Term ends Mar 29, 2031 · High confidence
20-year base term ends Nov 6, 2029
Held by Penumbra Brands, LLC
Filed Nov 2, 2011 as application 13/287,680 · Granted Feb 17, 2015
Base term plus 508 days of patent term adjustment (USPTO delay)
Today
2009
2031
Clock starts
Nov 6, 2009
Nov 6, 2009
Term ends
Mar 29, 2031
Mar 29, 2031
Granted
Feb 17, 2015
Feb 17, 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
508
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.
16
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 508 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 Nov 6, 2009, when application 12/614,132, the earliest non-provisional in its chain, was filed (this one was filed Nov 2, 2011) | Nov 6, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +508 days, USPTO patent term adjustment record | Mar 29, 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 | Mar 29, 2031 | High confidence |
This family
| US 8,208,980 | In force Jul 2030 | Jul 2030 |
| US 8,214,003 | In force May 2030 | May 2030 |
| US 8,957,813 | this patent Mar 2031 | Mar 2031 |
| US 8,897,843 | In force Nov 2029 | Nov 2029 |
| US 8,442,602 | In force Nov 2029 | Nov 2029 |
| US 9,172,134 | In force Feb 2031 | Feb 2031 |
| Application PCT/US2012/062995 | PCT application no patent term | no patent term |
| US 8,750,948 | In force Nov 2029 | Nov 2029 |
8 of 16 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 |
|---|---|---|---|
| Nov 2, 2011 Reel 27164, frame 121 | McCaughey, Ryan G; Shields, Karl Richard; Nilakantan, Nikhil | Pong Research Corporation | Assignment of Assignor's Interest |
| Feb 18, 2015 Reel 35039, frame 204 | Pong Research Corporation | ANTENNA79, Inc. | Change of Name |
| Aug 19, 2016 Reel 39753, frame 59 | ANTENNA79, Inc. | Hercules Capital, Inc. | Security Interest |
| May 3, 2017 Reel 42394, frame 27 | ANTENNA79, Inc. | Hercules Capital, Inc. | Security Interest |
| Mar 5, 2018 Reel 45491, frame 258 | ANTENNA79, Inc. | Penumbra Brands, Inc. | Change of Name |
| Jul 31, 2018 Reel 46511, frame 498 | Penumbra Brands, LLC | Compass Bank, As Administrative Agent | Security Interest |
| Aug 13, 2018 Reel 46773, frame 815 | Penumbra Brands, Inc. | Penumbra Brands, LLC | Change of Name |
| Aug 14, 2018 Reel 46794, frame 965 | Hercules Capital, Inc. | Penumbra Brands, LLC | 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
Mar 2031
Term ends Mar 29, 2031. No further fees fall due before then
Note
The 508 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
56
later US patents cite this one
That is top 10% 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.