2014 Reel 32184, frame 86 | Xcellerex, Inc. | GE Healthcare Bio-Sciences Corp. | Merger |
| Mar 6, 2020 Reel 52041, frame 265 | Midcap Funding III, LLC | Xcellerex, Inc. | Release of Security Interest |
| Aug 31, 2020 Reel 53648, frame 854 | GE Healthcare Bio-Sciences Corp. | Global Life Sciences Solutions USA LLC | Change of Name |
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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jan 2027
Term ends Jan 23, 2027. No further fees fall due before then
Note
The 596 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
274
later US patents cite this one
That is top 5% of utility patents granted in 2009 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.