Term ends Sep 26, 2031 · High confidence
20-year base term ends Apr 25, 2031
Held by Biomason Inc.
Filed Mar 15, 2013 as application 13/834,273 · Granted Feb 10, 2015
Base term plus 154 days of patent term adjustment (USPTO delay)
Today
2011
2031
Clock starts
Apr 25, 2011
Apr 25, 2011
Term ends
Sep 26, 2031
Sep 26, 2031
Granted
Feb 10, 2015
Feb 10, 2015
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
154
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.
21
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 154 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 Apr 25, 2011, when application 13/093,335, the earliest non-provisional in its chain, was filed (this one was filed Mar 15, 2013) | Apr 25, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +154 days, USPTO patent term adjustment record | Sep 26, 2031 | 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 | Sep 26, 2031 | High confidence |
This family
| US 8,728,365 | In force Dec 2032 | Dec 2032 |
| Application PCT/US2011/033920 | PCT application no patent term | no patent term |
| US 8,951,786 | this patent Sep 2031 | Sep 2031 |
| US 9,199,880 | In force Apr 2031 | Apr 2031 |
| US 9,428,418 | In force Apr 2031 | Apr 2031 |
| Application 15/066,692 | Abandoned not computed | not computed |
| US 9,796,626 | In force Apr 2031 | Apr 2031 |
| Application PCT/US2017/021833 | PCT application no patent term | no patent term |
8 of 21 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 |
|---|---|---|---|
| Mar 20, 2013 Reel 30053, frame 206 | Dosier, Ginger K | Biomason, Inc. | Assignment of Assignor's Interest |
| May 15, 2013 Reel 30438, frame 873 | Dosier, Ginger K | Biomason, Inc. | Corrective Assignment to Correct the 13/834,882 Previously Recorded on Reel 030053 Frame 0206. Assignor(S) Hereby Confirms the Assignment of Assignors Interest. |
| Aug 18, 2021 Reel 57215, frame 137 | Dosier, Ginger K. | Biomason Inc. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Sep 2031
Term ends Sep 26, 2031. No further fees fall due before then
Note
The 154 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
15
later US patents cite this one
That is above the median of utility patents granted in 2015 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.