Collateral for a security interest recorded Apr 21, 2020 (Silicon Valley Bank).
Term ends Aug 18, 2027 · High confidence
20-year base term ends Jan 4, 2027
Held by Phasebio Pharmaceuticals, Inc.
Filed Jan 4, 2007 as application 11/620,034 · Granted May 4, 2010
Base term plus 226 days of patent term adjustment (USPTO delay)
Today
2007
2027
Clock starts
Jan 4, 2007
Jan 4, 2007
Term ends
Aug 18, 2027
Aug 18, 2027
Granted
May 4, 2010
May 4, 2010
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
226
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.
2
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 runs 226 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 Jan 4, 2007, when this application, 11/620,034, was filed | Jan 4, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +226 days, USPTO patent term adjustment record | Aug 18, 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 | Aug 18, 2027 | High confidence |
This family
| US 7,709,227 | this patent Aug 2027 | Aug 2027 |
| Application 12/712,615 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Jan 23, 2007 Reel 18802, frame 961 | Dagher, Suzanne | Phase Bioscience, Inc. | Assignment of Assignor's Interest |
| Mar 26, 2010 Reel 24143, frame 49 | Phase Bioscience, Inc. | Phasebio Pharmaceuticals, Inc. | Change of Name |
| Apr 21, 2020 Reel 52456, frame 343 | Phasebio Pharmaceuticals, Inc. | Silicon Valley Bank, As Agent | Security Interest |
| Nov 12, 2020 Reel 54401, frame 188 | Phasebio Pharmaceuticals, Inc. | SFJ Pharmaceuticals X, Ltd. | Patent and Trademark Security Agreement |
| Oct 10, 2022 Reel 61367, frame 674 | Phasebio Pharmaceuticals, Inc. | JMB Capital Partners Lending, LLC | Security Interest |
| Oct 31, 2022 Reel 61601, frame 1 | Phasebio Pharmaceuticals, Inc. | JMB Capital Partners Lending, LLC | Security Interest |
| Jan 13, 2023 Reel 62376, frame 850 | JMB Capital Partners Lending, LLC | Phasebio Pharmaceuticals, Inc. | Release of Security 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Aug 2027
Term ends Aug 18, 2027. No further fees fall due before then
Note
The 226 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
12
later US patents cite this one
That is above the median of utility patents granted in 2010 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.